caller-id-passthrough

  1. Forwarding calls does not pass originator caller-id.

    Running 3CX version 16.0.641 65x Yealink T41S phones. When a user forwards calls to their mobile, the number (caller ID) appearing on their mobile is the HQ trunk number and not the originating caller-id. I contacted the SIP provider about this (Colt) and they provided the below guidance. If...

  2. Forwarding CallerID to mobile (Caller-ID-Passthrough)

    It's been asked a few different ways, but I couldn't find reference to the response I got from our SIP provider (CallCentric). When forwarding unanswered calls to mobile, we want to pass the external callerID to our mobile -- we're not having any issue passing correct CallerID on our trunks...
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