Cisco
350-801 · Question #583
Refer to the exhibit. A customer reports that SIP voice calls are using G.711 codec instead of G.729. The administrator checks the SIP signaling in the logs and sees the SDP shown. What will the…
The correct answer is D. m=audio 16444 RTP/AVP 18 101. G.729 is identified in SDP by RTP payload type 18, so after the correct configuration change, the SDP media line reflects this payload type, indicating that G.729 is now being negotiated and used for the SIP voice calls.
Protocols and Endpoints
Question
Refer to the exhibit. A customer reports that SIP voice calls are using G.711 codec instead of G.729. The administrator checks the SIP signaling in the logs and sees the SDP shown. What will the administrator see in the logs if the right configuration change was made to resolve the issue?
Exhibit
Options
- Am=audio 16444 RTP/AVP 9 101
- Bm=audio 16444 RTP/AVP 4 101
- Cm=audio 16444 RTP/AVP 15 101
- Dm=audio 16444 RTP/AVP 18 101
How the community answered
(51 responses)- A12% (6)
- B6% (3)
- C2% (1)
- D80% (41)
Explanation
G.729 is identified in SDP by RTP payload type 18, so after the correct configuration change, the SDP media line reflects this payload type, indicating that G.729 is now being negotiated and used for the SIP voice calls.
Topics
#SIP#SDP#Codec#G.729
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