Isn't the issue here that remote survivability wouldn't work?  I currently have 
my dial plans set to handle dropping prefixes - but had considered/dreaded 
putting that on the gateway to enable outbound dialing in the event the phones 
couldn't reach the sipx server.

-----Original Message-----
From: sipx-users-boun...@list.sipfoundry.org 
[mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Picher, Michael
Sent: Wednesday, May 19, 2010 9:46 PM
To: Scott Lawrence; sipx-users@list.sipfoundry.org
Subject: Re: [sipx-users] +1 Dialing ITSP with incoming +1 Caller ID Problem

Yes, this is generally an easier method to manage the system.  Keep the 
gateways as simple and similar as you can (sometimes that is unavoidable... ).



-----Original Message-----
From: sipx-users-boun...@list.sipfoundry.org
[mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Scott Lawrence
Sent: Wednesday, May 19, 2010 9:15 PM
To: sipx-users@list.sipfoundry.org
Subject: Re: [sipx-users] +1 Dialing ITSP with incoming +1 Caller ID Problem

On 2010-05-19 11:26, Tony Graziano wrote:
> I think you miss his point. Dialing from the "missed calls" on the
> handset shows the +1 (and 10 digits) on the display. The outbound call

> fails because +1 is ALSO being added  at the gateway. Not all carriers

> do this, not all phones display the +1 properly either.
>
> His question is a simple one, and in this case has a simple answer,
> but not everyone encounters it.
>
> In his case, a dial plan rule to see "+1" and <10digits> needs to
> strip the <+1> and send the matching suffix to the gateway, which will

> add it back, but not DUPLICATE it showing "+1+1<10digits>".

An even simpler approach is to not make any change to numbers in the gateway 
and let the proxy do all manipulation of the address.  Then it's

easy to make a set of rules that covers whatever cases you need, and you

only have one place to look to debug any routing problem.

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