User’s Guide for Polycom HDX Systems and the Polycom Touch Control
Including Multiple Sites in Calls
During a multipoint call, multiple sites can see and hear each other. You can also share content in a multipoint call, just as you can in a
All systems can participate in multipoint calls. To host multipoint calls, your system must have optional software installed. You can host multipoint calls using a video conferencing system with multipoint capabilities, or you can use a bridge such as the Polycom RMX 1000, Polycom RMX 2000, or Polycom MGC™.
If your multipoint calls disconnect after 5 minutes, your system might be set up for the multipoint trial. To do untimed multipoint conferences, a multipoint key must be installed. Contact your administrator for assistance.
Placing a Multipoint Call
How you place a multipoint call depends on whether you’re using a Polycom HDX system with multipoint capabilities or a bridge such as the Polycom MGC or Polycom RMX conference platform. The number of sites allowed in the call is determined by the capabilities of the system or bridge hosting the call. The call can include any combination of IP H.323, SIP, ISDN, V.35/Serial, and
To place a multipoint call by adding sites to a call:
1Call the first site.
2When the call connects, touch Add Call from the call screen.
3Place a call to the next site. For more information, refer to Placing a Call on page 4.
4Repeat steps 2 and 3 until all sites are connected.
To place a multipoint call using a directory group:
1From the Home screen touch 
Search the Directory.
2 Touch a group folder in the directory list.
Depending on how your system is configured, it attempts to call the group using a
To place a cascaded multipoint call:
1Call a group from the directory, or place calls one at a time to several other sites. For more information, refer to Placing a Call on page 4.
2Ask each site to call additional sites.
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