ZyXEL Communications 2864I - Manual (Page 136)

System Maintenance 123
and Session information messages. Some examples of these
messages are shown below:
Call Information Messages:
line 1 channel 1, call 41, C01, Incoming Call, 40001
line 1 channel 1, call 41, C01, ANSWER Connected, 64K 40001
line 1 channel 1, call 41, C01, Incoming Call, Call
Terminated
Error Information Messages:
line 1, channel 1, call 44, E01, CLID call refuse
line 1, channel 1, call 45, E02, IP address mismatch
Session Information Messages:
line 1, channel 1, call 41, I01, IPCP up, 306L
line 1, channel 1, call 41, I01, IPCP down, 306L
Diagnostic
The diagnostic functions on your Prestige allow you to test aspects
of your device to determine if they are working properly. The
following list provides a short description to the types of diagnostic
tests available to your system.
Figure 14-6 Menu 24.4 - System Maintenance - Diagnostic