IP Phone User Manual

Configuring Emergency Services 135
Configuring the Emergency Lines determines which ELINs should be
assigned to each ERL. You can configure multiple ELINs for each ERL.
a Click Emergency Services to return to the ERL configuration page.
b From the Location Settings column, click Emergency Lines for the ERL
you want to configure.
The Emergency Line ID Numbers page appears.
c Click Add ELIN.
The Add Emergency Line ID Number page appears.
d In the ELIN field, enter the Emergency Location Identification Number.
An ELIN is a fully qualified E.164 number.
e In the Association Release Timer field, enter the amount of time you
want to leave the ELIN associated with the emergency caller. The
number is specified in hours and the range is 1 through 24. This
association is used to callback the emergency caller. After the
configured time expires, the association between the emergency caller
and ELIN is dropped. In case an ELIN is not in use, it can be assigned to
a new emergency caller and the association with an older emergency
caller is overwritten with the association of the new emergency caller.
f In the Usage Release Timer field, enter in the maximum amount of
time you want to allow the ELIN to remain in use. The number is
specified in hours and the range is 1 through 24. Normally, an ELIN is
freed when the emergency service provider goes on-hook before the
emergency caller goes on-hook, otherwise, the ELIN is kept in use for
the duration of this timer.
g Click Save.
The Emergency Line ID Numbers page refreshes, showing the ELIN.
h To configure additional ELINs, repeat c through g.
The ERL is now configured.
Adding or Editing the
Emergency Defaults
The emergency defaults are used when there is no information in the
emergency response database for a emergency caller (phone IP address).
Typically, phone IP addresses are stored within ranges for a defined ERL.
WARNING: If Emergency service settings or emergency lines are
changed, (for example, the gateway IP address or emergency numbers)
they will not take effect until the telephones are power cycled. A simple
logout/login of the telephone is not sufficient.