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CONFIGURING SETTINGS FOR THE BENEFON TRACK PRO
Default behaviour for location request
The phone may receive several different messages re-
questing location. Such messages can be, e.g. Loca-
tion
request (?LOC) messages,
request (?HIS) messages. (For more information on
how to create location request messages, see the sep-
arate MPTP document.)
You can define, which way the phone responds the lo-
cation requests (4).
The message always includes a time stamp indicating
age of the position.
Choose from the options below by checking the corre-
sponding box in the Benefon Configurator.
•
Send last known
position: When the phone receives
the location request, the phone immediately recalls
the latest position found in the memory and sends it
to the requesting number. The position can be quite
old. If the phone does not have a position at all, the
message will be sent without position.
•
Attempt to acquire a fresh position for a
phone receives the location request, the phone
immediately switches the GPS on (if it is currently
off), updates position, sends it and switches the
GPS off. Then the phone returns to normal idle
mode. Only in case the position update is NOT pos-
sible within 3-4 minutes, the phone will send the
•
Location
history
Phone also checks if an AGPS can be retrieved and re-
quests it automatically to speed up calculation. Using
the AGPS requires that the parameters for the AGPS
are configured in the phone. For more information on
AGPS settings, see
while: When the
latest position found in the memory to the request-
ing number.
Send last known position at
receives the location request, the phone immedi-
ately recalls the latest position found in the memory
and sends it to the requesting number. In addition
to that, the phone tries to update the position for
3-4 minutes. If the position update succeeds, the
new position is sent to the requesting number, as
well.
ASSISTED GPS ON PAGE 48
TELEMATICS: SURVEILLANCE 27
once: When the phone
.
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