For Incoming Flows

This section describes the way all three settings behavior for incoming flows.

• rtp—If the incoming media security policy associated with a realm has rtp set as its mode, then the E-SBC only accepts offer SDP containing RTP/AVP media lines. Otherwise, the E-SBC rejects the session with a 488 Not Acceptable Here.
• srtp—If the incoming media security policy associated with a realm has srtp set as its mode, the E-SBC only accepts offer SDP containing RTP/SAVP media lines. Otherwise, the E-SBC rejects the session with a 488 Not Acceptable Here.
• any—If the incoming media security policy associated with a realm has any set as its mode, the E-SBC accepts offer SDP that has RTP/AVP media lines, RTP/SAVP media lines, or both.