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1.4 Intercom
The intercom function is available when two or more telephones are connected to the
IB-782. It allows communication between the telephones of the IB-782 and the
telephones/handset of the communication unit IB-282 and between the telephones of the
IB-782.
COMMUNICATION
UNIT
IB-282
ANTENNA
UNIT
IB-182
MULTI-COMMUNICATION
UNIT
IB-782
JUNCTION
BOX
IB-313
TEL or FAX
TEL or FAX
TEL or FAX
HANDSET
TEL3
TEL or FAX
TEL or FAX
Max. 8 telephones
Extension telephones
connected to IB-782
TEL3
TEL1
TEL2
TEL1
TEL2
Connections for intercom feature
Calling IB-782’s telephones
1. Pick up the receiver and listen for the dial tone.
2. Dial party’s extension number, then press the [#] button. For example, if the party’s
extension number is “2,” dial [2], [#].
3. Talk with party.
Note: The busy tone sounds if an invalid extension number is dialed. Hang up the
receiver and dial again.
4. Hang up the receiver upon completion of the call.
Calling communication unit’s telephones
1. Pick up the receiver and dial “0” (number for connecting with Inmarsat services). Listen
for the dial tone.
2. Press the [*] button, dial party’s extension number, then press the [#] button. For
example, if the party’s extension number is “2,” dial [*], [2], [#]. Dial “0” to call the
communication unit’s handset.
3. Talk with party.
4. Hang up the receiver upon completion of the call.
Calling from communication unit’s handset to IB-782’s telephone
1. Pick up the handset, then press the [Intercomm] key.
2. Dial [3], [0], and party’s extension number (1-8).
3. Talk with party.
4. Press the [
] key and hang up the handset upon completion of the call.