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GDI tones
Except ordinary tones and signalling of GSM communication
(ringing tone, busy tone, different provider´s messages) the
GDI has own signalling of operation (via setting possibilities).
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High tone – Alerting
GDI detects not registration to GSM net (antenna not conne
cted , wrong PIN,), dialling number to GSM etc..
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Medium level tone – verify action
GDI reads the SIM, registrate to network, answer for SMS,
measure voltage etc...
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Low level tone – error
GDI detects error (for example: low voltage, no GSM reactio
n for command. Can react by unit restart
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High tone follow by medium level
tones in period cca 5 sec.
start a initialization of GDI (registration to network, SIM re
ading etc..)
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High tone repeated
GDI detects disconnection from GSM net (antena disconnect
ed, wrong PIN....)
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Medium level tone repeated during
button holding, high tone
Button press detection, dial of preprogrammed number
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High tone, once after dial number to
GSM
called party reached
6. GSM DoorPhone tones
High tone – Alerting
Detects not registration to GSM net (antenna not
connected , wrong PIN), dialling number to GSM etc..
Medium level tone – verify action
Reads the SIM, registrate to network, answer for SMS,
measure voltage etc...
Low level tone – error
Detects error (for example: low voltage, no GSM
reaction for command. Can react by unit restart
High tone follow by medium level tones in period
cca 5 sec
. start a initialization of doorphone
(registration to network, SIM reading, etc..)
High tone repeated
Detects disconnection from GSM net (antena disconnect
ed, wrong PIN....)
Medium level tone repeated during button holding,
high tone
Button press detection, dial of preprogrammed number
High tone, once after dial number to GSM
Called party reached