Choosing Call Quality Options - Polycom VSX 7000 Administrator's Manual

VSX 7000 Series Administrator's Guide

Choosing Call Quality Options

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4. If you selected ISDN switch protocol is AT&T 5ESS Multipoint, NI-1, or Nortel
DMS-100, select
provider.
After you enter the SPIDs, the system verifies them. If the system is unable to
verify the SPIDs, make sure the system is connected and that the ISDN
numbers you entered are correct.
If you do not have the SPIDs from your service provider, you can click Start to
Auto-Detect SPIDs.
The Call Quality options help you manage the network bandwidth used for calls
placed from the Directory. You can specify the default and optional call settings for
outgoing calls. You can also limit the call speeds of incoming calls.
1. Go to System > Admin Settings > Video Network > Call Quality.
2. If the system is configured for both IP and ISDN calls, specify the preferred call
type for calls from this system.
Specify Manual to allow users to choose the call type.
3. Select to go to Preferred Speeds and configure these settings:
Setting Description
Preferred speed for Specifies the default call quality to use for calls initiated from this
placing calls system. If the far-end system does not support this quality, the
system automatically negotiates a lower quality.
Depending on the system configuration, users can change the call
quality when they make a call.
Maximum speed for Specifies the maximum quality for calls to this system. Incoming
receiving calls calls above this quality are accepted at a lower speed.
4. Select and choose the Call Speeds to allow on this system.
and enter the ISDN BRI SPIDs provided by your service
www.polycom.com/videodocumentation