A&B |
A&B type coin collecting Box |
Adj |
Adjustable |
Aka |
also known as |
Alt |
Alternative |
AR |
Alternative
recall i.e. Timed break recall |
Auto |
Automatic |
BLF |
Busy lamp
field |
BPO |
British Post
Office |
BS |
Bellset |
BT |
BRITISH
TELECOM |
BTRL |
British
Telecom Research Laboratories |
C/O |
Cut off |
CB |
Central
Battery (System) |
CBS |
Central
Battery Signalling |
CCB |
Coin
collecting box |
CCT |
Circuit |
CCU |
Common
control unit |
CO |
CALL OFFICE |
CPU |
Central
processor unit |
CSA |
CALLED SUB
ANSWE#00A5C6 |
DDI |
Direct
Dialling In |
DEL |
Direct
Exchange Line (a normal subscribers line) |
Dept |
Department |
DIS |
Disconnection |
DISA |
Direct Inward
System Access |
DP |
distribution
point |
DS |
Dual
signalling |
DSS |
Direct
station select |
DT |
Dial tone |
DTMF |
Dual Tone
Multi Frequency |
Dual
sig |
Dual
Signalling - i.e. both loop disconnect or DTMF |
ER |
Earth Recall |
Exch |
Exchange/s |
Extn |
Extension |
FNF |
Fault not
found |
FUW |
For use with |
GPO |
GENERAL POST
OFFICE |
Inst |
Instrument |
LB |
Local Battery |
LCD |
Liquid
Crystal Display |
LD |
loop dial |
LJU |
Line Jack
Unit |
LNR |
Last Number
Redial |
MDF |
Main
distribution frame |
MF |
Multi
frequency |
Mag |
Magneto
System |
Manu |
Manufacturer |
Mem |
Memory |
N.T.C. |
National
Telephone Company |
No. |
Number |
Nos. |
Numbers |
NU |
Number
Unobtainable |
OH |
OVERHEAD |
OHD |
On Hook
Dialling |
PABX |
Private
branch exchange system |
PB |
Push Button |
PBX |
Private
branch exchange |
PET |
Permanent
Engaged Tone |
PG |
permanent
glow |
PI |
Postal
Instruction |
PMBX |
Private
manual exchange system |
PO |
POST OFFICE |
POT |
plain old
telephone |
pps |
Pulses Per
Second |
PST |
Plug and
socket Telephone |
RR |
Register
Recall (Timed Break) |
RTNR |
Ring tone no
reply |
RWT |
Right when
tested |
Recall |
Could be
either Earth Loop or Timed Break or both |
S/S |
Shared
Service |
SARCRAM |
SC |
Self
Contained (Loop disconnect keypad) |
SC |
Short circuit |
SNR |
Saved Number
Redial (stores last number dialled for redial) |
Sim |
Similar to |
T |
Tone |
TAMS |
Telephone
answering machines |
TB |
Time Break |
TBR |
Time break
recall |
TELE |
Telephone |
TI |
Telecom
Instruction |
Tele |
Telephone |
UAX |
Unit
Automatic Exchange |
UG |
UNDERGROUND |