Chapter 6
Troubleshooting
ViewStation User Guide
182
www.polycom.com
Network and Communications
Symptom
Cause
Solution
ISDN: Error Message when
dialing a video call.
ISDN error code received from the
ISDN line.
See
“ISDN Information”
on page
203.
ISDN: When placing a call,
progress icons do not turn
green.
Call Progress
icons indicate that
the video call did not complete.
The
Call Progress
icons indicate
the call state when placing or
receiving a video call on each ISDN
channel:
1/4 Blue
-
Ringing.
1/2 Yellow - Call connected and is
ringing at the far site.
3/4 Orange - Negotiation.
Full Green - Connected.
Go to the
Call Status
screen.
Highlight each of the circles for each
of the channels dialed. The numbers
dialed for each channel are
displayed as you highlight the
corresponding circle. Make sure that
the far site has entered the number
for each ISDN line correctly. See
“ISDN Information”
on page 203.
System is waiting for an IP
address.
System Info
screen
shows “waiting” in IP address
field.
LAN or DHCP server is not
operating.
Check connections to the LAN.
Contact your network administrator.
ISDN:
Line Status
icons do not
go away so video calls cannot be
made.
ISDN line is not present.
Check the ISDN line connections.
ViewStation is directly connected to
a U interface.
Install an NT-1 between your ISDN
line and the ViewStation ISDN
connection.
Summary of Contents for VIEWSTATION
Page 1: ...ViewStation User Guide ViewStation User Guide November 2001 Edition 3725 10755 001 ...
Page 2: ......
Page 12: ...ViewStation User Guide xii www polycom com ...
Page 16: ...Preface How To Use This Guide ViewStation User Guide xvi www polycom com ...
Page 148: ...Chapter 3 Using the ViewStation ViewStation User Guide 132 www polycom com ...
Page 186: ...Chapter 4 Using the ViewStation with a PC ViewStation User Guide 170 www polycom com ...
Page 192: ...Chapter 5 System Information and Diagnostics ViewStation User Guide 176 www polycom com ...
Page 218: ...Appendix C V 35 Technical Information ViewStation User Guide 202 www polycom com ...
Page 226: ...Appendix D ISDN Information ViewStation User Guide 210 www polycom com ...
Page 230: ...Chapter E Optional Equipment Configuration ViewStation User Guide 214 www polycom com ...