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SPENDEX 40 UA 8251/01
OPERATING MANUAL
5.3
Setting up of a Clear Call
This section describes the actions to be performed in order to set up
a clear call.
Actions
Calling terminal
Called terminal
LED
Display
LED
Display
Start conditions:
- Terminals on hook
• • *
"
" *
"
Calling terminal:
1. Go off hook (see
Note 1).
X"
• • *
• •
2. Wait for dialling tone.
X"
" ■ *
"
3. Select, if required, a
precedence level by
pressing the P key
once, twice, three or
four times (see Note 2):
- pressing once:
- pressing twice:
- pressing three times:
- pressing four times:
"PRIORITY"
"IMMEDIAT"
"FLASH
"FLSH OVR"
" *
"
4. Dial in telephone
number.
"NNNNNNNN"
( r i n j;ing signal)
Called terminal:
1. Go off hook.
"NNNNNNNN"
"PLAIN
Nonsecure speech possible
(see Note 3)
NNNNNNNN = last eight digits of telephone numbei - (N = 0...9)
Note 1: Before setting up a clear call in preparation for setting up
a secure call, check first that the relevant Net variable is
present (see section 5.6).
Note 2: Selection of a precedence level is possible only if the
transmission network is suitable for precedence level
selection. A precedence level can be chosen only once.
Correction of the precedence level is possible only after
going on hook again, then going off hook and selecting the
appropriate level.
Note 3: A rapid intermittent signal during conversation indicates
pre-emption; finish conversation immediately and go on hook.
9922 154 13061
5-2
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