Wouldn't is be cause code 1, unallocated number? http://www.dialogic.com/webhelp/img1010/10.5.2/webhelp/General_Reference/def... On Oct 20, 2015, at 21:38, Alex Balashov <abalashov at evaristesys.com> wrote: ?Hello, Are there ISUP cause codes for disconnected numbers? And if so, do there exist established mappings for them to SIP? I've never seen this present from any SIP termination gateway. As far as I know, disconnects are expressed in in-band audio service announcements fed backward via early media, followed ?by a rather generic SIP negative final response and reason. However, I'd be remiss not to ask! Thanks! -- Alex Balashov | Principal | Evariste Systems LLC 303 Perimeter Center North, Suite 300 Atlanta, GA 30346 United States Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ Sent from my BlackBerry. _______________________________________________ VoiceOps mailing list VoiceOps at voiceops.org https://puck.nether.net/mailman/listinfo/voiceops