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Chapter 2 Optional Configurations
ViewStation User Guide 46 www.polycom.com
Call Preference
The Call Preference screen (System Info > Admin Setup > Video
Network > Call Preference) shown in Figure 2-15 determines how
a video call is made. The two types of calls made are:
• ISDN Video Calls (H.320)
• LAN/Internet Calls (H.323)
ISDN Video Calls (H.320):
• Checked: Enables ISDN videoconferencing on the
ViewStation.
• Not Checked: Disables ISDN videoconferencing ability on
the ViewStation
.
Figure 2-15. Call Preference Screen
LAN/Internet Calls (H.323):
• Checked: Enables H.323 videoconferencing on the
ViewStation.
• Not Checked: Disables H.323 videoconferencing on the
ViewStation.
• Display IP Dialing Extension: The IP dialing extension is
used if a ViewStation uses the Global Address Book (GAB).
Checked: The E.164 dialing extension is displayed when
a video call is initiated in H.323 calls.