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IP Telephone Registration
The IP phone's extension number and password must be configured in Communication
Manager and the individual phones. When the IP phone attempts to register with the G150, it is
added to G150's extension plan and configuration file.
To enable the support of IP phones at the G150 site, the following procedures are strongly
recommended:
1. Configure G150 Media Gateway to act as a DHCP server. See
Network & Communication Manager
2. Plug the IP telephones into the ethernet ports (labeled LAN 1, 2, 3, 4 etc.) on the front of the
G150. Each phone gets assigned an IP Address supplied via DHCP. It is recommended that
if IP phones are used, the G150 should also be configured to act as a DHCP server to
ensure the phones do not lose connectivity when the system goes into survivable mode.
3. Once the phone receives its DHCP information from the G150 and has confirmed that it has
the latest firmware, it will prompt for an extension number and password. This information
should match that entered on the Communication Manager. Enter the information for that IP
phone via the phone dial pad.
The same password is administered in three places during the configuration of G150.
Administered on the PBX station form
Administered on the Manager application via the User form
Administered on the the IP telephone parameter list
It is important that the customer not change this password without ensuring that the
supporting communication system has also been updated. Failure to do so may prevent the
the IP telephone from registering correctly either in subtending or survivable mode.
If connection to the Primary Gatekeeper is unavailable, G150 provides IP phones at its site with
gatekeeper addresses it has on Manager's Subtending Host List. G150 enters its own IP
address as the last one on the list, thus assigning the G150 as the final fallback gatekeeper.
Note:
Immediately after a power up or reset, the IP phone does not display the date or
Note:
time because it does not yet have the information. Once the IP phone is
registered and has the necessary data, the display will be updated.
in Chapter 3 for additional information.
Telephone Support
Connecting G150 to the
Issue 1 June 2005
179
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