[cisco-voip] External Phone Number Mask

[Patrick Diener]

check how (number of digits / format) the caller ID is actually sent to the
Provider (e.g. debug isdn q931)
Depending on the Provider and the Services you have on your PSTN Trunk the
Provider will overwrite your caller ID if it is not recognized ( e.g. is not
out of the DID Range you have on the Trunk). Usually the Provider overwrites
the unknown caller ID with the main number of the PSTN Trunk...

Regards
Patrick

On 3/28/07, Nick Kassel <Nick.Kassel at charles-stanley.co.uk> wrote:
>
>  I have a situation where I have a DN that is call forwarded to a
> cell phone, we have a GSM gateway so all calls to cells route via that but
> do not display caller ID. I need the forwarding from this particular DN to
> foward to a cell and display the exact DN it was forwarded from. So I have
> set up a route pattern of the cell phone number to route calls via the PSTN
> gateway, this works fine and I can see the caller ID of the PSTN, however we
> only send caller ID of our main number. I have tried adding an external
> phone number mask to the line and setting the Use External Phone Number mask
> on the route pattern,  but I still only get the main number displayed. Can
> anyone advise how I can get this working.
>
>
>
>
>
>
>
>
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