Skip to contentSkip to navigationSkip to topbar
Rate this page:
On this page

Error and Warning Dictionary


Below is a full list of all possible Twilio REST API error codes. Read our guidance on debugging your Twilio application for general help. You can also download all of the error codes as JSON.


00000-09999

00000-09999 page anchor
CodeDescription
ERROR

Bad Request
ERROR

Forbidden
ERROR

Not Found
ERROR

Unknown Error Code
ERROR

Internal Error

Back to top


CodeDescription
ERROR

Account is not active
ERROR
PHONE NUMBERS

Trial accounts do not support the feature you tried to use
ERROR

Incoming call rejected due to inactive account
ERROR

Call concurrency limit exceeded
ERROR
PROGRAMMABLE VOICE

Voice calling has been disabled for this account
ERROR

Invalid URL format
ERROR

HTTP retrieval failure
ERROR

TCP connection timed out
ERROR

TCP connection refused
ERROR

HTTP communication total time out triggered
ERROR

HTTP connection failure
ERROR

HTTP protocol violation
ERROR

HTTP bad host name
ERROR

HTTP too many redirects
ERROR

HTTP invalid redirect
ERROR

HTTP error response code
ERROR

SSL/TLS Handshake Error
ERROR

Certificate Invalid - Domain Mismatch
ERROR

Certificate Invalid - Certificate Expired
ERROR

Certificate Invalid - Could not find path to certificate
ERROR

HTTP connection edge location is invalid
ERROR

HTTP connection edge location is not supported
ERROR

HTTP connection over Twilio Interconnect is not allowed
ERROR

HTTP retry policy is invalid
ERROR

Fatal protocol violation
ERROR

Invalid template URL
ERROR

Invalid template token
ERROR

Invalid template unclosed brackets
ERROR
PROGRAMMABLE VOICE

TwiML response body too large
ERROR
PROGRAMMABLE SMS

Media Message - Media exceeds messaging provider size limit
ERROR

Empty response body
ERROR

Document parse failure
ERROR

Invalid Twilio Markup XML version
ERROR

The root element must be Response
WARNING

Schema validation warning
ERROR

Invalid Content-Type
ERROR

Invalid Upload Content-Type
ERROR

Internal Failure
WARNING

Conference Noun cannot be mixed with Number nouns
ERROR

Annotate: Annotate must contain one valid nested element
ERROR

Annotate: Annotate must contain only one of element X
WARNING

Annotate: Invalid nested element
ERROR

Annotate->BillingReferenceTag cannot be over 128 characters
ERROR

Dial: Cannot Dial out from a Dial Call Segment
WARNING

Dial: Invalid method value
WARNING

Dial: Invalid ifMachine value
WARNING

Dial: Invalid timeout value
WARNING

Dial: Invalid hangupOnStar value
WARNING
PROGRAMMABLE VOICE

Dial: Invalid callerId value
WARNING

Dial: Invalid nested element
WARNING
PROGRAMMABLE VOICE

Invalid timeLimit value
WARNING

Dial: Invalid record value
WARNING
PROGRAMMABLE VOICE

Dial: Invalid sequential value
WARNING
PROGRAMMABLE VOICE

Dial: Invalid answerOnBridge value
WARNING
PROGRAMMABLE VOICE

Dial: Invalid ringTone value
WARNING

Dial->Number: Invalid method value
WARNING

Dial->Number: Invalid sendDigits value
WARNING
PROGRAMMABLE VOICE

Dial: Invalid phone number format
ERROR

Dial: Twilio does not support calling this number or the number is invalid
ERROR
PROGRAMMABLE VOICE

Dial: Call blocked by Twilio
WARNING

Dial: Invalid country code
ERROR
PROGRAMMABLE VOICE

Geo Permission configuration is not permitting call
WARNING

Dial->Conference: Invalid muted value
ERROR

Dial->Conference: Invalid endConferenceOnExit value
WARNING

Dial->Conference: Invalid startConferenceOnEnter value
WARNING

Dial->Conference: Invalid waitUrl
WARNING

Dial->Conference: Invalid waitMethod
WARNING

Dial->Conference: Invalid beep value
WARNING

Dial->Conference: Invalid Conference Sid
WARNING

Dial->Conference: Invalid Conference Name
ERROR
PROGRAMMABLE VOICE

Dial->Conference: Invalid Verb used in waitUrl, holdUrl, or announceUrl TwiML
ERROR
PROGRAMMABLE VOICE

Dial->Conference: Invalid Trim Value
ERROR
PROGRAMMABLE VOICE

Dial->Conference: Invalid Whisper SID
WARNING

Dial->SIP: Invalid method value
WARNING

Dial->SIP: Invalid sendDigits value
WARNING

Dial->SIP: Invalid SIP URI
WARNING

Dial: No SIP Authorization
WARNING

Dial: Not allowed in this API version
WARNING

Dial: SIP dialing not enabled for this account
ERROR
PROGRAMMABLE VOICE

Dial: Invalid From number (caller ID)
WARNING

Dial: Invalid callerID, too long
WARNING

Dial: Invalid username or password attribute
WARNING

Dial: Too many URIs passed
WARNING

Dial: Too many headers passed
WARNING

Dial: Invalid header name
WARNING

Dial: Header is too long
WARNING

Dial->Sip: SIP URI DNS does not resolve or resolves to an non-public IP address
WARNING

Dialing .sip.twilio.com addresses is not currently allowed
WARNING
PROGRAMMABLE VOICE

Invalid recordingStatusCallback URL
ERROR
PROGRAMMABLE VOICE

Invalid transcribeCallback URL
ERROR
PROGRAMMABLE VOICE

Dial->Sim not supported in this realm
ERROR

2010 Conference API feature requested using 2008 API
WARNING

Gather: Invalid finishOnKey value
WARNING

Gather: Invalid finishOnKey value
WARNING

Gather: Invalid method value
WARNING

Gather: Invalid timeout value
WARNING

Gather: Invalid numDigits value
WARNING

Gather: Invalid nested verb
WARNING
PROGRAMMABLE VOICE

Gather -> Say: Invalid voice value
WARNING

Gather->Say: Invalid loop value
ERROR

Gather->Play: Invalid Content-Type
WARNING
PROGRAMMABLE VOICE

Gather: Invalid input value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid speechTimeout value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid maxSpeechTime value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid partialResultCallbackMethod value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid hints value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid language value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid bargeIn value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid profanityFilter value
WARNING
PROGRAMMABLE VOICE

Gather: Invalid model value
WARNING
PROGRAMMABLE VOICE

Gather: speechTimeout auto cannot be used with model default
ERROR
PROGRAMMABLE VOICE

Gather: callback must be over HTTPS when using gather with PCI compliance
ERROR
PROGRAMMABLE VOICE

Gather: Invalid actionOnEmptyResult value
ERROR
PROGRAMMABLE VOICE

Gather: Degraded Speech
WARNING

Play: Invalid loop value
ERROR

Play: Invalid Content-Type
WARNING
PROGRAMMABLE VOICE

Play: Invalid DTMF String
WARNING

Say: Invalid loop value
WARNING
PROGRAMMABLE VOICE

Say: Invalid voice value
WARNING
PROGRAMMABLE VOICE

Gather element has an invalid "language" attribute value
WARNING
PROGRAMMABLE VOICE

Say: Invalid rate value
WARNING

Say: Invalid text
WARNING
PROGRAMMABLE VOICE

`<Say>` element character limits exceeded
WARNING

Record: Invalid method value
WARNING

Record: Invalid timeout value
WARNING

Record: Invalid maxLength value
WARNING

Record: Invalid finishOnKey value
WARNING

Record: Invalid transcribe value
WARNING

Record: maxLength too high for transcription
WARNING

Record: playBeep must be true or false
WARNING

Record: Recording length is out of range for transcription
WARNING

Record: Recording not available for transcription
WARNING
PROGRAMMABLE VOICE

Record: Transcription feature not available for this type of recording.
WARNING
PROGRAMMABLE VOICE

Record: Transcription not available for this recording
ERROR
PROGRAMMABLE VOICE

Invalid 'recordingStatusCallbackEvent'
WARNING
PROGRAMMABLE VOICE

Record: invalid recordingTrack value
WARNING
PROGRAMMABLE VOICE

Record: Invalid trim value
WARNING

Redirect: Invalid method value
ERROR
PROGRAMMABLE VOICE

Twiml verb not supported by this API version.
ERROR
PROGRAMMABLE VOICE

Refer not allowed on non-SIP call legs
ERROR
PROGRAMMABLE VOICE

Dial: No referUrl attribute specified
ERROR
PROGRAMMABLE VOICE

SMS verb not supported in this realm
ERROR
PROGRAMMABLE VOICE

AddOns are not supported in this realm
WARNING
PROGRAMMABLE VOICE

Trial account call duration exceeded 10 minute limit
WARNING
PROGRAMMABLE VOICE

Reject: Invalid cause
WARNING

Pause: Invalid length value
WARNING

Invalid "To" attribute
WARNING

Invalid "From" attribute
WARNING

Invalid Body
WARNING

Invalid Method attribute
WARNING

Invalid statusCallback attribute
WARNING

Document retrieval limit reached
ERROR
PROGRAMMABLE SMS

SMS send rate limit exceeded
WARNING

From phone number not SMS capable
WARNING
PROGRAMMABLE SMS

TwiML Reply message limit exceeded
WARNING

Invalid Verb for SMS Reply
WARNING

Invalid To phone number for Trial mode
ERROR

Enqueue: Invalid method value
ERROR

Enqueue: Invalid waitUrl
ERROR

Enqueue: Invalid Enqueue action url
ERROR

Enqueue: Queue name too short
ERROR

Enqueue: Queue name too long
ERROR

Enqueue: Invalid waitUrlMethod value
WARNING
PROGRAMMABLE VOICE

Enqueue: The targeted queue reached max queue size
ERROR

Dial->Queue: Invalid whisper method
ERROR

Dial->Queue: Invalid whisper url
ERROR

Dial->Queue: queue name too short
ERROR

Dial->Queue: queue name too long
ERROR

Dial->Queue: Invalid ReservationSid. Unable to dequeue
ERROR
TASKROUTER

Dial->Queue: Could not find or accept provided reservationSid
ERROR
PROGRAMMABLE VOICE

Dial->Queue: Could not update worker to provided activity
ERROR
PROGRAMMABLE VOICE

TaskRouter Dial Queue not supported in this realm
ERROR

Enqueue: Provided Workflow was not a valid sid
ERROR

Enqueue: Provided Attributes JSON was not valid
ERROR
TASKROUTER

Enqueue: Could not create Task
ERROR

Enqueue: Unable to cleanup task
ERROR
PROGRAMMABLE VOICE

TaskRouter Enqueue not supported in this realm
ERROR
TASKROUTER

Dial->Conference: Invalid WorkflowSid
ERROR
TASKROUTER

Dial->Conference: Provided Attributes was not valid JSON
ERROR
TASKROUTER

Dial->Conference: Invalid Priority
ERROR
TASKROUTER

Dial->Conference: Invalid Timeout
ERROR
TASKROUTER

Dial->Conference: Unable to create task
ERROR
TASKROUTER

Dial->Conference: Unable to cleanup task
ERROR
TASKROUTER

Dial->Conference: Invalid ReservationSid
ERROR
TASKROUTER

Dial->Conference: Invalid PostWorkActivitySid
ERROR
TASKROUTER

Dial->Conference: Unable to accept Reservation
ERROR
TASKROUTER

Dial->Conference: Unable to update Worker
ERROR
TASKROUTER

Max concurrent Workers exceeded
WARNING
TASKROUTER

start_date passed to TaskRouter statistics is older than 30 days.
ERROR
PROGRAMMABLE VOICE

Start: Invalid nested noun value
ERROR

Call Progress: Internal Twilio Error
ERROR

Call Progress: Queue Timeout
WARNING

Call Progress: Warning Response to Callback URL
ERROR
PROGRAMMABLE VOICE

Action Callback URL must be an absolute URL when using TwiML to update in-progress calls
ERROR
PROGRAMMABLE VOICE

Internal Server Error
ERROR
PROGRAMMABLE VOICE

Whisper Not Available on Twilio Conference
ERROR
PROGRAMMABLE VOICE

Conference is not bridged
ERROR
PROGRAMMABLE VOICE

Failed to validate conference attributes
ERROR
PROGRAMMABLE VOICE

Could not recognize conference sid or friendly name
ERROR
PROGRAMMABLE VOICE

Conference Event: Internal Twilio Error
ERROR
PROGRAMMABLE VOICE

Conference Event: Error Response to Callback URL
ERROR
PROGRAMMABLE VOICE

Conference is full
ERROR
PROGRAMMABLE VOICE

Failed to join conference due to account concurrency limit exceeded
ERROR
PROGRAMMABLE VOICE

Conference does not exist or is completed
ERROR
PROGRAMMABLE VOICE

Dial->Conference: Invalid participant label, must not exceed 128 characters, must not be a CallSid, must not contain '/'
ERROR
PROGRAMMABLE VOICE

Invalid participant label, must not exceed 128 characters, must not be a CallSid, must not contain '/'
ERROR
PROGRAMMABLE VOICE

Dial->Conference: Participant label is in use by another participant
ERROR
PROGRAMMABLE VOICE

Participant label is in use by another participant
ERROR
PROGRAMMABLE VOICE

Participant to be whispered is on hold
ERROR
PROGRAMMABLE VOICE

Participant to be whispered is not present in the conference
ERROR
PROGRAMMABLE VOICE

Unexpected conference status
WARNING
PROGRAMMABLE VOICE

Voice Recording : Unavailable because duration is too short
WARNING
PROGRAMMABLE VOICE

Voice Recording: Unavailable because recording is silent
ERROR
PROGRAMMABLE VOICE

Voice Recording: Unavailable due to encryption failure
ERROR
PROGRAMMABLE VOICE

Voice Recording: Unavailable due to no valid public keys
ERROR
PROGRAMMABLE VOICE

Voice Recording: Unavailable due to internal encryption error
ERROR
PROGRAMMABLE VOICE

Voice Recording: Encrypted with alternate public key
ERROR
PROGRAMMABLE VOICE

Voice Recording: Request failed due to concurrent recordings
ERROR
PROGRAMMABLE VOICE

Voice Recording: Cannot fetch .mp3 encrypted recording
ERROR
PROGRAMMABLE VOICE

Internal failure when bulk deleting recordings from your account
ERROR
PROGRAMMABLE VOICE

Voice Recording: Upload file to external AWS S3 bucket failed (Invalid Configuration)
ERROR
PROGRAMMABLE VOICE

Voice Recording: Upload file to external AWS S3 bucket failed (Access Denied)
WARNING
PROGRAMMABLE VOICE

Voice Recording: Cannot download a dual-channel presentation of a mono recording
ERROR
PROGRAMMABLE VOICE

Forbidden to access data
ERROR
PROGRAMMABLE VOICE

Completed summary for this call wasn't found
ERROR
PROGRAMMABLE VOICE

This call ended more than 30 days ago
ERROR
PROGRAMMABLE VOICE

Voice Insights Advanced Features not enabled
ERROR
PROGRAMMABLE VOICE

Internal Server Error - Query Timeout
ERROR
PROGRAMMABLE VOICE

Internal Server Error
ERROR
PROGRAMMABLE VOICE

Invalid query parameter
ERROR
PHONE NUMBERS

Invalid document submission
ERROR
PHONE NUMBERS

Illegible or blurry document submission
ERROR
PHONE NUMBERS

Expired or invalid document submission
ERROR
PHONE NUMBERS

Redactions in document.
ERROR
PHONE NUMBERS

Missing information
ERROR
PHONE NUMBERS

Information does not match the supporting document
ERROR
PHONE NUMBERS

Incomplete document submission.
ERROR
PHONE NUMBERS

Name mismatch.
ERROR
PHONE NUMBERS

Nationality mismatch.
ERROR
PHONE NUMBERS

Business registration number mismatch.
ERROR
PHONE NUMBERS

Business name mismatch
ERROR
PHONE NUMBERS

Require domestic address.
ERROR
PHONE NUMBERS

Require domestic emergency address.
ERROR
PHONE NUMBERS

Invalid or incomplete address provided.
ERROR
PHONE NUMBERS

Invalid or incomplete emergency address provided.
ERROR
PHONE NUMBERS

Address mismatch.
ERROR
PHONE NUMBERS

Address not found
ERROR
PHONE NUMBERS

PO Box not allowed.
ERROR
PHONE NUMBERS

Proof of Identity Required for Authorized Representative.
ERROR
PHONE NUMBERS

Proof of authorized representative’s association with the business required.
ERROR
PHONE NUMBERS

Proof of identity does not show address
ERROR
PHONE NUMBERS

Please provide latest document for address proof document.
ERROR
PHONE NUMBERS

One or more of the required information is missing.
ERROR
PHONE NUMBERS

Missing information in the form
ERROR
PHONE NUMBERS

Information does not match the supporting document
ERROR
PHONE NUMBERS

The phone number type you selected requires a valid domestic address.
ERROR
PHONE NUMBERS

The association between business name and website cannot be verified
ERROR
PHONE NUMBERS

The Business ID you provided could not be verified
ERROR
PHONE NUMBERS

The address could not be verified
ERROR
PHONE NUMBERS

Unable to verify Authorized representative #1
ERROR
PHONE NUMBERS

Unable to verify Authorized representative #2.
ERROR
PHONE NUMBERS

The Email domain doesn't match the website domain
ERROR
PHONE NUMBERS

Customer Profile or Trust Product is not eligible to be copied
ERROR
PHONE NUMBERS

Customer Profile or Trust Product is already copied
ERROR
PHONE NUMBERS

Ineligible Business Registration Authority
ERROR

Contact with the unique_customer_provided_id provided already exists
ERROR

Invalid or missing Contact input
ERROR

Contact validation error
ERROR

Invalid contact search request
ERROR

When updating a contact, invalid JSON syntax or invalid field that cannot be updated by this endpoint
ERROR

When updating a contact at least one field should be updated
ERROR

At least one of the following fields is required for a contact: first_name, middle_name, last_name, legal_name, preferred_name, unique_customer_provided_id or channel
ERROR

Can fetch contact either by unique_customer_provided_id or channel
ERROR

Contact with the provided channel value already exists
ERROR

Only one channel can be set as primary
ERROR

Invalid channel
ERROR

Invalid channel type
ERROR

Invalid channel input
ERROR

Channel validation error
ERROR

Maximum number of channels allowed reached
ERROR

Invalid Channel Description
ERROR

Channel value can not be updated
ERROR

When updating a channel at least one field should be updated
ERROR

Invalid location type
ERROR

Maximum number of locations allowed reached
ERROR

Invalid location input
ERROR

Location validation error
ERROR

Invalid country code
ERROR

Invalid page size, it must be between 1 and 25 if specified
ERROR

Invalid page token
ERROR

When updating a location at least one field should be updated
ERROR
PROGRAMMABLE CHAT

Page token must be bigger than or equal to 0
ERROR

Custom Field provided is not defined
ERROR

Invalid or missing Custom Field input
ERROR

Custom Field validation error
ERROR
CONTACTS

Field definition name already exists
ERROR
CONTACTS

Field definition name exceeded maximum length
ERROR
CONTACTS

Field definition type is invalid; data types that are supported are text, date, and number
ERROR
CONTACTS

Number of custom field definitions exceeded limit
ERROR
CONTACTS

Field definition name cannot be empty
ERROR
CONTACTS

Input request body is not properly json formatted
ERROR
CONTACTS

Custom field definition provided is not defined
ERROR

Internal Server Error
ERROR
CONTACTS

Invalid page size for custom field definition
ERROR
CONTACTS

Field definition name cannot be a duplicate of an existing Twilio-defined field
ERROR
CONTACTS

Expected Unique form key in input request is missing
ERROR
CONTACTS

When updating a channel, invalid JSON syntax or invalid field that cannot be updated by this endpoint
ERROR
CONTACTS

Input request content type is invalid
ERROR
CONTACTS

Server unavailable or busy

Back to top


CodeDescription
WARNING

Unknown parameters
ERROR

Invalid FriendlyName
ERROR

Permission Denied
ERROR

Method not allowed
ERROR

Account not active
ERROR

Access Denied
ERROR

Page size too large
ERROR

Test Credentials
ERROR

Cannot delete this resource before it is complete
ERROR

Action disabled for account
ERROR

Invalid TLS version
ERROR

Invalid TLSv1.2 Cipher Suite
ERROR

No update/state change is observed for the data entered
ERROR

Phone number rejected by T-Mobile SDG Service Provisioning API
ERROR

Phone number is not correct: it cannot be null or have non-decimal symbols
ERROR
PLATFORM

Invalid Access Token
ERROR
PLATFORM

Invalid Access Token header
ERROR
PLATFORM

Invalid Access Token issuer/subject
WARNING
PLATFORM

Access Token expired or expiration date invalid
ERROR
PLATFORM

Access Token not yet valid
ERROR
PLATFORM

Invalid Access Token grants
ERROR
PLATFORM

Invalid Access Token signature
ERROR
PLATFORM

Authentication Failed
ERROR
PLATFORM

Invalid Header
ERROR
PLATFORM

Invalid Issuer Or Subject
ERROR
PLATFORM

Invalid Claim Set
ERROR
PLATFORM

Expiration Time In The Future
ERROR
PLATFORM

Expired or Invalid Expiration in Token
ERROR
PLATFORM

Expiration Time Exceeds Maximum Time Allowed
ERROR
PLATFORM

Invalid Signature
ERROR
PLATFORM

Invalid Token
ERROR
PROGRAMMABLE CHAT

Programmable Chat: Parameters are not specified for update request
ERROR
PLATFORM

A conflicting resource update is in progress
ERROR
PLATFORM

403 Forbidden
ERROR
PLATFORM

Not Found
ERROR
PLATFORM

Conflict
ERROR
PROGRAMMABLE MESSAGING

Gone
ERROR

Request Entity Too Large
ERROR

Invalid Parameter
ERROR

Invalid SID
ERROR

Upgrade Required
ERROR

Too Many Requests
ERROR

Internal Server Error
ERROR

Service unavailable
ERROR

Accounts Resource
ERROR

Subaccounts cannot contain subaccounts
ERROR
PLATFORM

Reached maximum number of Services
ERROR

Calls Resource
ERROR

No Called number specified
ERROR

Called number is a premium number
ERROR

International calling not enabled
ERROR

Call already initiated
ERROR

Invalid URL
ERROR

Invalid SendDigits
ERROR

Invalid IfMachine
ERROR

Invalid Timeout
ERROR

Invalid Method
ERROR

'From' phone number not verified
ERROR

Invalid 'To' Phone Number
ERROR

Invalid 'From' Number
ERROR

Caller phone number is required
ERROR

'To' phone number cannot be reached
ERROR
PROGRAMMABLE VOICE

Geo Permission configuration is not permitting call
ERROR
PROGRAMMABLE VOICE

API: Call blocked by Twilio
ERROR

Phone number does not appear to be valid
ERROR

Invalid ApplicationSid
ERROR

'To' phone number not verified
ERROR

Invalid call state
WARNING

Invalid SipAuthUsername. Must be fewer than 256 chars
WARNING

Invalid SipAuthUsername. Illegal chars
WARNING

Invalid SipAuthPassword. Must be fewer than 256 chars
WARNING

Invalid SipAuthPassword. Illegal chars
WARNING

SipAuthPassword is required when providing SipAuthUsername
WARNING

SIP calling not enabled for this account
WARNING

Headers portion of SIP URI must be fewer than 1024 chars
WARNING

Invalid SIP Header. Illegal chars in header name
WARNING

Invalid SIP Header. Illegal chars in header value
ERROR

Maximum Domains Reached
ERROR

Domain Validation Error
ERROR

Invalid Domain
ERROR

Domain still has subdomains
ERROR
PROGRAMMABLE VOICE

Invalid Machine Detection configuration value
ERROR

IP Access Control List Validation Error
ERROR

IP Access Control List Dependencies Violation
ERROR

Maximum IP Addresses Reached for List
ERROR

Address Validation Error
ERROR

Maximum Credential Lists Reached
ERROR

Credential List Validation Error
ERROR

Credential List Dependencies Violation
ERROR

Maximum Credentials Reached for List
ERROR

Credential Validation Error
ERROR
ELASTIC SIP TRUNKING

Maximum Number of Trunks reached
ERROR
ELASTIC SIP TRUNKING

Trunk Validation Error
ERROR
ELASTIC SIP TRUNKING

Trunk Dependencies
ERROR
ELASTIC SIP TRUNKING

Trunk Domain already taken
ERROR
ELASTIC SIP TRUNKING

Maximum Origination URIs reached
ERROR
ELASTIC SIP TRUNKING

Trunking CPS change not allowed
ERROR
ELASTIC SIP TRUNKING

Invalid Region
ERROR
ELASTIC SIP TRUNKING

Max Connection Policies Reached
ERROR
ELASTIC SIP TRUNKING

Max Connection Policy Entries Reached
ERROR

Maximum IP Access Control Lists reached
ERROR
ELASTIC SIP TRUNKING

Invalid ruleset
ERROR
ELASTIC SIP TRUNKING

Invalid SIP Manipulation Policy SID
ERROR
ELASTIC SIP TRUNKING

Invalid SIP Manipulation Policy
ERROR
ELASTIC SIP TRUNKING

Maximum number of SIP Manipulation Polies per account reached
ERROR
ELASTIC SIP TRUNKING

Maximum number of actions per rule reached
ERROR
ELASTIC SIP TRUNKING

Maximum number of conditions per rule reached
WARNING
PROGRAMMABLE VOICE

No AMD status callback URL provided
WARNING
PROGRAMMABLE VOICE

Invalid Answering Machine Detection Parameters
ERROR

‘From’ phone number not verified
ERROR
PROGRAMMABLE MESSAGING

'To' number cannot be a Short Code
ERROR
PROGRAMMABLE MESSAGING

'To' and 'From' numbers cannot be the same
ERROR
PROGRAMMABLE MESSAGING

Alphanumeric Sender ID cannot be used as the 'From' number on trial accounts
ERROR
PROGRAMMABLE MESSAGING

Sending to Premium rate or Information Service numbers is not allowed
ERROR
PROGRAMMABLE VOICE

Invalid BYOC trunk SID
ERROR
PROGRAMMABLE VOICE

Cannot create application: application limit exceeded
WARNING
PROGRAMMABLE VOICE

Approaching application creation limit
ERROR

Invalid Phone Number
ERROR

Invalid Url
ERROR

Invalid Method
ERROR

Inbound Phone number not available to trial account
ERROR

Cannot set VoiceFallbackUrl without setting Url
ERROR

Cannot set SmsFallbackUrl without setting SmsUrl
ERROR

This Phone Number type does not support SMS
ERROR
PROGRAMMABLE SMS

Permission to send an SMS or MMS has not been enabled for the region indicated by the 'To' number
ERROR

VoiceCallerIdLookup cannot be set for this phone number
ERROR

ApplicationSid is not accessible
ERROR

Phone Number is invalid
ERROR

PhoneNumber is not available
ERROR
PHONE NUMBERS

Number already can be used for outgoing calls and messages
ERROR

Phone number already validated on your account
ERROR

Invalid area code
ERROR

No phone numbers found in area code
ERROR

Phone number already validated on another account
ERROR

Invalid CallDelay
ERROR

Invalid PlayUrl
ERROR

Invalid CallbackUrl
ERROR

AreaCode Parameter not Supported
ERROR

PhoneNumber Provisioning Type Mismatch
ERROR

Invalid AccountSid
ERROR

Account does not exist
ERROR

Account is not active
ERROR

AccountSid you are transferring to is not related to the originating owner of the phone number
ERROR

API User must be the parent account to transfer phone numbers.
ERROR

Unable to update Status, invalid Status.
ERROR

Unable to update Status for subaccount, parent account is suspended.
ERROR

Unable to update Status for parent accounts
ERROR

Unable to update Status for subaccount, subaccount has been suspended by Twilio
ERROR

Unable to update Status for subaccount, subaccount has been closed.
ERROR

Reached maximum number of subaccounts
ERROR
PLATFORM

Invalid PageToken
ERROR

Resource not available
ERROR

Invalid callback url
ERROR

Invalid transcription type
ERROR

RecordingSid is required.
ERROR

Phone number is not a valid SMS-capable inbound phone number
ERROR

Message body is required
ERROR
PROGRAMMABLE SMS

A 'From' or 'MessagingServiceSid' parameter is required to send a message
ERROR

The destination 'To' phone number is required to send an SMS
ERROR
PROGRAMMABLE SMS

Maximum body length is 160 characters (old API endpoint)
ERROR
PROGRAMMABLE SMS

The 'From' phone number provided is not a valid message-capable Twilio phone number for this destination/account
ERROR

The 'from' phone number must be the sandbox phone number for trial accounts.
ERROR

The 'to' phone number provided is not yet verified for this account.
ERROR

Invalid 'StatusCallback'
ERROR
PROGRAMMABLE SMS

Attempt to send to unsubscribed recipient
ERROR
PROGRAMMABLE SMS

This 'From' number has exceeded the maximum number of queued messages
ERROR
PROGRAMMABLE SMS

Message cannot be sent with the current combination of "To" and/or "From" parameters
ERROR

PhoneNumber Requires Certification
ERROR
PROGRAMMABLE SMS

'To' number is not a valid mobile number
ERROR
PHONE NUMBERS

Phone Number Requires a Local Address
ERROR

The 'From' number matches multiple numbers for your account
ERROR

The concatenated message body exceeds the 1600 character limit
ERROR

The message body cannot be sent
ERROR
PROGRAMMABLE SMS

A Message Body, Media URL or Content SID is required
ERROR

Invalid media URL(s)
ERROR

The 'From' number has not been enabled for MMS
ERROR

MMS has not been enabled for your account
ERROR

Number of media files exceeds allowed limit
ERROR
PROGRAMMABLE SMS

Invalid validity period value
ERROR

Invalid 'StatusCallbackEvent'
ERROR
PROGRAMMABLE SMS

Max Price must be a valid float
ERROR
PHONE NUMBERS

Address Validation Error
ERROR
PHONE NUMBERS

Address Validation Error - Check Suggested Address
ERROR
PHONE NUMBERS

Cannot mutate Address that is linked to a verified Document.
ERROR
PHONE NUMBERS

Phone Number Requires an Address
ERROR
ELASTIC SIP TRUNKING

SIP Trunk is in use for emergency calling
ERROR
PROGRAMMABLE MESSAGING

'To' number cannot be a landline
ERROR
PHONE NUMBERS

End-User cannot be deleted due to an active assignment to a Bundle
ERROR
PHONE NUMBERS

Supporting Document cannot be deleted due to active Regulatory Bundle assignment
ERROR
PHONE NUMBERS

Supporting Document is not eligible for deletion
ERROR
PHONE NUMBERS

Regulatory Bundle is not eligible for deletion
ERROR
PHONE NUMBERS

Regulatory Bundle cannot be deleted due to active number assignment
ERROR
PHONE NUMBERS

Phone Number Requires a Bundle
ERROR
PHONE NUMBERS

Phone Number Requires a Verified Identity Document
ERROR
PHONE NUMBERS

Document does not satisfy regulatory requirement
ERROR
PROGRAMMABLE SMS

Maximum subject length is 40 characters
ERROR

There are more recipient addresses than allowed
ERROR
PROGRAMMABLE SMS

ContentSid Required
ERROR
PROGRAMMABLE SMS

The ContentSid is Invalid
ERROR
PROGRAMMABLE SMS

The ContentVariables Parameter is invalid
ERROR
PROGRAMMABLE SMS

The Sender ID is invalid
ERROR
PROGRAMMABLE SMS

Parameter exceeded character limit
ERROR
PROGRAMMABLE MESSAGING

'From' is not a Twilio phone number or Short Code country mismatch
ERROR
PROGRAMMABLE MESSAGING

Mismatch between the 'From' number and the account
ERROR
PROGRAMMABLE MESSAGING

'From' number is not SMS-capable
ERROR

The Messaging Service does not exist
ERROR

The Messaging Service is not available to send new messages
ERROR
PROGRAMMABLE MESSAGING

The Messaging Service does not have a phone number available to send a message
ERROR
PROGRAMMABLE SMS

The Messaging Service contains no phone numbers
ERROR

The Messaging Service is invalid
WARNING
PROGRAMMABLE SMS

Alpha Sender ID Missing from the request
ERROR
PROGRAMMABLE SMS

Alpha Sender ID is Invalid or Not Authorized for this Messaging Service
WARNING
PROGRAMMABLE SMS

Phone Number Already Exists in Messaging Service
WARNING
PROGRAMMABLE SMS

Phone Number, Shortcode, or AlphaSender is not associated to the specified Messaging Service.
ERROR
PROGRAMMABLE SMS

Phone Number or Short Code is associated with another Messaging Service.
ERROR
PROGRAMMABLE SMS

Messaging Service Use Case is Invalid
ERROR
PROGRAMMABLE SMS

Messaging Service Number Pool size limit reached
ERROR
PROGRAMMABLE SMS

Phone Number Does Not Have Correct Messaging Service Capabilities
ERROR
PROGRAMMABLE SMS

Brand Registration SID for US A2P Campaign Use Case is Not Registered or Not Valid
ERROR
PROGRAMMABLE SMS

Incompatible Messaging Service/A2P Use Cases
ERROR
PROGRAMMABLE SMS

A2P Use Case is Invalid
ERROR
PROGRAMMABLE SMS

Cannot import Campaign Verify token due to incompatible A2P brand
ERROR
PROGRAMMABLE SMS

Invalid Campaign Verify token
ERROR
PROGRAMMABLE SMS

Campaign Verify token import already in progress
ERROR
PROGRAMMABLE SMS

Brand update count exceeded
ERROR
PROGRAMMABLE SMS

Brand can only be updated when in FAILED state
ERROR
PROGRAMMABLE SMS

Starter brand registrations and updates are temporarily disabled
ERROR
PROGRAMMABLE SMS

Campaign registration failed due to missing parameter(s)
ERROR
PROGRAMMABLE SMS

Campaign registration failed due to length validation failures
ERROR
PROGRAMMABLE SMS

Cannot perform operation on suspended campaign
ERROR
PROGRAMMABLE SMS

System under maintenance. Please try again later.
ERROR
PROGRAMMABLE MESSAGING

Cannot perform operation on suspended brand
ERROR
PROGRAMMABLE MESSAGING

Campaign limit reached on the Brand
WARNING
PROGRAMMABLE MESSAGING

Default Messaging Service Not Found
ERROR

DltPEId is invalid
ERROR

DltTemplateId is invalid
ERROR
PROGRAMMABLE SMS

InvoiceTag length must be between 0 and 32
ERROR
PROGRAMMABLE SMS

Invalid 'From' and 'To' pair. 'From' and 'To' should be of the same channel
ERROR
PROGRAMMABLE VOICE

Call timed out
ERROR
PROGRAMMABLE VOICE

Call Queue Full
ERROR
PHONE NUMBERS

Reached Maximum Verification Attempts
ERROR
PHONE NUMBERS

Invalid Hosted Number Order SIDs
ERROR
PHONE NUMBERS

Invalid Phone Number
ERROR
PHONE NUMBERS

Unsupported Iso Country
ERROR
PHONE NUMBERS

Invalid Email Format
ERROR
PHONE NUMBERS

Invalid URL format
ERROR
PHONE NUMBERS

Invalid Method
ERROR
PHONE NUMBERS

Unable to Update Authorization Document
ERROR
PHONE NUMBERS

Invalid Application SID
ERROR
PHONE NUMBERS

Invalid Address SID
ERROR
PHONE NUMBERS

Phone Number Not Hostable
ERROR
PHONE NUMBERS

Invalid Hosted Number Order Status
ERROR
PHONE NUMBERS

Unable to Update Hosted Number Order Status
ERROR
PHONE NUMBERS

Phone Verification Incorrect
ERROR
PHONE NUMBERS

Unable to Verify Code
ERROR
PHONE NUMBERS

Invalid Unique Name
ERROR
PHONE NUMBERS

Invalid Friendly Name
ERROR
PHONE NUMBERS

Invalid Extension
ERROR
PHONE NUMBERS

Invalid Verification Document SID
ERROR
PHONE NUMBERS

Invalid Capabilities
ERROR
PHONE NUMBERS

Invalid Verification Type
ERROR
PHONE NUMBERS

Unable to Transfer Hosted Number
ERROR
PHONE NUMBERS

Invalid Authorization Document Status
ERROR
PHONE NUMBERS

Unable to Initiate Verification Call
ERROR
PHONE NUMBERS

Not Portable - Unsupported
ERROR
PHONE NUMBERS

Not Portable - Already in your Twilio Account
ERROR
PHONE NUMBERS

Not Portable - Already in Twilio different owner
ERROR
PHONE NUMBERS

Not Portable API - Manual porting available
ERROR
PHONE NUMBERS

Error - Internal Server Error
ERROR
PHONE NUMBERS

Not Portable - Already in one of your Twilio Accounts
ERROR
PHONE NUMBERS

Port In Error - Contact support required
ERROR
PHONE NUMBERS

Port In Error - Number with carrier restrictions
ERROR
PHONE NUMBERS

Port In Error - Phone number is inactive or disconnected
ERROR
PHONE NUMBERS

Port In Error - Invalid end user name
ERROR
PHONE NUMBERS

Port In Error - Invalid Address
ERROR
PHONE NUMBERS

Port In Error - Invalid Pin
ERROR
PHONE NUMBERS

Port In Error - Invalid Account Number
ERROR
PHONE NUMBERS

Port In Error - Invalid Bundle
ERROR
PHONE NUMBERS

Port In Error - Missing required fields
ERROR
PHONE NUMBERS

Port In Error - Contains numbers for multiple countries
ERROR
PHONE NUMBERS

Port In Error - Invalid Address
ERROR
PHONE NUMBERS

Configuration Retrieval Error
ERROR
PHONE NUMBERS

Invalid End-User Type or Number Type
ERROR
PHONE NUMBERS

No regulation sid found for the given number group
ERROR
PHONE NUMBERS

No regulation sid or phone number country and type was provided
ERROR
PHONE NUMBERS

Unable to parse bundle status
ERROR
PHONE NUMBERS

Bundle status and properties cannot be updated in the same request
ERROR
PHONE NUMBERS

Attempting to assign invalid object_sid to Bundle
ERROR
PHONE NUMBERS

Attempting to add invalid object type to bundle
ERROR
PHONE NUMBERS

Unable to parse attributes JSON
ERROR
PHONE NUMBERS

Supporting Document status and attributes cannot be updated in the same request
ERROR
PHONE NUMBERS

Invalid status enum in Supporting Document update request
ERROR
PHONE NUMBERS

Cannot create a Supporting Document with no Type
ERROR
PHONE NUMBERS

Cannot create a Supporting Document with no FriendlyName
ERROR
PHONE NUMBERS

Invalid End-User Type in request
ERROR
PHONE NUMBERS

Invalid Number Type in request
ERROR
PHONE NUMBERS

Missing End User
ERROR
PHONE NUMBERS

Missing End-User field
ERROR
PHONE NUMBERS

Missing Supporting Document
ERROR
PHONE NUMBERS

Missing Supporting Document field
ERROR
PHONE NUMBERS

The Supporting Document field does not match the field in the End-User
ERROR
PHONE NUMBERS

An Address is missing
WARNING
PHONE NUMBERS

Emergency address is not registered
WARNING
PHONE NUMBERS

Emergency Status cannot be updated
ERROR

Regulatory Bundle is not eligible to be Copied
ERROR
PHONE NUMBERS

Regulatory Bundle cannot transfer Item Assignments
ERROR
PHONE NUMBERS

From Bundle to Replace Items does not exist
ERROR
PHONE NUMBERS

Cannot replace Items from Bundle to same Bundle
ERROR
PHONE NUMBERS

From Bundle does not have latest Regulation requirements that matches destination Bundle
ERROR
PHONE NUMBERS

Supporting Document Bundle Assignment cannot be removed
ERROR
PHONE NUMBERS

This account is restricted from provisioning new long code phone numbers
ERROR
PHONE NUMBERS

Phone Number linked to Active Route Configuration
ERROR
PHONE NUMBERS

Phone Number Instance fields are not supported within region
ERROR
PHONE NUMBERS

Phone Number Operation not permitted within Region
ERROR
PHONE NUMBERS

Phone Number Operation not permitted within Region
ERROR
PHONE NUMBERS

Starter profile creation and updates are temporarily disabled
ERROR
PHONE NUMBERS

Twilio phone number using deprecated API version
WARNING
PROGRAMMABLE SMS

Message Redaction Incompatible Configuration: Long code STOP filtering
WARNING
PROGRAMMABLE SMS

Message Redaction Incompatible Configuration: Short code "STOP" filtering
WARNING
PROGRAMMABLE SMS

Message Redaction Incompatible Configuration: Sticky Sender
WARNING
PROGRAMMABLE SMS

Message Redaction Incompatible Configuration: Advanced Opt-Out
WARNING
PROGRAMMABLE SMS

Phone Number Redaction Incompatible Configuration: Fallback to Long Code
WARNING
PROGRAMMABLE SMS

Message Redaction Incompatible Configuration: Inbound Webhook GET Requests
ERROR
ORGANIZATIONS API

The specified filter for listing organization users is invalid
ERROR
ORGANIZATIONS API

The provided user's first name is invalid
ERROR
ORGANIZATIONS API

The provided user's last name is invalid
ERROR
ORGANIZATIONS API

The provided user's external ID is invalid
ERROR
ORGANIZATIONS API

The provided user's username is invalid
ERROR
ORGANIZATIONS API

The SCIM schema syntax is invalid
ERROR
ORGANIZATIONS API

The organization has reached its limit for managed users
ERROR
ORGANIZATIONS API

The requested SCIM user was not found
ERROR
ORGANIZATIONS API

The user's is in an unupdatable status.
ERROR
ORGANIZATIONS API

The primary email address is missing for the user
ERROR
ORGANIZATIONS API

The value for the primary email address is invalid
ERROR
ORGANIZATIONS API

Updating the email address is unsupported
ERROR
ORGANIZATIONS API

Updating the username is unsupported
ERROR
ORGANIZATIONS API

The primary email address does not match the username
ERROR
ORGANIZATIONS API

The SCIM PATCH request is invalid
ERROR
ORGANIZATIONS API

Updating the organization owner is not allowed
ERROR
ORGANIZATIONS API

The email domain is unverified
ERROR
ORGANIZATIONS API

The request is not authorized
ERROR
ORGANIZATIONS API

Failed to complete request due to a business rule violations
ERROR
ORGANIZATIONS API

Version conflict in SCIM header
ERROR
ORGANIZATIONS API

Rate limit exceeded
ERROR
ORGANIZATIONS API

Duplicate username or externalId
ERROR
ORGANIZATIONS API

Invalid page token
ERROR
ORGANIZATIONS API

The organization was not found
ERROR
ORGANIZATIONS API

The organization's account was not found
ERROR
ORGANIZATIONS API

The organization's account limit has been reached
ERROR
ORGANIZATIONS API

The organization's account owner is not a managed user
ERROR
ORGANIZATIONS API

The organization's account owner was not set during creation
ERROR
ORGANIZATIONS API

The request is not authorized
ERROR
ORGANIZATIONS API

Failed to complete request due to a bad request
ERROR
ORGANIZATIONS API

The Request does not contain any authorization information
ERROR
ORGANIZATIONS API

Request is rate limited
ERROR
ORGANIZATIONS API

The scope for role assignments must be a managed account
ERROR
ORGANIZATIONS API

The identity for role assignments must be a managed user
ERROR
ORGANIZATIONS API

The role assignment has an invalid role
ERROR
ORGANIZATIONS API

Listing role assignments requires query parameters

Back to top


CodeDescription
ERROR
PROGRAMMABLE SMS

Queue overflow
ERROR
PROGRAMMABLE SMS

Account suspended
ERROR
PROGRAMMABLE SMS

Unreachable destination handset
ERROR
PROGRAMMABLE SMS

Message blocked
ERROR
PROGRAMMABLE SMS

Unknown destination handset
ERROR
PROGRAMMABLE SMS

Landline or unreachable carrier
ERROR
PROGRAMMABLE SMS

Message filtered
ERROR
PROGRAMMABLE SMS

Unknown error
ERROR
PROGRAMMABLE SMS

Missing inbound segment
ERROR
PROGRAMMABLE SMS

Message price exceeds max price
ERROR
PROGRAMMABLE SMS

MMS not supported by the receiving phone number in this region
ERROR

TTL is too small
ERROR

TTL is too big
ERROR

'To' attributes are Invalid
ERROR

Non-supported channel type is used
ERROR

'To' and 'From' channel types are incompatible
ERROR
PROGRAMMABLE SMS

Carrier network congestion
WARNING
PROGRAMMABLE SMS

Destination carrier requires sender ID pre-registration
ERROR
PROGRAMMABLE SMS

Content size exceeds carrier limit
ERROR
PROGRAMMABLE SMS

Internal Failure with Message Scheduling
ERROR
PROGRAMMABLE SMS

Internal Failure with messaging service orchestrator
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - Rate Limits Exceeded
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - Daily Message Cap Reached
ERROR
PROGRAMMABLE SMS

Numeric Sender ID Not Provisioned on Carrier
WARNING
PROGRAMMABLE SMS

US A2P 10DLC - 50% T-Mobile Daily Message Limit Consumed
WARNING
PROGRAMMABLE SMS

US A2P 10DLC - 70% T-Mobile Daily Message Limit Consumed
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - T-Mobile Daily Message Limit Reached
ERROR
PROGRAMMABLE SMS

Invalid API version
ERROR
PROGRAMMABLE SMS

Invalid ContentRetention
ERROR
PROGRAMMABLE SMS

Invalid AddressRetention
ERROR
PROGRAMMABLE SMS

Invalid MaxRate
ERROR
PROGRAMMABLE SMS

Toll-Free Number Has Not Been Verified
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - Campaign Suspended
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - Message from an Unregistered Number
ERROR
PROGRAMMABLE SMS

US A2P 10DLC - Message from a number still being configured
ERROR
PROGRAMMABLE SMS

Validity Period Expired
ERROR
PROGRAMMABLE SMS

Outbound Messaging Disabled
ERROR
PROGRAMMABLE SMS

OTP Message Body Filtered
WARNING
PROGRAMMABLE SMS

Filtered to Prevent Message Loops
ERROR
PROGRAMMABLE SMS

Destination carrier requires Sender ID pre-registration
ERROR
PROGRAMMABLE SMS

Message from an unregistered number sent to a United Kingdom number
ERROR
PROGRAMMABLE SMS

The Sender ID is blocked as generic or it contains special characters
ERROR
PROGRAMMABLE SMS

International SMS via Domestic Gateway
ERROR
PROGRAMMABLE SMS

Domain SID is invalid
ERROR
PROGRAMMABLE SMS

Domain is unverified
ERROR
PROGRAMMABLE SMS

TLS certificate for your Domain has expired.
ERROR
PROGRAMMABLE SMS

Links not shortened due to application failure.
WARNING
PROGRAMMABLE SMS

Shortened link not found. Click redirected to fallback Url
WARNING
PROGRAMMABLE SMS

Shortened link not found and no fallback URL found
ERROR
PROGRAMMABLE SMS

Domain has not been set up for this account
ERROR
PROGRAMMABLE SMS

Domain private certificate has not been uploaded
ERROR
PROGRAMMABLE SMS

Twilio account does not belong to an organization
ERROR
PROGRAMMABLE SMS

Callback URL is invalid
ERROR
PROGRAMMABLE SMS

Domain is blocked
ERROR
PROGRAMMABLE SMS

Url is on a deny list
ERROR

Account is not found
ERROR
PROGRAMMABLE SMS

Specified date is too old
ERROR
PROGRAMMABLE SMS

Specified date is not available yet
ERROR
PROGRAMMABLE SMS

Date format is incorrect
ERROR
PROGRAMMABLE SMS

Certificate or private key or both are missing
ERROR
PROGRAMMABLE SMS

Certificate cannot be parsed
ERROR
PROGRAMMABLE SMS

Private key is invalid
ERROR
PROGRAMMABLE SMS

Certificate and private key pair is invalid
ERROR
PROGRAMMABLE SMS

Domain certificate and private key are not uploaded
ERROR
PROGRAMMABLE SMS

Fallback URL is missing
ERROR
PROGRAMMABLE SMS

Fallback URL is invalid
ERROR
PROGRAMMABLE SMS

Callback URL is missing
ERROR
PROGRAMMABLE SMS

MessagingServiceSID cannot be empty or null
WARNING
PROGRAMMABLE SMS

Your phone number could not be registered with US A2P 10DLC
ERROR
PROGRAMMABLE SMS

Your 10DLC number failed to be registered
ERROR
PROGRAMMABLE SMS

MessagingServiceSID is invalid.
ERROR
PROGRAMMABLE SMS

MessagingServiceSidsAction is invalid
ERROR
PROGRAMMABLE SMS

Certificate is self signed
ERROR
PROGRAMMABLE SMS

Messaging Service SID already belongs in another domain configuration.
WARNING
PROGRAMMABLE SMS

Domain's certificate will expire soon
ERROR
PROGRAMMABLE SMS

Certificate cannot be validated.
ERROR
PROGRAMMABLE SMS

The certificate could not be uploaded.
ERROR
PROGRAMMABLE SMS

Invalid Dns Setup for Link shortening
ERROR
PROGRAMMABLE MESSAGING

Unable to issue certificate
ERROR
PROGRAMMABLE MESSAGING

Unable to renew certificate
ERROR
PROGRAMMABLE SMS

Parameters are not valid
ERROR
PROGRAMMABLE SMS

Not Found
ERROR
PROGRAMMABLE SMS

This message cannot be canceled
ERROR
PROGRAMMABLE SMS

Provider Timeout Error
ERROR
PROGRAMMABLE MESSAGING

Invalid Phone Number SID
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Edit time expired
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Unknown Error
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification rejection - Disallowed: SHAFT - Sex
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification rejection - Disallowed: Spam
ERROR
PROGRAMMABLE MESSAGING

Toll-Free verification rejection - Disallowed: Loan Marketing
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Fraud
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Could not validate business information
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Opt-in not sufficient: express consent required
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - phone number not provisioned to Twilio
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification rejection - Age Gate
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - URL issues in sample message
ERROR
PROGRAMMABLE SMS

Message delivery blocked
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification unable to process - address invalid
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification unable to process - email invalid
ERROR
PROGRAMMABLE SMS

Message couldn't be delivered
ERROR
PROGRAMMABLE SMS

Account exceeded the messages limit
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification rejection - Disallowed: SHAFT - Hate
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: SHAFT - Alcohol
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: SHAFT - Firearms
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: SHAFT - Tobacco / Vape
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Cannabis/CBD
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Third Party Debt Collection
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Gambling
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Sweepstakes
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Stock Alerts/Platforms
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Cryptocurrency
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Risk Investment/Get Rich Quick Schemes
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed - Debt Reduction
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Credit Repair
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Third-party Lead Generation
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Disallowed: Illegal substances/articles
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - High Risk: Deceptive Marketing
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - High Risk - Non-secured URL in sample message
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Could not verify Business
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Cannot validate business website URL
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Need end business
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Opt-in not sufficient: Cannot combine consent for messaging with requirement for service
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Opt-in not provided
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - Opt-in - Third party information sharing not allowed
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - single phone number used for multiple businesses
ERROR
PROGRAMMABLE MESSAGING

Toll Free verification rejection - justification needed for more than five toll free phone numbers per businesses
ERROR
PROGRAMMABLE MESSAGING

Toll-Free phone number verification rejection - Disallowed - Phishing
ERROR
PROGRAMMABLE SMS

Message couldn't be delivered
ERROR
PROGRAMMABLE SMS

Twilio Internal Error
ERROR
PROGRAMMABLE MESSAGING

Message couldn't be delivered
ERROR
PROGRAMMABLE MESSAGING

Message couldn't be delivered
ERROR
PROGRAMMABLE MESSAGING

Message couldn't be delivered
ERROR
PROGRAMMABLE MESSAGING

Message couldn't be delivered
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Invalid input parameters
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Registration not found
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Duplicate record detected
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Max registration limit reached
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Country code not allowed
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Sole Proprietor brands are not enabled
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Address duplicate threshold reached
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Phone number duplicate threshold reached
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Email address duplicate threshold reached
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Mobile phone number duplicate threshold reached
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Unsupported mobile phone number
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Invalid or expired OTP
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Unsupported email address
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Invalid postal address
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Unsupported country code
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Obfuscation check failure
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Internal system error
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Temporary system error
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: General error
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Failure: Validation problems with connected bundles
ERROR
PROGRAMMABLE MESSAGING

US A2P Registration: General error
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Feedback: Data mismatch related to tax id and its associated properties.
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Feedback: Non public entity registered as a public for profit entity or the stock information mismatch.
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Feedback: Non government entity registered as a government entity. Must be a U.S. government entity.
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Feedback: No IRS 501c tax-exempt status found.
ERROR
PROGRAMMABLE MESSAGING

Brand Registration Feedback: We were unable to verify the details of the registration data.
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Unknown Error
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Invalid Brand Support Email
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Terms & Conditions
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Content Violation
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Spam/Phishing
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - High Risk
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Invalid Campaign Description
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Opt-out Error
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Age Gate Not Present / Not Acceptable
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Embedded Phone Number
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Subscriber Help
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Invalid Website URL
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Invalid Sample Message - Public URL Shorteners
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Inconsistency between Sample Message and Use-case
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Invalid Brand Information
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Direct Lending - Campaign and Content Attribute Error
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Opt-in Error
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Disallowed Content
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Excessive EIN
ERROR
PROGRAMMABLE MESSAGING

Campaign rejection - The campaign registration failed because of carrier rejection(s).
ERROR
PROGRAMMABLE MESSAGING

Campaign rejection - The campaign use case is ineligible for registration.
ERROR
PROGRAMMABLE MESSAGING

Campaign rejection - The campaign registration request timed out.
ERROR
PROGRAMMABLE MESSAGING

Campaign rejection - A DCA2 rejected this campaign registration request.
ERROR
PROGRAMMABLE MESSAGING

Campaign rejection - Incorrect Sole Prop Brand Registration
ERROR
PROGRAMMABLE MESSAGING

Campaign Not Shared with Twilio
ERROR
PROGRAMMABLE MESSAGING

Campaign Review Pending by Twilio
ERROR
PROGRAMMABLE MESSAGING

Campaign Rejected by Twilio
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Website URL Validation Issue
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - Compliant Privacy Policy Required
ERROR
PROGRAMMABLE MESSAGING

Campaign vetting rejection - CTA Verification Issue
ERROR
PROGRAMMABLE MESSAGING

Campaign Suspension
ERROR
PROGRAMMABLE MESSAGING

Campaign Registration Failed
ERROR
PROGRAMMABLE MESSAGING

Campaign Registration Failed
ERROR
PROGRAMMABLE VOICE

Generic error
ERROR
PROGRAMMABLE VOICE

Application not found.
ERROR
PROGRAMMABLE VOICE

Connection declined.
ERROR
PROGRAMMABLE VOICE

Connection timeout
ERROR
PROGRAMMABLE VOICE

Connection error
ERROR
PROGRAMMABLE VOICE

Audio device error
ERROR
PROGRAMMABLE VOICE

Twilio Client: Client version not supported
ERROR
PROGRAMMABLE VOICE

Call cancelled
ERROR
PROGRAMMABLE VOICE

Transport error
ERROR
PROGRAMMABLE VOICE

Malformed request
ERROR
PROGRAMMABLE VOICE

Missing parameter array in request.
ERROR
PROGRAMMABLE VOICE

Authorization token missing in request.
ERROR
PROGRAMMABLE VOICE

Length of parameters cannot exceed MAX_PARAM_LENGTH.
ERROR
PROGRAMMABLE VOICE

Invalid bridge token.
ERROR
PROGRAMMABLE VOICE

Invalid client name
ERROR
PROGRAMMABLE VOICE

Invalid data
ERROR
PROGRAMMABLE VOICE

Twilio Client: Error occurred while accessing microphone
ERROR
PROGRAMMABLE VOICE

Signature validation failed.
ERROR
PROGRAMMABLE VOICE

No valid account.
ERROR
PROGRAMMABLE VOICE

Invalid JWT token.
ERROR
PROGRAMMABLE VOICE

JWT token expired.
ERROR
PROGRAMMABLE VOICE

Rate exceeded authorized limit.
ERROR
PROGRAMMABLE VOICE

JWT token expiration too long.
ERROR
PROGRAMMABLE VOICE

User denied access to microphone.
ERROR
PROGRAMMABLE VOICE

Reconnect attempt error.
ERROR
PROGRAMMABLE VOICE

Call Message Event Type is invalid.
ERROR
PROGRAMMABLE VOICE

Call is not in the expected state.
ERROR
PROGRAMMABLE VOICE

Call Message Event Payload size exceeded authorized limit.
ERROR
PROGRAMMABLE VOICE

Registration error
ERROR
PROGRAMMABLE VOICE

Unsupported Cancel Message Error
ERROR
PROGRAMMABLE VOICE

Bad Request
ERROR
PROGRAMMABLE VOICE

Forbidden
ERROR
PROGRAMMABLE VOICE

Not Found
ERROR
PROGRAMMABLE VOICE

Request Timeout
ERROR
PROGRAMMABLE VOICE

Conflict
ERROR
PROGRAMMABLE VOICE

Upgrade Required
ERROR
PROGRAMMABLE VOICE

Too Many Requests
ERROR
PROGRAMMABLE VOICE

Temporarily Unavailable
ERROR
PROGRAMMABLE VOICE

Call/Transaction Does Not Exist
ERROR
PROGRAMMABLE VOICE

Address Incomplete
ERROR
PROGRAMMABLE VOICE

Busy Here
ERROR
PROGRAMMABLE VOICE

Request Terminated
ERROR
PROGRAMMABLE VOICE

Internal Server Error
ERROR
PROGRAMMABLE VOICE

Bad Gateway
ERROR
PROGRAMMABLE VOICE

Service Unavailable
ERROR
PROGRAMMABLE VOICE

Gateway Timeout
ERROR
PROGRAMMABLE VOICE

DNS Resolution Error
ERROR
PROGRAMMABLE VOICE

Busy Everywhere
ERROR
PROGRAMMABLE VOICE

Decline
ERROR
PROGRAMMABLE VOICE

Does Not Exist Anywhere
ERROR
PROGRAMMABLE VOICE

Stream - Unknown Error
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Connection Timeout
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Connection Refused
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Connection Broken Pipe
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Host Unreachable
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - SSL Protocol Error
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Handshake Error
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Close Error
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - URL Schema Not Supported
ERROR
PROGRAMMABLE VOICE

Stream - WebSocket - Malformed URL
ERROR
PROGRAMMABLE VOICE

Stream - Websocket - Protocol Error
WARNING
PROGRAMMABLE VOICE

Stream - Media - Buffer Overflow
WARNING
PROGRAMMABLE VOICE

Stream - Media - Media Discarded
ERROR
PROGRAMMABLE VOICE

Stream - Invalid connectorName attribute in TwiML.
ERROR
PROGRAMMABLE VOICE

Stream - Invalid Track configuration
ERROR
PROGRAMMABLE VOICE

Stream - Invalid connector configuration
WARNING
PROGRAMMABLE VOICE

Stream - Protocol - Malformed Message
WARNING
PROGRAMMABLE VOICE

Stream - Protocol - Invalid Message
ERROR
PROGRAMMABLE VOICE

Stream Extension not found:
WARNING
PROGRAMMABLE VOICE

Stream - Media - RTP timeout
ERROR
PROGRAMMABLE VOICE

Stream - Quota exceeded
ERROR
ELASTIC SIP TRUNKING

SIP: Trunk CPS limit exceeded
WARNING
PROGRAMMABLE VOICE

SIP: Dial failure - Twilio SIP Domain not found
ERROR
ELASTIC SIP TRUNKING

Voice calling has been disabled for this account
WARNING

SIP: Too many hops
WARNING
PROGRAMMABLE VOICE

SIP: Too many endpoints/bindings for the Address-of-record (AOR)
WARNING
PROGRAMMABLE VOICE

SIP: Registration per second limit reached
WARNING
PROGRAMMABLE VOICE

The user you tried to dial is not registered with the corresponding SIP Domain
ERROR
ELASTIC SIP TRUNKING

SIP: No valid Origination URIs configured
WARNING
ELASTIC SIP TRUNKING

Error communicating with your SIP communications infrastructure
WARNING
ELASTIC SIP TRUNKING

SIP: Parent account pooled Trunking CPS limit exceeded
ERROR
PROGRAMMABLE VOICE

SIP: Parent account SIP Interface CPS limit exceeded
WARNING
PROGRAMMABLE VOICE

Call is terminated because of no audio received
WARNING
PROGRAMMABLE VOICE

Call is terminated due to exceeding maximum call duration
ERROR

PSTN PDD timeout
ERROR

PSTN: Carrier blocked call due to calling number (caller ID)
ERROR
PROGRAMMABLE VOICE

Twiml size exceeded maximum allowed value
WARNING
PROGRAMMABLE VOICE

Twiml and Voice URL are both set. Using Voice URL.
ERROR
ELASTIC SIP TRUNKING

SHAKEN/STIR call verification failed due to invalid passport from customer
WARNING
PROGRAMMABLE VOICE

SHAKEN/STIR call verification failed
ERROR
PROGRAMMABLE VOICE

ACK not received from your SIP endpoint
WARNING
ELASTIC SIP TRUNKING

SIP: Trial accounts can only call verified caller IDs
WARNING
PROGRAMMABLE VOICE

SIP: Invalid phone number
WARNING

SIP: Bad SDP
WARNING

SIP: Empty body
WARNING
PROGRAMMABLE VOICE

SIP: Invalid contact header
ERROR
PROGRAMMABLE VOICE

SIP: Authentication Error
WARNING

SIP: URI is formatted incorrectly
WARNING

SIP: Invalid header name
WARNING

SIP: Invalid header value
WARNING

SIP: Header name is not allowed
WARNING

SIP: Unsupported parameter value
ERROR
ELASTIC SIP TRUNKING

X-Branded-CallReason header contains an invalid value.
ERROR
ELASTIC SIP TRUNKING

SIP: Insufficient permissions
ERROR
ELASTIC SIP TRUNKING

SIP: Source IP address not in ACL
ERROR
ELASTIC SIP TRUNKING

SIP: Bad user credentials
ERROR
ELASTIC SIP TRUNKING

SIP: Call blocked by Twilio
ERROR
ELASTIC SIP TRUNKING

SIP: 'From' phone number not verified
ERROR
ELASTIC SIP TRUNKING

SIP Trunking: Geo Permission configuration is not permitting call
ERROR
ELASTIC SIP TRUNKING

SIP: Invalid From number (caller ID)
ERROR
ELASTIC SIP TRUNKING

SIP: Secure media not accepted
ERROR
ELASTIC SIP TRUNKING

SIP: Secure media required
ERROR

SIP: Secure transport required
ERROR
PROGRAMMABLE VOICE

SIP: Register not supported
WARNING
PROGRAMMABLE VOICE

SIP: Registration Authentication problem
WARNING
PROGRAMMABLE VOICE

SIP: Invalid <Dial><Sip>
WARNING
PROGRAMMABLE VOICE

Dial failure calling a SIP Domain without specifying a region
ERROR

SIP: SIP Address is on a deny list
ERROR
ELASTIC SIP TRUNKING

SIP: Transfer not allowed
ERROR
ELASTIC SIP TRUNKING

SIP: Redirect failed
ERROR
PROGRAMMABLE VOICE

Specifying an edge is not allowed when dialing SIP registered endpoints
ERROR
PROGRAMMABLE VOICE

Dialing SIP Endpoint failure - No devices registered in specified edge
ERROR
ELASTIC SIP TRUNKING

TLS version not allowed
ERROR
PROGRAMMABLE VOICE

There is no username in the SIP URI when calling a SIP registered endpoint
WARNING
INTERCONNECT

Interconnect: Invalid Connection (TNX) SID
WARNING
INTERCONNECT

Interconnect: Connection (TNX) SID not found
WARNING
INTERCONNECT

Interconnect: Multiple SIP Dials with Interconnect Connection (TNX) SID
WARNING
INTERCONNECT

Interconnect: Connection (TNX) SID is not Active
ERROR
PROGRAMMABLE VOICE

BYOC Trunk routing failure - failover routing disabled.
WARNING
PROGRAMMABLE VOICE

BYOC Trunk routing failure - failover to Twilio default routing.
ERROR
PROGRAMMABLE VOICE

Voice Conversation: Generic error.
ERROR
PROGRAMMABLE VOICE

Voice Conversation: TwiML attributes validation error.
WARNING
PROGRAMMABLE VOICE

Voice Conversation: Callback event internal error.
WARNING
PROGRAMMABLE VOICE

Voice Conversation: Callback event response error.
ERROR
PROGRAMMABLE VOICE

Voice Conversation: Incomplete Conversation.
ERROR
PROGRAMMABLE VOICE

Voice Conversation: Invalid data inside existing conversation.
ERROR
PROGRAMMABLE VOICE

Voice Conversation: Failed to get worker assigned to a newly created Conversation.
ERROR
PROGRAMMABLE VOICE

Virtual Agent: Configuration Error
ERROR
PROGRAMMABLE VOICE

Virtual Agent: Provider Error
ERROR
PROGRAMMABLE VOICE

Virtual Agent: Invalid Connector
WARNING
PROGRAMMABLE VOICE

Virtual Agent: Unsupported <Config> attribute(s) in TwiML
ERROR
PROGRAMMABLE VOICE

Virtual Agent: Internal Error
ERROR
PROGRAMMABLE VOICE

Virtual Agent: PCI Error
ERROR
PROGRAMMABLE VOICE

Real-time Transcriptions: Configuration Error
ERROR
PROGRAMMABLE VOICE

Real-time Transcriptions: Provider Error
WARNING
PROGRAMMABLE VOICE

Real-time Transcriptions: Unsupported <Config> attribute(s) in TwiML
ERROR
PROGRAMMABLE VOICE

Real-time Transcriptions: Internal Error
ERROR
PROGRAMMABLE VOICE

Real-time Transcriptions: PCI Error
WARNING
PROGRAMMABLE VOICE

Real-time Transcriptions: AI Terms Not Accepted
ERROR
PROGRAMMABLE VOICE

Voice User-Defined Message: Internal Twilio Error
WARNING
PROGRAMMABLE VOICE

Voice User-Defined Message: Invalid Content-Type
WARNING
PROGRAMMABLE VOICE

Voice User-Defined Message: Invalid Content
WARNING
PROGRAMMABLE VOICE

Voice User-Defined Message: Content body exceeded max length
WARNING
PROGRAMMABLE VOICE

Voice User-Defined Message: Subscription Callback Internal Error
WARNING
PROGRAMMABLE VOICE

Voice User-Defined Message: Request to subscription callback URL encountered error
ERROR
PROGRAMMABLE WIRELESS

Generic Error
ERROR
PROGRAMMABLE WIRELESS

Service is unavailable
ERROR
PROGRAMMABLE WIRELESS

Conflicting update
ERROR
PROGRAMMABLE WIRELESS

Invalid Parameter Value
ERROR
PROGRAMMABLE WIRELESS

Parameter missing
ERROR
PROGRAMMABLE WIRELESS

Paging information invalid
ERROR
PROGRAMMABLE WIRELESS

Configuration incomplete
ERROR
PROGRAMMABLE WIRELESS

Transition invalid
ERROR
PROGRAMMABLE WIRELESS

SIM not found
ERROR
PROGRAMMABLE WIRELESS

Rate Plan not found
ERROR
PROGRAMMABLE WIRELESS

Command exceeded max length
ERROR
PROGRAMMABLE WIRELESS

Number of Commands exceeded
ERROR
PROGRAMMABLE WIRELESS

SIM connectivity reset not allowed
ERROR
PROGRAMMABLE WIRELESS

SIM connectivity reset in progress
ERROR
PROGRAMMABLE WIRELESS

Invalid Parameter Combination
ERROR
PROGRAMMABLE WIRELESS

Rate Plan Is Not Allowed
ERROR
PROGRAMMABLE WIRELESS

Unauthorized
ERROR
PROGRAMMABLE WIRELESS

Messaging not allowed
ERROR
PROGRAMMABLE FAX

Callee Busy
ERROR
PROGRAMMABLE FAX

Callee did not answer
ERROR
PROGRAMMABLE FAX

Error during fax transmission
ERROR
PROGRAMMABLE FAX

Programmable Fax is no longer available
ERROR
PROGRAMMABLE FAX

No Fax TwiML action specified
ERROR
PROGRAMMABLE FAX

Other End Incompatible
ERROR
PROGRAMMABLE SMS

SendAt timestamp is missing
ERROR
PROGRAMMABLE SMS

Scheduling does not support this timestamp
ERROR
PROGRAMMABLE SMS

Scheduling does not support this timestamp
ERROR
PROGRAMMABLE SMS

Scheduling does not support this timestamp
ERROR
PROGRAMMABLE SMS

MessagingServiceSid is required to schedule a message
ERROR
PROGRAMMABLE SMS

Maximum limit reached in the account for scheduling messages