> > > > I'm still a bit confused. With RFC3261 should retransmits be used over > reliable transports? > > I have seen SIP-I (SIP with ISUP encapsulation - ITU-T Q.1912.5 or ANSI T1.679) requests/responses retransmitted even over reliable transports like SCTP. Most often, its driven by operator needs.
However, care should be taken that SCTP retransmission timers are larger than SIP retransmission timers by a system engineered factor, otherwise there might a flood of both transport/application layer retransmissions. -- Regards Harsha _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
