User's Manual  392  Document #: LTRT-10532 
 
  Mediant 500L Gateway & E-SBC 
Item #  Description 
  To support the connectivity status feature, you must enable the keep-alive mechanism 
for the Proxy Set that is associated with the IP Group (see ''Configuring Proxy Sets'' on 
page 
378). 
  The green-color state also applies to scenarios where the device rejects calls with the 
IP Group due to low QoE (e.g., low MOS), despite connectivity. 
5  Links to Web pages relating to commonly required SBC configuration: 
  Classification: Opens the Classification table where you can configure Classification 
rules (see ''Configuring Classification Rules'' on page 677). 
  Number Manipulation: Opens the Outbound Manipulations table where you can 
configure manipulation rules on SIP Request-URI user parts (source or destination) or 
calling names in outbound SIP dialog requests (see ''Configuring IP-to-IP Outbound 
Manipulations'' on page 719). 
  Routing: Opens the IP-to-IP Routing table where you can configure IP-to-IP routing 
rules (see ''Configuring SBC IP-to-IP Routing Rules'' on page 685). 
  SBC Settings: Opens the SBC General Settings page where you can configure 
miscellaneous settings.
 
6  Configured Trunk Groups. Each Trunk Group is displayed using the following "Trunk 
Group"-titled icon, which includes the row index number: 
 
To edit or delete the Trunk Group, click the icon, and then from the drop-down menu, 
choose Show List to open the Trunk Group table. 
To add a Trunk Group, do the following: 
1  Click the Add Trunk Group    plus icon. The icon appears next to existing Trunk 
Groups or as     when there are no Trunk Groups. 
The Trunk Group table opens, allowing you to configure a Trunk Group. 
2  Configure the Trunk Group as desired, and then click Apply; the Trunk Group table 
closes and you are returned to the Topology View, displaying the new Trunk Group and 
a line connecting it to the associated port, as shown in the example below: 
 
For more information on configuring Trunk Groups, see Configuring Trunk Groups on page 
501. 
7  Displays the device's hardware configuration concerning telephony (Tel/PSTN) trunks and 
ports (e.g., BRI). It also displays the number of ports. The ports are displayed as round 
icons, as shown in Item #6 above. 
To configure a trunk (BRI), do the following: 
1  Click the icon, and then from the drop-down menu, choose Trunk Settings; the Trunk 
Settings page appears. 
2  Configure the trunk as desired.  
For more information on configuring trunk settings, see Configuring Trunk Settings on