[asterisk-users] PRI timing settings

Don Kelly dk at donkelly.biz
Wed Aug 20 09:44:39 CDT 2014

For my NI2 PRIs I've always used 10 digits for everything and no +1





From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jeff
Sent: Wednesday, August 20, 2014 9:41 AM
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> 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


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.




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?



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