SIP User's Manual  370  Document #: LTRT-83310 
  Mediant 600 & Mediant 1000 
4.  Configure Proxy Set ID #3 for the IP-PBX: 
a.  From the 'Proxy Set ID' drop-down list, select 3. 
b.  In the 'Proxy Address' column, enter the IP address of the IP-PBX (e.g., 
10.15.4.211). 
c.  From the 'Transport Type' drop-down list corresponding to the IP address entered 
above, select UDP". 
d.  In the 'Enable Proxy Keep Alive' drop-down list, select Using Options – this is 
used in Survivability mode for remote IP-PBX users. 
Figure  18-53: Proxy Set ID #3 for the IP-PBX 
 
 
18.9.2.5  Step 5: Configure the IP Groups 
This step describes how to create the IP Groups for the following entities in the network: 
  ITSP-A SIP trunk 
  ITSP-B SIP trunk 
  IP-PBX 
  IP-PBX remote users 
These IP Groups are later used by the device for routing calls. 
  To configure the IP Groups: 
1.  Open the IP Group Table page (Configuration tab > VoIP menu > Control Network 
submenu > IP Group Table). 
2.  Define IP Group #1 for ITSP-A: 
a.  From the 'Type' drop-down list, select SERVER. 
b.  In the 'Description' field, type an arbitrary name for the IP Group (e.g., ITSP A). 
c.  From the 'Proxy Set ID' drop-down lists, select 1 (represents the IP addresses, 
configured in , for communicating with this IP Group). 
d.  In the 'SIP Group Name' field, enter the host name sent in the SIP Request 
From\To headers for this IP Group, as required by ITSP-A (e.g., RegionA).