The other thing you can do that I did for another school district is just
program the gateway not allow calls without a caller-id.  ;-)

Mike

On Mon, Feb 6, 2012 at 8:42 AM, Michael Picher <[email protected]> wrote:

> I can't think of a good way to do this.
>
> I'll theorize something that might work if you don't have too many inbound
> lines...
>
> The gateway could, for each individual line, ring a different user that
> would be present on an operator's phone.  Then you would know what line a
> call came in on.
>
> To dial out, you could program an access code based on that line number
> that would be passed to the gateway that would then trigger outbound
> routing to route out a particular trunk group.  Your trunk groups would all
> have one line in them.
>
> This same principle would work for AudioCodes or Patton.  I think in the
> Patton you could get around having multiple lines by having the Patton
> rewrite the FROM information to have it just display the line #.
>
> Mike
>
>
>
> On Mon, Feb 6, 2012 at 7:47 AM, Shawn Beard <[email protected]> wrote:
>
>> I need to figure out if there is a way to reliably initiate a *57 call
>> trace. We need to use it for things like threatening phone calls . Doing a
>> *57 allows the local law enforcement to get caller info from the phone
>> company. The *57 has to be dialed after hanging up from the call so you
>> have to be sure that you grab the SAME outside line that the call came in
>> on. I have multiple lines pooled together so grabbing the same line
>> doesn't usually happen. Does anyone know if there is a way to accomplish
>> this ? On our old system the line card port id was displayed on the phone
>> and we were able to dial a prefix and then the line ID so we got back on
>> the same line.
>>
>>
>>
>>
>>
>>
>> On 2/5/12 9:13 PM, "[email protected]"
>> <[email protected]> wrote:
>>
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>
> --
> Michael Picher, Director of Technical Services
> eZuce, Inc.
>
> 300 Brickstone Square****
>
> Suite 201****
>
> Andover, MA. 01810
> O.978-296-1005 X2015
> M.207-956-0262
> @mpicher <http://twitter.com/mpicher>
> www.ezuce.com
>
>
> ------------------------------------------------------------------------------------------------------------
> Hope to see you at the sipX CoLab! http://www.sipfoundry.org/sipx-colab
> A gathering for - open source users, eZuce customers & eZuce partners
> Get the inside track on 4.6 and a glimpse at the future of sipXecs!
>
>


-- 
Michael Picher, Director of Technical Services
eZuce, Inc.

300 Brickstone Square****

Suite 201****

Andover, MA. 01810
O.978-296-1005 X2015
M.207-956-0262
@mpicher <http://twitter.com/mpicher>
www.ezuce.com

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