Question 50 of 147 from exam CLCOR: Implementing and Operating Cisco Collaboration Core Technologies

Question 50 of 147 from exam CLCOR: Implementing and Operating Cisco Collaboration Core Technologies

Question

INVITE sip:2002@10.10.10.10:5060 SIP/2.0
[..truncated. .]
v=o
lo-UAC 6107 7816 IN IP4 10.10.10.11
JS=SIP Call
lc=IN IP4 10.10.10.11
0
m—audio 8190 RTP/AVP 18 110
lo=IN IP4 10.10.10.11
tpmap:18 G729/8000
‘tp:18 annexb=no,
ja-rtpmap:110 telephone-event/8000
tp:110 0-16

ja=ptime :20

ISIP/2.0 200 OK
[..truncated. .]

v=o

lo-UAS 4692 9609 IN IP4 10.10.10.10
JS=SIP Call

lc=IN IP4 10.10.10.10
t=0 0

m—audio 8056 RTP/AVP 18
lc=IN IP4 10.10.10.10
ja-rtpmap:18 G729/8000
a-fmtp:18 annexb=no
ja—ptime :20

Refer to the exhibit The SDP offer/answer has been completed successfully but there is no DTMF when users press keys.

What is the cause of the issue?

Answers

Explanations

Click on the arrows to vote for the correct answer

A. B. C. D. E. F.

D.