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Additional phone features
150
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 IP
Phones are located. Contact your system administrator to see if these
functions are available for your use.
The Media Gateway 1000B (MG 1000B) IP Phone can operate in Normal
or Local Mode.
Normal Mode
The IP Phone registers with the Main Office and receives IP Phone
services from the Main Office. At any time while using 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 “Using Resume Normal Mode” on page 151) or wait
for 10 minutes.
Local Mode
If the WAN connection goes down, the IP Phone loses communication
with the Main Office TPS. It then registers with the MG 1000B and
receives IP Phone services from the MG 1000B. Features such as
Personal Directory, Redial List, and Callers List are not available when
operating in Local Mode. When in Local Mode, the IP Phone displays the
message LOCAL MODE.
Server
Unreachable (1)
Network problem. Notify system
administrator if the
problem persists.
Server
Unreachable (2)
Network problem. Notify system
administrator if the
problem persists.
Table 9: Troubleshooting Virtual Office (Part 3 of 3)
Displayed
Message
Probable Cause Actions