Polycom viewstation fx vs4000 Manual De Usuario

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Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000
3-16
 www.polycom.com/videodocumentation
To set up PRI network support:
1.
Go to System Info > Admin Setup > Video Network > IMUX > PRI Network 
> PRI Setup.
2.
Configure these settings:
3.
Select Advanced PRI Setup and configure these settings:
Setting
Description
Line Signalling
Specifies the framing format in use. 
This setting is configurable for PRI E1, read-only for PRI T1.
CSU 
(PRI T1 only)
Specifies whether this system uses an external or internal 
Channel Service Unit (CSU).
Line Build Out 
(PRI T1 only)
For systems using an internal CSU, indicates the output 
attenuation in dB. Your service provider can provide you with 
these values.
For systems using an external CSU, indicates the length (in feet) 
of the RJ-45 cable that connects the PRI network interface module 
to the CSU. 
Switch Protocol
Specifies the Network switch protocol. The available choices are 
determined by the system’s country settings.
This setting is read-only for PRI E1, configurable for PRI T1.
Setting
Description
Restore Default
Resets all values on this screen. This does not affect other PRI 
settings.
Numbering Plan
Select the appropriate numbering plan for your location, if it differs 
from the default.
International 
Dialing Prefix
Specify the dialing prefix needed for international calls.
Call-by-Call
Specifies a code that the system sends to the telephone company 
switch to request a special service, if such a code is required. 
Consult your telephone service provider to determine the proper 
call-by-call value.