[SR-Users] Kamailio ims with TCP

[Amar Tinawi]

Hello list

For some reason i couldn't register on kamailio ims when i use only TCP
protocols between nodes, the error was solved when i enabled UDP between
I-CSCF and S-CSCF


is it mandatory for those two nodes to talk over UDP only ? or i'm missing
something ?
and in general for sip protocol which is better ? UDP or TCP ?


Regards,
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