Warning 32101

Error - 32101

SIP: Invalid phone number

Possible Causes

  • The called number is not a valid E.164 number.

Possible Solutions

  • Make sure that any phone number sent via SIP to Twilio is always E.164-formatted.

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.