User's Manual

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.
Important:
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:
• [Location] = the contents of the eLOCRPN_Message_str field in the table
eLOCATION_RPN
• [Location time] = current time
• [Location date] = current date.
• [Calling number] = calling number.
• [Called number] = called number
The destination group, the message, and the Alarm ID are used to dispatch the message to
the appropriate destination(s).
DECT Messenger Customer Engineer Manual
108 DECT Messenger Fundamentals March 2012
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