Polycom ViewStation EX User Manual page 199

Chapter 6
Symptom
ISDN Line errors when using
SPID configuration
Error Message occurs when
dialing a video call.
© Polycom, Inc.
Cause
For ViewStation with BRI or DCP:
Go to the Numbers screen (System
Info > Admin Setup > Video
Network > Numbers) and check
the ISDN numbers are entered
correctly.
For ViewStation 128:
Go to the ISDN Video Network
screen (System Info > Admin
Setup > Video Network) and check
the ISDN numbers are entered
correctly.
The first line did not connect. It
cannot make a call if the first line
does not connect.
If it is an H.323 call, IP Gateway/
Gatekeeper is not operating or is not
configured correctly.
183
Troubleshooting
Solution
Enter correct SPID numbers.
Note: The AT&T point-to-point
protocol does not require SPIDs.
Check that all network cables are
properly connected. Restart the
system.
Contact your network administrator.
ViewStation User Guide