bahan...@hotmail.de wrote:
> Hi,
>
>
> I am sorry. Same Email with Subject.
>
> I am newcomer in SIP and Kamailio Wold an have a question.
>
> I have two IP Telefones and would like to realize with Kamailio
What is Kamailio?
> an IP Communication. The Problem:
>
> a. The UA 1 calls UA 2
> b. UA 2 start recording the video form UA 1, before a SIP call is established
> (early media)
> How can I do that? Can anybody help me or can give me Info about example
> application.
From a sip perspective this is simple:
- The UAC includes an SDP offer in the INVITE,
- the UAS may start transmitting early media toward the UAC
as soon as it receives the INVITE with the offer
- the UAS includes an SDP answer in the 180 response,
- the UAC may start transmitting early media toward the UAS
as soon as it receives the 180 with the answer
Thanks,
Paul
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