350-801 question 29: Refer to the exhibit. An international-number call has failed. Whic…

Q29Protocols and Endpoints

Refer to the exhibit. An international-number call has failed. Which action resolves this issue?

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Discussion · 11

Should be Answer B; Bearer-cap 0x8090A2 is already speech. Dialed nr starting 011 does not look like an international number to me. Source; https://www.cisco.com/c/en/us/support/docs/voice/h323/14006-h323-isdn-callfailure.html

yeap, I'm going with B also. By eliminating the other answers... bearer-cap as speech is already there as you said (0x8090A2)... no need for transcoder or changing switch-type as we got "normal call clearing" on disconnect cause, So probably we got "wrong number dialer from ITSP", then removing 011 will do the work to correct digits to pstn

If 011 is sent out we should get fast busy right ? Then why is the question not mentioning that but only saying the call is failed ? So Answer A could be right

B 2

Selected Answer: B A quick debug isdn q931 helps find the issue: A normal call will have: Bearer Capability i = 0x8090A2 A failed call wil have the following: Bearer Capability i = 0x8890 https://it-learn.io/2014/05/01/sip-devices-unable-to-stablish-pstn-calls/

B 2

Selected Answer: B B is the right answer.

B 2

Selected Answer: B From answers i would ignore A,C,D A is not fitting, is already speach: 0x8090A2 Speech https://www.cisco.com/c/en/us/support/docs/voice/h323/14006-h323-isdn-callfailure.html C is not needed, IDSN Debug is not showing codec issues on given cause codes D is about Configuring the Switch Type, which i do not see as an issue, when looking at given cause codes suspecious is 0x929F, which indicates issues in other related searches to signaled called number I checked on our customer in USA, we send it with leading 011 + plan:unknown I assume it is provider depending, but with plan:international it might be necessary stripping 011

011 is the US international dial code. so that has to be there to place the call even with the ITSP

og but wait the ISDN PLAN is international so the leading 011 is not needed?

Its B . You do not need 011 in front when call type is set to International

Not really .. specially in this case when ISDN call type is set to International

B 1

Selected Answer: B The answer is B