TD 92407GB
2007-12-10/ Ver. D
Function description
Ascom IP-DECT System
7
DECT Phonebook Service has the same function as the IMS Phonebook. The difference is
that the DECT Phonebook service has support for a database that contains more entries.
IMS Phonebook and DECT Phonebook service can be used at the same time as long as
they have separate addresses.
3.3 Alarm
Alarm messaging includes all types of alarm from handsets, location etc. Cordless
handsets equipped with alarm functions can send different types of alarm messages to the
Unite System. The data can be sent to interface modules, for example an Alarm Module or
Output Module. The Alarm Module is used to generate group messages to other cordless
handsets while the Output Module activates outputs connected to signal lamps or sirens.
Alarm messages can also be sent to an Alarm Manager Server (AMS) for further actions.
The AMS can for example activate an output connected to a signal lamp or siren, or
present the alarm on a PC with equipped with the AMC software (an Alarm Management
Client). The PC can besides the identity, alarm type and time also display the location
graphically.
For more information see the document: Function Description, Alarm from Handsets,
TD 92099GB.
3.3.1 Alarm with data
Additional data for, example a location code, can be sent along with an alarm. The data
and type of alarm can be presented on an Alarm Management Client, but it can also be
indicated by an Alarm- or Output Module.
For more information see the document: Function Description, Alarm from Handsets,
TD 92099GB.
3.3.2 Alarm with Base Station Location
An approximate location of the cordless handset is possible to add to an alarm sent from
the handset. The handset evaluates at alarms the field strength ratio of the individual radio
IPBSs and sends the best-rated base station as a location of where the alarm was
activated. However, positioning based on radio field strength measurements must be
regarded as an indication only.
The type of alarm and the location of the handset can be presented on an Alarm
Management Client (AMC). The AMC client can besides the identity, alarm type and time
also display the location graphically. The alarm can also be indicated by an Alarm- or
Output Module.
For more information see the document: Function Description, Alarm from Handsets,
TD 92099GB.
3.3.3 DECT Location
With DECT Location it is possible to send an alarm with the two latest location codes. This
makes it possible to decide in which part of a building a person is located, and in which
direction he is moving. It does not give an exact location from where an alarm is
transmitted but, depending on how many location devices 9dLDs that are used, a high
precision of the location can be achieved.
For more information see the document: Function Description, DECT Location,
TD 92177GB.
(18 Seiten)
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