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Configuring Emergency Services 71
The List of IP Ranges for <Name of ERL> page appears.
b Click Add New.
The IP Address Range page appears.
c In the IP Address field, type the IP network address for phones you
want to include in this ERL.
d In the Subnet Mask field, type the subnet mask for this IP address
range.
e Click Save.
The List of IP Ranges for <Name of ERL> page refreshes showing the
new IP address range.
7 Configure the Emergency Digits for the ERL.
Configuring the Emergency Digits (numbers) signals to the gateway that
the call being dialed is an emergency number. Any numbers configured
are marked as emergency calls and handled differently in case of a
disconnect.
a Click <Name of ERL> from the top of the List of IP Ranges for <Name
of ERL> page to return to the ERL configuration page.
b From the Location Settings heading, click Emergency Digits within the
same row as the ERL you want to configure.
The Emergency Digits For <Name of ERL> page appears.
c Click Add New.
d From the Emergency Number field, type an emergency number to
signal to the gateway that when this number is dialed, treat it as an
emergency number (for example, sip:911@<IP address of server>).
e Click Save.
f The Emergency Digits For <Name of ERL> page refreshes showing the
new emergency digit (number).
g If you have more Emergency Digits (numbers) to add, repeat step c
through step e.
8 Configure the Emergency Gateway IP for the ERL.
Configuring the Emergency Gateway IP specifies the address of the
gateway to be used to reach an emergency service provider in case the
VCX Call Processor is down. You can configure multiple gateways for a
redundant configuration.