Address map name: Enter a name for the address map for calls from the PBX.
Rule name: Enter a name that describes the address map rule. This name will be
displayed on the main configuration page.
Under Called Address rules, configure the following parameters:
Address Condition in the Calling address rules section: Enter ^[0-9].
*
. This
expression matches all calls from the PSTN.
Address Result in the Calling address rules section: Enter the 0 (zero), so that
it is added in the output, followed by the $&, which adds the incoming number
after the 0.
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