[asterisk-users] PRI timing settings

[Eric Wieling]

NXXNXXXXXX is the correct format of CallerID numbers in NANPA.   The leading 1 is not part of any NANPA phone number.   Toll free "area codes" are also not valid for CallerID.

From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jeff LaCoursiere
Sent: Wednesday, August 20, 2014 2:41 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] PRI timing settings

On 08/20/2014 07:58 AM, Scott L. Lykens wrote:

On Aug 19, 2014, at 5:56 PM, Jeff LaCoursiere <jeff at jeff.net<mailto:jeff at jeff.net>> wrote:


I wrote earlier today about a new PRI installation in the Caribbean, where all outbound calls are functioning fine *except* calls to Sprint phone numbers, which get rejected immediately as "busy".

I don't know what expectations for CLID your carrier might have, or for that matter the upstream carrier, however, we found through our CLEC here in the US that while the CLEC was happy to take e.164 formatted numbers from us as CLID, Global Crossing would reject them further upstream resulting in our calls to many toll frees being rejected.

Switching to 10 digit CLID on all outbound calls through that PRI solved the problem.

I don't know if this is your problem but be sure your CLID is in the most simple format possible for your region to help rule it out.

sl


This makes me curious... what *is* the simplest format possible for NANPA numbers?  I'm sure there must be a spec to conform to.  Can anyone point me to it?

Cheers,

j
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