Version 6.6 255 Mediant 2000
User's Manual 20. IP-to-IP Routing Application
e. Contact User = name that is sent in the SIP Request Contact header for this IP
Group (e.g., ITSP-B).
4. Define IP Group #3 for the IP-PBX:
a. From the 'Type' drop-down list, select Server.
b. In the 'Description' field, type an arbitrary name for the IP Group (e.g., IP-PBX).
c. From the 'Proxy Set ID' drop-down lists, select 3 (represents the IP address,
configured in , for communicating with this IP Group).
d. In the 'SIP Group Name' field, enter the host name that is sent in SIP Request
From\To headers for this IP Group (e.g., IPPBX).
e. Contact User = name that is sent in the SIP Request Contact header for this IP
Group (e.g., PBXUSER).
5. Define IP Group #4 for the remote IP-PBX users:
a. From the 'Type' drop-down list, select User.
b. In the 'Description' field, type an arbitrary name for the IP Group (e.g., IP-PBX).
c. In the 'SIP Group Name' field, enter the host name that is used internal in the
device's database for this IP Group (e.g., RemoteIPPBXusers).
d. From the 'Serving IP Group ID' drop-down list, select 3 (i.e. the IP Group for the
IP-PBX).
Note: No Serving IP Groups are defined for ITSP-A and ITSP-B. Instead, the
Outbound IP Routing table (see 'Step 9: Configure Outbound IP Routing' on page
259) is used to configure outbound IP call routing for calls originating from these ITSP
IP Groups.
20.2.6 Step 6: Configure the Account Table
The Account table is used by the device to register to an ITSP on behalf of the IP-PBX. As
described previously, the ITSP requires registration and authentication to provide service.
For the example, the Served IP Group is the IP-PBX (IP Group ID #3) and the Serving IP
Groups are the two ITSPs (IP Groups #1 and #2).
 To configure the Account table:
1. Open the Account Table page (Configuration tab > VoIP menu > SIP Definitions >
Account Table).
Figure 20-11: Defining Accounts for Registration
2. Configure Account ID #1 for IP-PBX authentication and registration with ITSP-A:
• In the 'Served IP Group' field, enter "3" to indicate that authentication is
performed on behalf of IP Group #3 (i.e., the IP-PBX).
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