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Using a Telephone
To the Iridium system, you can connect a PBX switchboard or a
PSTN telephone. When using a telephone, many of the system’s
more advanced features, like e.g. the security lock function, are not
accessible.
Telephone call syntax
For external calls, entering a telephone number on a PSTN
telephone follows the syntax of this example:
1. External call 0
2. Prefix for automatic call 0 0
3. Country code, e.g. 4 5
4. Area code, e.g. 7 0
5. Subscriber’s number, e.g. 1 3 7 0 0 0
6. Confirmation #
For internal calls, entering a telephone number on a PSTN
telephone follows the syntax of this example:
1. Internal number, e.g. 3 4 4
2. Confirmation #
Making a Call
1. Lift the phone and listen for the tone signalling:
Busy tone: Hang up and try again later.
Ready tone: The telephone is ready for calling.
2. Enter the wanted number, including the prefix for external call,
prefix for automatic call, country code, and area code. An
example of a Danish subscriber:
0 0 0 4 5 7 0 1 3 7 0 0 0
3. To confirm you want to make the call, press: #
4. Wait for your call to be answered.
Answering a Call
is done exactly as if it was an ordinary telephone call: Pick up the
phone and answer the call.
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