Sends and receives SMS text messages via the SMS channel of the Sinch Conversation API. Covers sender ID types (long code, short code, alphanumeric, toll-free, 10DLC), GSM 7-bit vs UCS-2 character encoding, concatenated multi-part messages, opt-out (STOP) handling, and SMS channel properties. Use wh
Sends and receives SMS text messages via the SMS channel of the Sinch Conversation API. Covers sender ID types (long code, short code, alphanumeric, toll-free, 10DLC), GSM 7-bit vs UCS-2 character encoding, concatenated multi-part messages, opt-out (STOP) handling, and SMS channel properties. Use when sending an SMS or text message, handling inbound SMS or STOP keywords, choosing or configuring an