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Chapter 3: Configuring the G150 Media Gateway
This chapter covers the procedures for configuring a G150 Media Gateway and remote accesss
setup. Once the hardware components and Manager have been installed, the G150 can be
configured.
Configuring the G150 Media Gateway to interact with the Communication Manager requires
configuring the Communication Manager for the G150 and configuring the G150 to recognize
and connect to the Communication Manager. This section covers configuring all variants of the
G150 via the Manager application software (on the Administration CD supplied with each
system). Once loaded, Manager has context sensitive help files that provide information relating
to the configuration fields.
G150 Media Gateway Overview
The G150 Media Gateway works with a Communication Manager to form a single distributed
system. The system's primary functioning mode is refered to in this documentation as
"sub-tending" mode. Sub-tending mode is defined as the following:
An established connection between the G150 and Communication Manager.
The G150 operates as an H.323 gateway that is managed by the Communication
Manager Feature Server, in accordance with the Communication Manager Remote Office
feature group.
Control of trunks is via the Communication Manager.
All telephone features and functions are driven by the Communication Manager.
In the event that the connection to Communication Manager becomes unavailable for any
reason - WAN, LAN or equipment failure - the G150 attempts to register against an alternative
CLAN or Processor CLANs. If no alternative gatekeeper is available, the G150 changes from
sub-tending to survivable mode. In survivable mode, G150 acts as a stand-alone sytem where
all trunking and telephone functions are provided locally. The G150 becomes a gatekeeper and
handles calls using its own local call routing/dial plan configuration. In survivable mode, G150
provides the following features to its registered users and directly connected telephones while
attempting to re-register to the gatekeeper:
Internal and External Calls
CLI/ANI Display
Hold
Supervised Transfer
with Manager
Issue 1 June 2005
85
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