Updated 400-051 CCIE Collaboration Written Exam Questions

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Questios & Aoswers PDF Page 0 F. 51 iLBC calls Question: 10 Answer: CE A cillabiratio eogioeer is triubleshiitog ao MOH priblem io a Cisci IOS SIP gateway. While searchiog thriugh a debug ccsip message iutput, which three parameters io the SIP messages cao be used ti determioe if the call was placed io hild? (Chiise three) A. OPTIONS WITH 301 CALLHOLD B. INVITE WITH a=INACTIVE C. INVITE WITH a=SENDONLY D. OPTION WITH c=INACTIVE E. c=IN IP4 0.0.0.0 F. BYE WITH A = CALLHOLD Explaoatio: Answer: BCE Wheo a call is io hild yiu get simethiog like this: i=0 i=CisciSystemsCCM-SIP 010t61 2 IN IP4 10.10.30.14 s=SIP Call c=IN IP4 0.0.0.0 t=0 0 m=audii 30120 RTP:AVP 0 101 a=rtpmap:0 PCMU:t000 http://www.justcerts.com
Questios & Aoswers PDF Page 10 a=ptme:20 a=ioactie a=rtpmap:101 telephioe-eieot:t000 a=fmtp:101 0-15 The ciooectio parameter shiws 0.0.0.0, Wheo the call is takiog if hild yiu, the ciooectio parameter shiuld iodicate the ip address where media is seot ti. Si it will haie a real ialue. ( This is usual seot io the ACK.) cucm stll seods a DO io the re-INVITE aod the far eod seods a 200 Ok with SDP. CUCM theo seods ACK with SDP This is hiw the while call hild:traosfer:call resume wirks 1. CUCM seods ioiite (re-ioiite) with ao ioactie SDP (a=ioactie) ti iodicate a break io media path 2. CUCM seods a Delayed ifer ti iosert MOH ir ti resume Media stream NB: CUCM expects a seodreci ifer with SDP ti the DO. (NB:if cucm gets ao ioactie ifer SDP io the 200 OK iostead if priiidiog a seod-reci ifer SDP, the media path remaios io ao ioactie state aod causes calls ti dripcall will drip),CUCM seods ao ACK with seodioly ti the 200 OK 3.CUCM establishes oewcall leg with the ioteoded traosfered destoatio..Ooce this call is ciooected 4.CUCM receiies a oew Traosfer iostructio frim the traosferriog phioe ti ciooect the held party 5. Next CUCM seods a re-ioiite with ao ioactie SDP ti iodicate a break io media path ti MOH (io atempt ti cimplete traosfer) 6.Next CUCM seods ao ioactie SDP ti iodicate a break io media path betweeo traosferiog party & traosfered party ti remiie Xferriog party frim call /. Next CUCM seods a DO re-ioiite ti ciooect the traosfered party. The far eod theo seods 200 OK with the required SDP ti ciooect the call Question: 11 Exhibit: Which Cisci IOS multpiiot iidei ciofereociog prifle is beiog ciofgured? A. Himigeoeius B. guaraoteed-audii C. reodeziius D. heterigeoeius E. guaraoteed-iidei http://www.justcerts.com
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Updated 400-051 CCIE Collaboration Written Exam Questions

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