Version 7.2 315 Mediant 500L Gateway & E-SBC
User's Manual 15. Services
• Emergency calls received from Manchester office users are routed by the device
to the Manchester police department (+44161999).
The international code, +44 for England is used for IP routing considerations, but can
be omitted depending on your specific deployment.
The above scenario is configured as follows:
1. Enable location-based emergency routing, by loading an ini file to the device with the
following parameter setting:
a. Open the Gateway Advanced Settings page (Setup menu > Signaling & Media
tab > Gateway folder > Gateway Advanced Settings).
b. From the 'E911 Gateway' drop-down list (E911Gateway), select Location Based
Manipulations.
Figure 15-61: Enabling Location-based Emergency Routing
2. In the Destination Phone Number Manipulation for IP-to-Tel Calls table (see
''Configuring Source/Destination Number Manipulation'' on page 537), add the
following two rules for manipulating the destination number of incoming emergency
calls, based on ELIN numbers:
Figure 15-62: Configuring Destination Number Manipulation Rules for Location-Based
Emergency Routing
Index 0 manipulates the destination number for London emergency callers; Index 1
manipulates the destination number for Manchester emergency callers.
15.8.4.6 Viewing the ELIN Table
To view the ELIN table:
CLI
# show voip e911
ELIN Time Count Index Call From
------------------------------------------------------------
4257275678 22:11:52 0 2 4258359333
4257275999 22:11:57 0 3 4258359444
4257275615 22:12:03 0 0 4258359555
4257275616 22:11:45 0 1 4258359777
------------ Current Time: 22:12:40
Using Syslog, by invoking the following Web command shell:
SIP / GateWay / E911Dump
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