Nov. 28, 2016
12:23 p.m.
I'm going to guess it's a correlate to '488 Not Acceptable Here' or '503 Service Unavailable', and that the '(88) INCOMPATIBLE_DESTINATION' is a Q.850 cause given in a Reason header on that 503 or 488: https://support.sonus.net/display/VXDOC/Mapping+Q.850+to+SIP+Responses -- Alex -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 (direct) / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/