SMS guidelines for Turkey
SMS works differently in every country. See how it works in Turkey.
Middle East & Africa
Turkcell, Vodafone, Turk Telecom
Converted to SMS with embedded URL
SMS cannot be sent to landline destination number. The Twilio REST API will throw a 400 response with error code 21614, the message will not appear in the logs and the account will not be charged.
The Turkish carriers are filtering traffic with numeric, shortcode and unregistered Sender IDs. Alpha Sender ID pre-registration is mandatory and so unregistered Sender IDs may be blocked by the carriers. P2P, gambling, political or religious related traffic is not permitted.
Twilio strongly encourages customers to review proposed use cases with qualified legal counsel to ensure they comply with all applicable laws. The following are some general best practices:
- Get opt-in consent from each end user before sending any communication to them, particular for marketing or other non-essential communications.
- Only communicate during an end user's daytime hours unless it is urgent.
- SMS campaigns should support HELP/STOP messages, and similar messages, in the end user's local language.
- Do not contact end users on do-not-call or do-not-disturb registries.
P2P, gambling, political or religiouscontent is not permitted
Use only pre-registered sender ID to ensure message delivery.
Messages submitted with numeric sender IDs are likely to get blocked. Alpha Sender IDs must be preregistered to ensure delivery.
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