Configuring Emergency Services 133
Figure 45 Emergency Defaults and Emergency Response Locations Window
6 Add an IP address range for the ERL.
The range specifies the telephones that can be included within this ERL
(for example, all telephones on the 1st floor of a building). Each phone in
an ERL is assigned an IP address from a range of IP addressed specified by
a network address and subnet mask.
a In the Location Settings column, click IP Ranges for the ERL you want
to configure.
The IP Ranges page appears.
b Click Add IP Range.
The Add IP Range page appears.
c In the IP Address field, enter the IP network address that identifies the
range addresses you want to include in this ERL.
d In the Subnet Mask field, enter the subnet mask for this IP address
range.
e Click Save.
The IP Ranges page refreshes showing the new IP address range.
7 Configure the Emergency Numbers for the ERL.
Dialing an emergency number signals the gateway that the call is an
emergency and should be handled differently in case of a disconnect.
