[Spce-user] Peering Rule callee pattern NOT allow a number

Daniel Grotti dgrotti at sipwise.com
Sun Oct 29 03:50:10 EDT 2017

This can be done by following the rules in handbook. You should find a chapter talking  about emergency numbers.
You should use the special "emergency_" prefix during the inbound rr for callee(associated to your domain/subscribers), and you prefix the 911 with emergency_911. This tells spce to skip some checks and to deliver the Ecall ASAP to the peering. 
Then you will have your special peer handling only Ecall with the peering rule:

Caller prefix: emergency_

So emergency calls will match ONLY that peer and not others.

Last thing you do is to remove the emergency_ prefix by your callee number using the outbound rr for callee associated to your peer. 

Hope this helps.


Sent from my iPhone

> On 29 Oct 2017, at 02:05, William Fulton <wfulton at thirdhatch.com> wrote:
> Stephen,
> We have accomplished this by adding a peering rule to our E911 carrier with blank callee prefix and pattern, and 911 in the caller pattern. We named the rule Emergency Rule.
> We also control the ability to dial 911 at the PBX level, by pattern matching on Asterisk.
> This has worked for us for a few years now. I am certainly open to other precautions and protection we can put in place since rouge 911 calls can be costly.
> Cheers,
> Bill
> From: Spce-user [mailto:spce-user-bounces at lists.sipwise.com] On Behalf Of Stephen Donovan
> Sent: Saturday, October 28, 2017 5:36 PM
> To: Spce-user <spce-user at lists.sipwise.com>
> Subject: [Spce-user] Peering Rule callee pattern NOT allow a number
> Is it possible to specifically NOT allow a call to go out a peer?   Example, I want to block 911 from going out anywhere but the one trunk that handles E911 for me.
> _______________________________
> Stephen Donovan
> Owner
> Belzoni Cable, LLC
> SIP Solutions, LLC
> 16014 US Hwy 49
> Belzoni, MS 39038
> 662-247-3502 direct
> stephen at belzonicable.net
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