UNLISTED
SYSTEMS
AEI
AVAYA INDEX
BT, PO
& GPO SYSTEMS
ERICSSON - British Ericsson
ERICSSON
- Swedish Ericsson
GEC
SYSTEMS
GOLDSTAR
SYSTEMS
GPT
SYSTEMS
IBM SYSTEMS
LIST
OF ALL SYSTEMS
LONDON
SYSTEMS
MDS OPERA SYSTEMS
MITEL
SYSTEMS
OLYCOM
OMNICOM
PABX
- AND "ELECTRONIC" SYSTEMS MAINTAINED BY BT PRIOR TO 1981
PHILIPS
PANASONIC
PLESSEY
SYSTEMS
PMBX
- GPO AND PO MANUAL SWITCHBOARDS
RHAPSODY SYSTEM
- ATEA
SDX
SYSTEMS
SIEMENS
SYSTEMS
SIEMENS
BROTHERS SYSTEMS
STC
SYSTEMS
TIE
SYSTEMS