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I am using sipp pcap play to send media from one particular port after sending 183 Session In Progress response. I can achieve this using -mp parameter. But After sending 200 OK, I want to send media from different media port, which I can't as if I mention media port in scenario file, sipp sends media packets from port '0'.

How to solve this?

Dovydas Šopa
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Sivanandham
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1 Answers1

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In Media Description parameter,

183 Session Progress, you can give like this in sipp file. 

m=audio [media_port+2]  RTP/AVP 18

For instance, your running a sipp file with -mp 7896 media port, sipp file run play pcap file with 7898 port.

200 OK, Similarly 

m=audio [media_port+4]  RTP/AVP 18

Here also, sipp file play a pcap file with 7900 port.

Anbu
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