Cisco 350-801 Exam - Topic 1 Question 4 Discussion
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?
A) Payload type 110 was negotiated rather than type 101.
B) DTMF was negotiated properly in these messages.
C) G.729 rather than G.711ulaw was negotiated.
D) DTMF was not negotiated on the call.
Margot
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