[OpenSER-Users] UDP/TCP failover in OpenSER

Antoine Fressancourt af.devlist at gmail.com
Tue Apr 22 17:32:34 CEST 2008


Hello list,

I have several questions about the support of TCP in OpenSER in
general, and about the switch/ failover from UDP to TCP in particular.

In my setup, I have several SIP clients registered to a single
OpenSER, and they exchange presence messages on a peer-to-peer basis.
When the presence document is complex, the size of the message sent
exceeds a given limit, and I want my message to be sent over TCP. My
clients are registered on the OpenSER, and the REGISTER has been sent
over UDP. From now, when client A sends a NOTIFY using TCP to client
B, the message is transported over TCP from A to the OpenSER, and is
transported over UDP from the OpenSER to B.

So here are my questions :
- How can I tell OpenSER to relay the message to B using TCP ?
- Do I have something particular to do while registering to tell
OpenSER that the client is listening in UDP and TCP ?

Thank you in advance for your answers,

Antoine




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