Using Media Gateway 1000B - Nortel 1110 User Manual

Table 8: Troubleshooting Virtual Office (Part 3 of 3)
Displayed Message
Server Unreachable
(2)
VOUD configured on
TN

Using Media Gateway 1000B

The Media Gateway 1000B (MG 1000B) provides a means of extending
CS 1000 Release 4.5 features to one or more remotely located branch
offices using the Branch Office feature. A branch office is a remote
location in the network where IP Phones, PSTN access, and TDM
telephones are located. Contact your system administrator to see if these
functions are available for your use.
The Media Gateway 1000B (MG 1000B) telephone can operate in Normal
or Local Mode.
Normal Mode
The telephone registers with the Main Office and receives telephone
services from the Main Office. At any time during Normal Mode, you can
check Local Mode functionality (make and receive calls) by enabling
Local Mode and returning to Normal Mode. After testing, you can return to
Normal Mode (see
waiting for 10 minutes.
Local Mode
If the WAN connection fails, the IP Phone loses communication with the
Main Office Telephone Preference Service (TPS). It then registers with
the MG 1000B and receives telephone services from the MG 1000B.
When in Local Mode, the telephone displays the message LOCAL
MODE.
This section provides more information on the following topics:
Probable Cause
Network problem.
Remote IP Phone
does not have VOUA
Class of Service.
"Using Resume Normal Mode" on page
Additional phone features
Actions
Notify system
administrator if the
problem persists.
Notify system
administrator.
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