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On HOld Call feature

Jan 4, 2013 at 9:17 PM
Edited Jan 5, 2013 at 12:04 AM


I want to implement the on Hold call feature in Softphone code. The approach i am going to use is when user press the hold button i want to send the sip invite again with all the info and just changing the SDP info with  ip add to and port to 0. But i am not able to figure where the rest of info is saved like call id etc.

Can anyone help on this.




Feb 12, 2013 at 9:47 AM
Instead of changing IP address and port in SDP, both parties should use a=inactive or a=sendonly
Session Initiation Protocol Service Examples - 2.1. Call Hold