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Thread: Forwarding call externally shows extension for the CallerID

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    Default Forwarding call externally shows extension for the CallerID

    I'm sure this is Call Routing table related, but cant seem to figure it out.

    When calling external normally from an IP phone, the callerid of the main line shows up.
    When an extension is forwarded (via Caller ID services) to and external number, the caller id shows the extension forwarding, for example, forwarding from extension 108 shows " +1 (1)08 ".

    The main problem is cell carrier T-Mobile seems to block calls with incomplete callerid.

    Ideally, it would be great if the callerid shown when forwarding an incoming call to an external number is the original callers callerid, but acceptable if we could get it to show the main number in the caller id.

    Thanks,
    Jason
    Last edited by jason.c; 07-07-2020 at 02:26 PM.

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