[VoiceOps] Verizon and E.164

Chet Curry CCurry at telovations.com
Wed Mar 16 16:15:12 EDT 2011

This is SS7 so there is no SBC in the mix.  We have a path to fix it yet my concern is they are not accepting E.164 properly and was curious how many other SS7 peers have this same issue

From: Alihan Arica [mailto:alihanarica at yahoo.com]
Sent: Wednesday, March 16, 2011 3:34 PM
To: Chet Curry
Subject: Re: [VoiceOps] Verizon and E.164

Hi Chet,

I believe that you can ask them to strip off the preceeding 1 and/or +1 from the incoming INVITE request on their Session Border Controller; I am pretty sure that your signal first hits their Session Border Controller and these boxes have such ability.

Sorry, I can not provide further more information since I don't like to commend any architecture that I did not work on before.
Hope this helps!
Alihan Arica
Overland Park, KC, USA

--- On Wed, 3/16/11, Chet Curry <CCurry at telovations.com<mailto:CCurry at telovations.com>> wrote:

From: Chet Curry <CCurry at telovations.com<mailto:CCurry at telovations.com>>
Subject: [VoiceOps] Verizon and E.164
To: "voiceops at voiceops.org<mailto:voiceops at voiceops.org>" <voiceops at voiceops.org<mailto:voiceops at voiceops.org>>
Date: Wednesday, March 16, 2011, 11:57 AM

Many carriers request that you send sip messaging using E.164 compliant #’s.  We have a TDM/SS7 peering to Verizon and we tried sending calls to them with the “Calling” # in E.164 format.

Unfortunately they see the call as International because there is a 1 prepending the 10 digit #.  This makes no sense to me as international starts as 011.   Has anyone had this issue with Verizon or any other carrier?

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