have you look at syslog messages? Are there any errors? Between Kamailio
instances, tcp for sip should work. Check also configs to be sure UDP is
not enforced there.
On 22.02.18 12:40, Amar Tinawi wrote:
> 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 ?
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