Refer to the exhibit. Which two events occur when a transcoder becomes unavailable and a customer calls the representative? (Choose two.)

The correct answer is B. The call fails. C. The G.711u codec is used. This scenario involves a SIP call that requires codec negotiation between a customer (using G.711u via SIP trunk) and a representative (using G.729r8 via CUCM). The Cisco Unified Border Element (CUBE) is expected to provide a transcoding service between incompatible codecs…

Media and QoS

Question

Exhibit

Options

AThe call succeeds.
BThe call fails.
CThe G.711u codec is used.
DThe G.729r8 codec is used.
EThe G.729br8 codec is used.

How the community answered

(58 responses)

A
2% (1)
B
83% (48)
D
5% (3)
E
10% (6)

Explanation

This scenario involves a SIP call that requires codec negotiation between a customer (using G.711u via SIP trunk) and a representative (using G.729r8 via CUCM). The Cisco Unified Border Element (CUBE) is expected to provide a transcoding service between incompatible codecs. When the transcoder becomes unavailable, the outcome depends on codec compatibility between the endpoints.

Topics

#Transcoding#Codecs#Media Resources#Call Failure

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