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350-801 · Question #224
350-801 Question #224: Real Exam Question with Answer & Explanation
The correct answer is D: m=audio 0 RTP/AVP 18 0 8 4 15. You could probably get thru the test just knowing the payload IDs for G.711u being 0 and G.729 https://datatracker.ietf.org/doc/html/rfc3551#page-32
Protocols and Endpoints
Question
Refer to the exhibit. A customer wants the SIP 200 OK shown to advertise codecs in the following order: - G.729 - G.711u - G.711a - G.723 - G.728 After correcting the codec preferences. What should the audio payload show in the SIP Traces?
Options
- Am=audio 0 RTP/AVP 0 8 18 4 15
- Bm=audio 0 RTP/AVP 4 0 8 18 15
- Cm=audio 0 RTP/AVP 0 18 8 4 15
- Dm=audio 0 RTP/AVP 18 0 8 4 15
Explanation
You could probably get thru the test just knowing the payload IDs for G.711u being 0 and G.729 https://datatracker.ietf.org/doc/html/rfc3551#page-32
Topics
#SIP#SDP#Codec Preference#RTP Payload Types
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