Refer to the exhibit. A call is failing to establish between two SIP Devices. The called device answers with this SDP. Which SDP parameter causes this issue?
A) The payload for G.711ulaw must be 18.
B) The calling device did not offer a ptime value.
C) The media stream is set to sendonly.
D) The RTP port is set to 0.

Question

Refer to the exhibit. A call is failing to establish between two SIP Devices. The called device answers with this SDP. Which SDP parameter causes this issue?
A) The payload for G.711ulaw must be 18. 
B) The calling device did not offer a ptime value. 
C) The media stream is set to sendonly. 
D) The RTP port is set to 0.

Quizplus · Accepted Answer

The Answer of  Refer to the exhibit. A call is failing to establish between two SIP Devices. The called device answers with this SDP. Which SDP parameter causes this issue?
A) The payload for G.711ulaw must be 18. 
B) The calling device did not offer a ptime value. 
C) The media stream is set to sendonly. 
D) The RTP port is set to 0.

Refer to the Exhibit