To provide telephony services, the TGM550 must be registered with at least one Media Gateway Controller (MGC). You can configure the IP addresses of up to four MGCs that the TGM550 can connect to in the event of a link failure. For more information, see Media Gateway Controller.
In addition to configuring the MGC list from a J-Web Quick Configuration page (see Table 106) and the JUNOS CLI, you can log in to the TGM550 and configure the list. For more information, see the Administration for the Avaya IG550 Integrated Gateway.
This section contains the following topics: