[Asterisk-Users] Modify CallerID (on SIP phone) during call

Michael Devenijn
2005-03-21T10:20:41Z

Is it possible to modify the caller id on the phone during a call (session) ?
If not does anybody know with which SIP request this could be handled ?

I'm know investigating RFC3311 which seems to offer an answer but if
somebody already has an answer ...

Michael