Well, that's widespread enough that even Kamailio's TM has an option for it: ?http://kamailio.org/docs/modules/4.3.x/modules/tm.html#tm.p.disable_6xx_bloc... -- 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. ? Original Message ? From: Brooks Bridges Sent: Wednesday, October 21, 2015 14:14 To: VoiceOps Subject: Re: [VoiceOps] Disconnected numbers and SIP "6xx codes are supposed to be used to indicate definitive knowledge that a number can't be reached by any other means globally." Yet vendors build hardware that still route advances on a 6XX... (yes, I'm looking at you, Sonus) *grumble* Brooks Bridges | Sr. Voice Services Engineer O1 Communications 5190 Golden Foothill Pkwy El Dorado Hills, CA 95762 office: 916.235.2097 | main: 888.444.1111, Option 2 email: bbridges at o1.com |?web: www.o1.com -----Original Message----- From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Alex Balashov Sent: Wednesday, October 21, 2015 11:04 AM To: Peter E Cc: VoiceOps Subject: Re: [VoiceOps] Disconnected numbers and SIP I see 404 fairly commonly used to indicate "I don't have a route for this". 6xx codes are supposed to be used to indicate definitive knowledge that a number can't be reached by any other means globally. -- 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 _______________________________________________ VoiceOps mailing list VoiceOps at voiceops.org https://puck.nether.net/mailman/listinfo/voiceops