[Asterisk-Users] CallerID retain on internal transfer

Wed May 17 05:45:02 MST 2006

Steve Davies wrote:

> In the cases previously mentioned, the user is doing an attended
> transfer using the handset features, and not Asterisk. I do not know
> whether SIP even allows the Caller ID to be changed at the point when
> two separate calls are bridged to one...

It does, but Asterisk does not currently support that behavior (even in
the development branch). I believe Olle's SIP transfer re-write may
provide this functionality when Asterisk 1.4 is released, but I am not
positive.