
Panasonic Digital Business System - Operating Instructions
March 1997 Issue 24
19
ISDN Line
The DBS can be connected to the Integrated Services Digital Network for voice calls. The ISDN channels can be
used in a similar way to the analogue lines. The use of these lines is shown below. See also ISDN Functions On
DBS. The # following the dialled number is required when the en-block dialling method is used. If overlap dialling
is used the # can be omitted. En-block dialling may be required by the ISDN service provider or the facilities used.
[Operation]
1 Press On / OFF or lift the handset
2 Select a channel in the same way as an analogue line: FF Key, 9,
81(1-6), 88(01-48) etc.
3 Dial the telephone number to be called
4 Press # to indicate the number is complete and instruct the system to
send it to the network. This can be omitted when overlap dialling is
used.
Alternatively wait for the dial timer to elapse and the system to send it
automatically
5 After answer speak.
Dialling is the same as for a DBS with analogue lines with the addition of a send character ‘#’ at the end of the
digits to tell the DBS to send a call set up request to the network.
If a send character is not added the system will wait for a pre-set timer to elapse before sending the digits dialled
to the network. The timer is re-started each time a new digit is entered. The send character will prevent delay
waiting for the timer to elapse.
Note:
Pulse dialling analogue SLTs must wait for the timer to elapse to send the digits because the
‘#’ character cannot be sent using pulse dialling.
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