This seems to be PRIMARILY between ATT and VZW. I have been able to duplicate the symptoms between those carriers in several different BTA's on both coasts. There seems to be some minor Sprint involvement but the bulk is ATT-> VZW and VZW-> ATT ATT-> ATT and VZW -> VZW seems unaffected NOTE: My systems (approximately 300 nationwide) are all MO/MT based using cellular modems Aaron D. Osgood Streamline Solutions L.L.C P.O. Box 6115 Falmouth, ME 04105 TEL: 207-781-5561 MOBILE: 207-831-5829 ICQ: 206889374 GVoice: 207.518.8455 GTalk: aaron.osgood AOsgood@Streamline-Solutions.net http://www.streamline-solutions.net <http://www.streamline-solutions.net/> Introducing Efficiency to Business since 1986. From: Outages [mailto:outages-bounces@outages.org] On Behalf Of Kraig Beahn Sent: Monday, July 08, 2013 2:18 PM To: Steve Dispensa Cc: outages@outages.org Subject: Re: [outages] SMS issues Our NOC is also noting extended SMS delivery times for both ingress and egress, confirmed in recent testing as of a few moments ago (VZW<->ATT & ATT<>VZW). We are still in the process of testing other carriers now. Initial observations point to an issue at Syniverse, however we are still in the process of confirming such. If interested - we can keep you posted off-list as updates seem to be coming in every few minutes. Kindly, Kraig Beahn L2Networks Corp. On Mon, Jul 8, 2013 at 2:00 PM, Steve Dispensa <Steve.Dispensa@microsoft.com> wrote: We're seeing widespread issues getting SMS messages back and forth between various North American carriers. Informal testing between at&t and Verizon is failing, and we're seeing high fail rates delivering SMS in a number of contexts. One indication of problems from an SMS service: http://status.twilio.com/services/outgoing-sms Anyone else see anything or know what's up? -Steve _______________________________________________ Outages mailing list Outages@outages.org https://puck.nether.net/mailman/listinfo/outages