Showing original caller number when forwarding to other extension


when an external calls enters and is attended by a first person, the callerid number is displayed on his phone.
The call is then transferred to a second interlocutor. Usually it is an attended transfer. The extension of the first person is displayed on the second person’s phone.

1st person hangs up. The call is transferred.

Is it possible to show the external callerID now on the second person’s display?


If, for the second person’s extension (assuming pjsip), Send Connected Line is Yes and Send RPID matches what the device is set to display, it should work.

If it doesn’t, use pjsip logger to see whether the original caller’s number is being sent to the second person.

Note that these settings sometimes have undesired side effects, so the cure might be worse than the disease.

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