Nortel 1110 User Guide
432
Features overview
more information about the Virtual Office feature, see IP Line Fundamentals
(NN43100-500) and Features and Services Fundamentals—Book 4 of 6
(NN43001-106).
(NN43100-500) and Features and Services Fundamentals—Book 4 of 6
(NN43001-106).
Emergency Services for Virtual Office
The E911 for Virtual Office feature allows Virtual Office users to place an
emergency call to the correct Public Safety Answering Point (PSAP) for their
geographic location. For more information about the E911 for Virtual Office
feature, see Emergency Service Access Fundamentals (NN43001-613).
emergency call to the correct Public Safety Answering Point (PSAP) for their
geographic location. For more information about the E911 for Virtual Office
feature, see Emergency Service Access Fundamentals (NN43001-613).
Active Call Failover
The Active Call Failover (ACF) feature enables an IP Phone to reregister in
the ACF mode during a Signaling Server failure.
the ACF mode during a Signaling Server failure.
The ACF mode preserves the following
•
active media stream
•
LED status of the Mute, Handsfree, and Headset keys
•
DRAM content
All other elements (feature keys, soft keys and text areas) are retained
until the user presses a key or the connection with the Signaling Server is
resumed. If the user presses a key during the failover, the display is cleared
and a localized "Server Unreachable" message is displayed.
until the user presses a key or the connection with the Signaling Server is
resumed. If the user presses a key during the failover, the display is cleared
and a localized "Server Unreachable" message is displayed.
The IP Phone uses this new mode of reregistration only when the Signaling
Server explicitly tells the IP Phone to do so. IP Phones clear all call
information if they register to a Signaling Server or Line Terminal Proxy
Server (LTPS) that does not support the ACF feature.
Server explicitly tells the IP Phone to do so. IP Phones clear all call
information if they register to a Signaling Server or Line Terminal Proxy
Server (LTPS) that does not support the ACF feature.
For more information about Active Call Failover, see IP Line Fundamentals
(NN43100-500).
(NN43100-500).
Enhanced UNIStim Firmware download
Enhanced UNIStim firmware download feature provides the following
functionality for IP Phones
functionality for IP Phones
•
Enhanced firmware file header that includes the IT_TYPE and name
string for each IP Phone type.
string for each IP Phone type.
•
Revised definition of the IP Phone identification of the IP Phone Client.
•
Maintenance Mode for the Signaling Server that allows more
simultaneous firmware downloads.
simultaneous firmware downloads.
Maintenance Mode is not applicable to Voice Media Gateway Cards.
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368
01.02
Standard
Release 5.0
20 June 2007
Copyright © 2003–2007, Nortel Networks
.