AU594403B2
(en )
1990-03-08
Telecommunications network and method
DE3275155D1
(en )
1987-02-19
Message communication method and system
GB2158678B
(en )
1988-10-26
Telephone paging system and method
EP0218482A3
(en )
1989-03-22
Radio telephone system and method for controlling same
EP0431983A3
(en )
1991-07-24
Communication and control system
EP0170455A3
(en )
1987-10-14
Modular block and electrical interface assemblies employing same
GB8628034D0
(en )
1986-12-31
Control system for telephone terminal equipment
GB8516074D0
(en )
1985-07-31
Communication method
GB2277231B
(en )
1995-03-15
Communications system
DE3564898D1
(en )
1988-10-13
Switching system and method for network having a plurality of terminal control equipment units
GB2191661B
(en )
1989-03-30
Method of secured communications in a telecommunications system
GB2153188B
(en )
1987-07-15
Communications system
ZA873972B
(en )
1987-12-02
Method of message communication and a system therefor
EG17243A
(en )
1990-12-30
Communication system line expansion apparatus and method
EP0290769A3
(en )
1990-08-22
Digital time division multiplex system and method of controlling same
EP0165202A3
(en )
1987-06-03
Safety support system and method of making safety support system and method of making
AU570387B2
(en )
1988-03-10
Supervising and controlling system
EP0550414A3
(en )
1993-08-18
Voice conferencing system and method of a non-blocking exchange switch
PL251076A1
(en )
1986-07-01
Method of controlling telecommunication channels and system of disconnection relays therefor
GB2168876B
(en )
1988-12-29
Multi-line telephone communications system
GB8410368D0
(en )
1984-05-31
Telecommunication switching system
GB8405505D0
(en )
1984-04-04
Communications system
IL71135A0
(en )
1984-06-29
Telephone switching system and method of operating same
GB8410369D0
(en )
1984-05-31
Telecommunication switching system
IL70100A0
(en )
1984-01-31
Method and system of telecommunication