User's Manual

Feature impact on configuration tasks
1.
Configuring the SIP Proxy
• The IP Deskphone must have an emergency user in order to make an
emergency call without a user logon.
• The IP Deskphone must have the necessary configurations values for
automatic REGISTER of the emergency user (if you choose this
implementation method).
• You must add the emergency user to the proxy.
2. Adding the emergency user to the IP Deskphone config file
• The IP Deskphone must have E911_USERNAME, E911_PROXY, and
E911_PASSWORD configured for making emergency calls.
• The IP Deskphone must have a specified proxy that contains a user record
with the specified user name and password.
• The IP Deskphone must have these values for automatic REGISTER of the
emergency user (if you choose this way of implementation).
• You must add specified variables to the IP Deskphone config file.
3. Adding an emergency number
• You must specify an emergency number for emergency calls to:
- define the numbers that you can use for an emergency call that does not
require logging on.
- trigger emergency functionalities, such as the inability of an emergency
call originator to hold or hang up the call after the call is established.
• You can only dial these numbers if there is no user log on (or the IP Deskphone
is blocked).
• You must add the emergency number to the dialing plan. The emergency flag
is mandatory. For more information on the format for dialing plan rules, see
Dialing plan configuration on page 198
.
4. Configuring Layer 2 switch of the DHCP server to provide the IP Deskphone with
location information
• You must configure the Layer 2 switch or DHCP server to provide the
IP Deskphone with location information.
• You must provide the IP Deskphone with location information because the
IP Deskphone sends it to the PSAP when making an emergency call.
Emergency Services
200 SIP Software for Avaya 1200 Series IP Deskphones-Administration September 2013
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