Polycom Viewstation MP - Manual (Page 31)

Placing and Answering Calls
31 ViewStation User’s Guide
Adding a Telephone Call to a Video Call
If you have an analog telephone line connected to the back of your ViewStation,
you can add a third party to your video call. Third-party audio is only available
in the United States and Canada.
1. Once your video call is connected, press the CALL•HANG-UP button on
the remote and the following screen will appear. Highlight the Add
Speakerphone Call icon and press the SELECT button on the remote.
2. When the Telephone screen appears, use the numeric keypad on the remote
to enter the phone number of the new party, and press the SELECT button.