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350-801 · Question #238
350-801 Question #238: Real Exam Question with Answer & Explanation
The correct answer is C: m=audio 16444 RTP/AVP 18 101. 40kbps will not allow G.711 & G.722 to be advertised as they have bandwidth of 64kbps, only G.729 will be allowed. https://en.m.wikipedia.org/wiki/RTP_payload_formats
On-Premises Call Control
Question
Refer to the exhibit. In this cisco UCM setup configured for EARLY offer, what is the codec preference line in the initial SIP INVITE SDP?
Options
- Am=audio 16444 RTP/AVP 9 18 101
- Bm=audio 16444 RTP/AVP 0 8 18 101
- Cm=audio 16444 RTP/AVP 18 101
- Dm=audio 16444 RTP/AVP 9 0 8 18 101
Explanation
40kbps will not allow G.711 & G.722 to be advertised as they have bandwidth of 64kbps, only G.729 will be allowed. https://en.m.wikipedia.org/wiki/RTP_payload_formats
Topics
#SIP#SDP#Codecs#Cisco UCM
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