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Question 448 - 350-801 discussion

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Refer to the exhibit.


A call is falling to establish between two SIP Devices The called device answers with these SOP Which

SOP parameter causes issue?

A.

The calling device did not offer a ptime value

Answers
A.

The calling device did not offer a ptime value

B.

The media stream is set to send only

Answers
B.

The media stream is set to send only

C.

The payload for G.711ulaw must be 18.

Answers
C.

The payload for G.711ulaw must be 18.

D.

The RTP port is set to 0.

Answers
D.

The RTP port is set to 0.

Suggested answer: D

Explanation:

The RTP port is used to send and receive media packets during a call. If the RTP port is set to 0, the called device will not be able to send or receive media packets, and the call will fail.

The other options are not correct because:

A. The calling device did not offer a ptime value: The ptime value is used to specify the amount of time between each media packet. If the calling device does not offer a ptime value, the called device will use the default value of 20 milliseconds.

B. The media stream is set to sendonly: The media stream is set to sendonly when the called device is only able to send media packets, and not receive them. This is not a problem, and the call will still

succeed.

C. The payload for G.711ulaw must be 18: The payload for G.711ulaw is the type of media packet

that is used. The payload must be set to 18 for G.711ulaw, but this is not a problem, and the call will

still succeed.

asked 10/10/2024
BISWARUP KUNDU
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