Question 384 of 490 from exam 400-051: CCIE Collaboration

Question 384 of 490 from exam 400-051: CCIE Collaboration

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Refer to the Exhibit.

INVITE sip:951241822220172.16.100.90:5060 SIP/2.0 Via: SIP/2.0/TCP 172.16.100.50:5060: branch=z9hG4bK12af194b3e2624 From: “Agent A" <sip:51241830010172.16.100.50>: tag=1001843-825a8e37-305d-403 f-9a76-065343b3b431-61539586 To: <sip:951241822220172.16.100.90> Date: Tue, 10 Mar 2015 14:25:03 GMT Call-ID: 3c748f00-4felfebf-35ff9-2befl2ac0172.16.100.50 Supported: timer, resource-priority, replaces Min-SE: 1800 User-Agent: Cisco-CUCM9.1 Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY Cseq: 101 INVITE Expires: 100 Allow-Events: presence Supported: X-cisco-srtp-fallback Cisco-Guid: 1014271744-0000065536-0000221138-0737088172 Session-Expires: 1800 P-Asserted-Identity: “Agent A” <sip:51241830010172.16.100.50> Remote-Party-ID: “Agent A” <sip:51241830010172.16.100.50>:party=calling:screen=yes; privacy=off Contact: “Agent A” <sip:51241830010172.16.100.50.5060; transport=tcp>;isFocus Max-Forwards: 70 Content-Type: application/sdp Content-Length: 202 v=0 o=CiscoSystemsCCM-SIP 2371 1 IN IP4 172.16.100.50 s=SIP Call c=IN IP4 172.16.100.50 t=0 0 m=audio 24582 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15

An agent initiated a video call but was establish as audio only.

The support engineer collected and analyzed the Cisco Unified CM traces.

Which two options caused this problem? (Choose two)

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Explanations

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A. B. C. D. E.

DE.

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