A somewhat brut force method I use is to add a rule to the digitmap or digit pattern in the phone itself. For example, an unprovisioned phone that loads the generic config file, of any supported manufacturer, off our tftp server ends up with a digitmap file that sends all calls to a specific helpdesk number. It doesn't matter what digits this type of user presses all calls get sent to the help desk so they can be provisioned.

Once provisioned loading the generic config file loads the same digitmap file but now the phone also gets a phone specific config file. This file specifies the "provisioned user" digitmap file that overwrites the generic one. In the "provisioned user" digitmap file we rewrite 511 and 911 to be our local Safety Office phone number.

This approach prevents an unprovisioned phone from mangling the service yet attempts to help the call get provisioned. At the same time a provisioned user doesn't need to think about where emergency calls go. We tell them in the phone config (we also check the called number in the proxy for extra measure).

Java Rockx wrote:

Hi All.

When someone dials 411 I want to rewrite the request before sending it out to the PSTN gateway.

For example if my SIP phone user name is 4071234567 and I dial 411 I want to send the request out to the PSTN gateway as 4075551212 for directory assistance so that the subscriber's __local__ directory assistance is dialed.

How can I do this using -dev23?

Regards, Paul

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