Polycom 1 - Manual (Page 121)

Statistics and Diagnostics
11 - 3
Call Statistics
Diagnostic Screen Description
Call Status
(system only) Displays call type, data speed, and number dialed for the
current call. You can highlight the spheres on this screen
to see the number dialed, the relevant status code, and
details of any errors.
In ISDN calls, this screen also displays connection status
for each channel.
In calls placed through a V.35/RS-449/RS-530 network
interface, this screen displays the states of these signals:
•
DTR
• RTS
• CTS
• DSR
• DCD
• RI
Bright indicators show high signals; dim indicators show
low signals.