MCK pbxgateway Administrator's Manual page 199

Troubleshooting
Management Interface (MI) Status Menus
RVP_DIRECT Menus
Port Status
Look for:
•
Significant "NC" values on any phone port. This value indicates that the
port is enabled but there is a bad connection between the Remote unit
and the phone or the PBXgateway and the PBX.
Figure 6.6 Port Stats
Issue 2.1 December 1999
6-28