Sip Trunking with service provider question SDP

[motard]

Hello.
when I make a tracer to a sip call from an IP Phone ( 5312 ) towards a SIP service provider, the ip address of the phone is sended in SDP. Is there any way to send as the origin the Controller´s IP in the SDP instead of the phone´s ip address ?
Thanks beforehand.

 

[IrwinMFletcher]

Not if you want the stream to go to the phone...or am I missing the question? What is it you're trying to accomplish?

 

[motard]

Hello Irwin
Force the RTP pass through the 3300.

 

[IrwinMFletcher]

Not possible. Unless you create a conference with another endpoint.

What's your idea/motivation for doing this?