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114 DECT Messenger Customer Engineer Manual

• location of the handset is only retrieved after a short message is sent

to the predefined extension number. In all other cases, no location

information is retrieved.

•

requires an IP connection to a DAP Controller (DCC) in the SIP DECT

environment

• location detection only works on SIP DECT extensions

eLOCATION can support configurations with more than 255 radios. If

more than 255 radios are used, the first 255 radios use a 2-byte definition

from 00 to FF. The remaining radios use a 3-byte definition, for example

100, 101, 102, and so on.

ATTENTION

IMPORTANT

eLOCATION can handle location registration for one DECT cluster only.

eLOCATION works with SIP DECT only.

How it works

A handset sends a short message to the predefined extension number.

This extension number must have the property Location Alarm in DECT

Messenger. Based on this property, DECT Messenger activates location

retrieval for the handset. This means that DECT Messenger sets up a

connection to a DAP Controller through IP, and asks for the location of

the calling line ID (CLI) in the call. This CLI is the extension number of

the DECT handset making the call. The DAP Controller responds by

sending the RPN (Radio Part Number) to DECT Messenger. This RPN

number is not meaningful location information. There is a conversion

table (eLOCATION_RPN) that translates the RPN to meaningful location

information. This location information can be used in the message that

is sent.

The message can be sent to any output device. The relation between

the generated message and the destination group is defined in the table:

eLOCATION_INBOUND_RESULT. In this table, the relation is established

between the Calling Line ID, the Called Line ID and the Group to which the

message is sent. The message (string) is also defined in this table.

The message can contain variables that are filled in by DECT Messenger

before it is sent. You can use this feature of DECT Messenger to generate

a message similar to the following message.

SOS at location [Location] at [Location time] on [Location date]

from [Calling number] to [Called number]

Where:

Nortel Communication Server 1000

DECT Messenger Fundamentals

NN43120-120 02.01

11 May 2009