[OpenSIPS-Users] Query about RTP flow

[Nandini madhu]

Dear All,

I have read about SIP and RTP packet flows but ended with a question about
RTP packets flow logic between client-to client when the SIP session starts.
I have a running Opensips server on ubuntu platform which is also
configured fro DNS and DHCP servers.
And following is my test bed set-up:


Opensips server
                                                                 (DNS+
DHCP+Opensips)

     |
                                  Router <---------------------------->
Switch<----------------------------> Router
                                      |
                                                   |
                                  clientA <---------------------
RTP(audio/video) ? --------------------> client B

Now when the SIP session established (SIP Packets have to pass through all
the routers and switch to reach Opensips server), RTP session will start
between Client A and B. But What is meant by client to client here ?
what is the RTP packets path between the clients to reach their
destinations ?
Is the RTP packets have to pass through Routers and switch to reach its
destination client ? (i.e Client A--->Router 1---->switch -----> Router
2-----> client B)  ?
What if i connect both client A and client B to the same router ?

PS: I have not configured any media-relays (RTPproxy/Media-proxy)

Please help me in clarifying all this doubts.

Anybody's help will greatly appreciate.

Regards,
Nandini
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