Product: Elastic SIP Trunking
- A SIP Call is made to a Twilio SIP Domain using SRTP, which it is not supported
- A termination Call is made to a Twilio SIP Trunk and the Twilio SIP Trunk is not configured to accept secure media (SRTP).
- Please use RTP.
- For Twilio Elastic SIP Trunking, if you wish to use SRTP kindly enable Secure Trunking.