Users Manual

Operation
4-24
(2) Receiving a call from a PSTN subscriber
■ Procedure ■
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When receiving a PSTN call from a coast station, if
there is no active event, the screen at right is
displayed and the equipment starts sending the
acknowledgement immediately.
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After sending the acknowledgement, the screen at right
is displayed.
 The alarm sound grows louder gradually.
 The screen at right shows the following information.
- Coast station ID: 004310000
- Work Channel: CH03
- Caller TEL No: 1234567890123456
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If able to comply, lift the handset from the cradle to
send the start of call message to start the PSTN
communication.
 If not answered within 1 minute, the PSTN call is
cancelled automatically.
 If interrupted the receiving signal for 5 seconds during
communication, the PSTN call is terminated.
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When finished the phone call, return the handset to the
cradle.
Then an end of call is received from the coast station and
the PSTN call is disconnected. However, the duration of the
call will not be displayed for free of charge.