Call Conference - Yealink T46G Administrator's Manual

Yealink Skype for Business HD IP Phones Administrator Guide
Step
F29 200OK—User B to Proxy Server
F30 200OK—Proxy Server to User A

Call Conference

The following figure illustrates successful 3-way calling between Yealink Skype for Business
phones in which User A mixes two RTP channels and therefore establishes a conference between
User B and User C. In this call flow scenario, the end users are User A, User B, and User C. They
are all using Yealink Skype for Business phones, which are connected via an IP network.
The call flow scenario is as follows:
User A calls User B.
1.
User B answers the call.
2.
User A places User B on hold.
3.
User A calls User C.
4.
User C answers the call.
5.
400
Action
User B sends a SIP 200 OK response to the
proxy server. The 200 OK response notifies
User A that User B has received the BYE
request.
The proxy server forwards the SIP 200 OK
response to User A.
Description