SMS guidelines for France
SMS works differently in every country. See how it works in France.
Bouygues Telecom, Free Mobile, SFR, NRJ Mobile, Lycamobile
Inbound: GSM 3.38=160, Unicode=70 Outbound: GSM 3.38=160, Unicode=70
Converted to SMS with embedded URL
SMS cannot be sent to a landline destination number. If an SMS is sent to a landline, the Twilio REST API will throw a 400 response with error code 21614. Additionally, the message will not appear in the logs and the account will not be charged.
French mobile networks block marketing SMS traffic on Sundays, any nights after 10 PM, and public holidays. If messages are sent during these restricted times, they will be queued and sent out the following day.
Bouygues Telecom do not support Unicode body encoding for A2P SMS. All Unicode characters will be replaced with GSM characters to ensure delivery.
Twilio strongly encourages customers to review proposed use cases with qualified legal counsel to make sure that 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.
Application to Person messaging needs to be sent via Alphanumeric Sender ID.
Refer to our pricing page.
French mobile numbers can only be used for Person to Person messaging.
Use an Alpha sender or a global SMS-capable number from another country to send A2P messaging.
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