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Note: As the hot line option is also part of the V.24 parameter in the CV, this option can be set
in the compatibility value and downloaded to the data port of the SOPHO-SET, SOPHO-
LAM or LAM.
If CT 108 is used as call request, it is advised only to use the delayed hot line facility. If the
hot line call set-up is not successful and CT 108 remains active the data port immediately
tries to set-up a new hot line call. If there is no delay between the retries, the continuous
re-initiation of the hot line facility will increase the loading of the CPU.
4.12.
KEYBOARD DIALLING
The number of another data terminal can be dialled from the keyboard of a DTE. The data
port interface must be programmed either by downloading data from the ISPBX to the data
port or by programming the data port locally on the LAM or SOPHO-SET. Keyboard dialling
is the default condition for a DTE which is connected to a LAM. If the DTE is connected to a
SOPHO-SET S375D, however, the SOPHO-SET must be programmed to allow keyboard
dialling (see the appropriate manuals and user guides).
4.13.
MNEMONIC / NUMBER DIALLING
The number of another data terminal can be dialled from the keyboard of the DTE by entering
a mnemonic or code number. In the directory of the LAM or SOPHO-SET the code is
translated into the real required number. This number is sent to the ISPBX for call set-up.
The directory is a facility of the LAM or SOPHO-SET. The directory can be defined / changed
via the DTE. For more information: see applicable LAM or SOPHO-SET user guide.
4.14.
PASSWORD PORT PROTECTION
To protect unauthorised use of data ports (host computers), password port protection may
be required, see Facility Implementation Manual, Voice Facilities.
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