User's Manual

Program activity
When the startup phase is done, eLOCATION has two permanent socket connections.
• One socket connection is established with the eKERNEL and is used to exchange
"location requests" and "location reply" data flow.
• The other socket connection is established with the DAP Controller PC (DCC) and follows
a proprietary protocol to retrieve location information of SIP DECT extensions.
The link with the DAP Controller exchanges data on regular time interval, so both parties can
verify the activity of the remote party. This guarding is typically represented by the informational
message "Data arrival – 1 bytes received from DCC". When the connection is broken,
eLOCATION attempts to reestablish a session.
Figure 153: eLocation program activity
Note:
Define The IP address of the PC that runs eLOCATION in the PBX. When the IP address
is not defined, the connection request is rejected by the DAP Controller. The two green
indicators on the bottom of the eLOCATION panel illustrate the successful connection state
between both external parties.
Keep track of the progress of the actual location detection process through the eLOCATION
tab. The location detection process takes place when eKERNEL sends a location request to
eLOCATION. The following figure shows the idle state at system startup prior to executing the
first request.
Module - eLOCATION
210 DECT Messenger Installation and Commissioning — Book 1 March 2012
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