Incoming Call - Nokia 22 Operator's Manual

Pbx connectivity terminal, gsm terminal
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Warning! Inappropriate installation of the Nokia 22 to a PBX may
damage the PBX or the Nokia 22. If an extension line of the PBX is
connected to the trunk connector of the Nokia 22, the devices attempt
to feed current to each other and they can be damaged.
To avoid damage to the devices, an analogue trunk line of the PBX must
be connected to the terminal's trunk connector with a standard 4-pin
RJ-11 cable that has only its two middle pins connected.
Note that the terminal's trunk and extension connectors cannot be used
at the same time to connect a device.
Important! Do not connect the Nokia 22 to a digital (ISDN) interface of
a PBX.
Making test calls

Incoming call

Make a call to the Nokia 22 GSM number. For details, contact your service pro-
vider. The Nokia 22 redirects the call and sends a ring tone to the PBX trunk line.
The switching centre answers and redirects the call.
Outgoing call
PBX has to be configured to route certain outgoing numbers (for example num-
bers with mobile prefix) to the trunk line the Nokia 22 is connected before an
outgoing call can be made. When a number is sent by the PBX to the terminal,
the terminal connects the call.
For terminal functionality in trunk mode, see section " Functionality in trunk
mode" on page 24.
©2001 Nokia Mobile Phones. All rights reserved.
PBX installation
27

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