SIP User's Manual 196 Document #: LTRT-83310
Mediant 600 & Mediant 1000
To configure IP Groups:
1. Open the IP Group Table page (Configuration tab > VoIP menu > Control Network
submenu > IP Group Table).
2. Configure the IP group parameters according to the table below.
3. Click Submit to apply your changes.
4. To save the changes to flash memory, see 'Saving Configuration' on page 482.
Table 14-3: IP Group Parameters
Parameter Description
Common Parameters
Type
[IPGroup_Type]
The IP Group can be defined as one of the following types:
[0] SERVER = used when the destination address (configured by
the Proxy Set) of the IP Group (e.g., ITSP, Proxy, IP-PBX, or
Application server) is known.
[1] USER = represents a group of users (such as IP phones and
softphones) where their location is dynamically obtained by the
device when REGISTER requests and responses traverse (or are
terminated) by the device. These users are considered remote (far-
end) users.
Typically, this IP Group is configured with a Serving IP Group that
represents an IP-PBX, Application or Proxy server that serves this
USER-type IP Group. Each SIP request sent by a user of this IP
Group is proxied to the Serving IP Group. For registrations, the
device updates its internal database with the AOR and contacts of
the users.
Digest authentication using SIP 401/407 responses (if needed) is
performed by the Serving IP Group. The device forwards these
responses directly to the SIP users.
To route a call to a registered user, a rule must be configured in the
Outbound IP Routing Table table (see Configuring Outbound IP
Routing Table on page 271). The device searches the dynamic
database (by using the request URI) for an entry that matches a
registered AOR or Contact. Once an entry is found, the IP
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