It appears that you want the ability for someone to place a call on behalf of someone else, and transfer to him/her while ringing remotely.
If so, I think the procedure is first call or be called by "someone else", then initiate a blind transfer to the third party.
I agree that even transferring a new call while alerting would be useful for example when an operator is making attempts to reach a busy destination on behalf of someone else, and transfer before answered.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...