Microsoft—Polycom Meeting Scenarios
The Join the Conference dialog box opens in the Conversation window.
2The IM session organizer can select / specify a callback number / address to be used by the system, or selects Computer to use the audio/video device used by Office Communicator itself.
The IM session organizer can select any other SIP, ISDN, PSTN, H.323 device to be called back by the MGC.
3Click the Go button.
A SIP REFER request is sent to the conferencing server (MGC) with the user's callback address.
While being "referred" and until the dial out from the MGC to the participants happen, the "Calling…" status indication is displayed in the IM session organizer Office Communicator client.
4All other IM buddies get an invitation in their Office Communicator IM pane, with PSTN
Each invitee can now select between dialing manually into the conference or having the conferencing server dial back to the selected conferencing device. Users are able to select any device for their media participation in the conference including their PSTN phone, ISDN video endpoint, a SIP UA (that can be their OC client) or an H.323 video device.
