post https://rest-ww.telesign.com/v1/anonymous/session/sms_voice
Use this action to create an anonymous session, usable either for SMS or voice communication with number masking. You must use only dual-capable (both SMS and voice capable) numbers from Telesign as masking IDs when using this action.
Looking for the high-level guide page related to this action? Go to Number Masking - Create masked session for SMS or voice.