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Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000
3-4 www.polycom.com/videodocumentation
Configuring Video Call Preferences
To configure video call preferences:
1. Go to System Info > Admin Setup > Video Network > Call Preferences.
2. Configure these settings:
3. If you enabled both ISDN and IP calling, select Next and configure these
settings:
Setting Description
ISDN Video Calls (H.320)
(Quad BRI or PRI)
V.35 Video Calls
(V.35/RS-449/RS-530)
Allows users to place IDSN calls.
Allows users to place V.35 calls.
LAN/Internet Calls (H.323) Allows users to place IP calls.
Display IP Dialing
Extension
Adds a field to the Video Phone screen so you can enter
the H.323 extension separately from the gateway ID.
If you choose not to add a field for the extension, users can
either append the extension to the gateway number or use
the Tone Pad to enter the extension when the gateway
requests it.
Allow H.320 and H.323
Mixed Calls
Allows users to place and receive multipoint calls that
include both IP and ISDN sites. This choice is available
only if you allow both ISDN and LAN calls on this system.
Unchecking this option provides extra security for systems
requiring LAN connectivity while placing encrypted calls
over ISDN lines. If you clear this selection, IP endpoints
cannot join ISDN calls.
Setting Description
Primary Call Type Choice
Secondary call Type
Choice
Allows you to specify how to place calls to Directory entries
containing multiple numbers. You can also specify a call
type to use when the primary call type is not available.
If you choose Manual, the system prompts the user to
choose a call type.