Polycom GlobalManagementSystem User Manual page 125

Appendix
System Information Window
Network Stats Tab
This window is only active during a call. The Network Statistics screen describes the video and
audio protocols used and the rates at which a call travels over the network and to the party you
are calling. If the ViewStation is not in a call, the statistics will appear as dashes.
Global Management System User's Guide
Field Description
B1
Tx Clock Rate Transmission rate
Rx Clock Rate Receiving clock rate
Errors The number of CRC errors that
have occurred during the current
call
Sync The number of synchronization
errors that have occurred during
the current call
Video Protocol The current video protocol in use
(H.261, H.263, etc.)
Video format The format of the video data
(QCIF, FCIF, etc.)
Audio Protocol The current audio protocol in use
(G.711, G.722, G.728, etc.)
Comm Protocol The communications protocol in
use (H.221, H.223, etc.)
ViewStation
-
B2
Transmission rate
Receiving clock rate
The number of CRC errors that
have occurred during the current
call
The number of synchronization
errors that have occurred during
the current call
The current video protocol in use
(H.261, H.263, etc.)
The format of the video data
(QCIF, FCIF, etc.)
The current audio protocol in use
(G.711, G.722, G.728, etc.)
The communications protocol in
use (H.221, H.223, etc.)
Appendix 120