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TABLE H
OUTGOING RINGDOWN TIE TRUNK CALL
(See 2.03)
CONDITION
RESULTS
CONSOLE A
CONSOLE B
S
. -
- - - - - - - -
T
ACTION
KEY
LAMP
REMARKS
LAMP
E
p
DESIG OPR
RD
RD
TRK
TRK
St~!i~~_:~~~~~~ tCSee Note
1).
1
Idle condition
e
e
2
At PBX station -
- -
- - - - - - - - - - _ . _ - - - - - - - - - - - - - - - - - -
f - - - - - - - - - - - - - - -
Remove handset from switchhook
e
PBX dial tone heard
e
- - - - - -
f - - - - f----
3
Dial access code of ringdown tie trunk
0
PBX dial tone silenced
0
2-Second burst of ringing heard
- -
- - - - - - _
..
_-~---~
1 - - - - -
3
At distant PBX attendant position -
0
Conversation satisfactory between PBX station
0
Attendant answers incoming call
and distant PBX attendant
At station and distant PBX attendant
- -
_ . _ - - - - - -
5
•
position -
e
Console (s) idle
e
Disconnect from call
_ . _ - - - - - - - - - - - -
- -
- - - ' - - - - - - -
Attendant-Originated f(See Note 2).
--
6
Atnd seizes idle ringdown tie trunk
RD
0
0
2-Second audible ringing tone heard
0
TRK
7
Distant PBX atnd answers
0
Conversation satisfactory
0
8
Atnd and distant PBX atnd disconnect
POS
0
e
Console(s) idle
e
RLS
_ _ L . -_ _ _ _ _ _ _ _ _
Station-Originate~~
All Ringdown Tie Trunks Busy tCSee Note 3).
9
At PBX station -
0
PBX dial tone heard
0
Remove handset from switchhook
---
10
Dial access code of ringdown tie trunk
0
PBX dial tone silenced
0
Busy tone heard
------
11
Station disconnects from call
e
e
Notes: 1.• If attendant control of station dial access to trunk groups feature is provided (24B-, 34B-, or
54B-type consoles are used). TGR-keys should be released, TGR-Iamps extinguished.•
2.
To extend the ringdown tie trunk call to a station, see Table G.
3.
All ringdown tie trunks previously made busy.
in
en
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en
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n
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z
UI
UI
W
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