GB2301508B
(en )
1997-07-09
Telephone dialing
PL340556A1
(en )
2001-02-12
Subscriber's terminal for a wireless telecommunication system
GB2320849B
(en )
2000-05-10
Telephone exchange apparatus
GB2319701B
(en )
2000-05-31
Telecommunications equipment
ZA956252B
(en )
1996-06-06
Authentication of telephone subscribers
GB9516621D0
(en )
1995-10-18
Telecommunications equipment
GB9623343D0
(en )
1997-01-08
Telephone services
GB9604675D0
(en )
1996-05-01
Telecommunications network
GB9618800D0
(en )
1996-10-23
Telephone accessory and equipment
GB9611940D0
(en )
1996-08-07
Telephone set
PL314157A1
(en )
1997-11-10
Subscribers' side equipment ic for digital telephone exchanges
EP0772336A3
(en )
1997-10-22
Telephone set
PL314350A1
(en )
1997-11-24
Subscriber's side equipment system for telephone exchanges
GB9616380D0
(en )
1996-09-11
Telecommunications network
PL317295A1
(en )
1998-06-08
Subscriber's telephone station
GB2310778B
(en )
1999-12-29
Telephone network signalling
CA74417S
(en )
1994-06-30
Telephone handset
PL305256A1
(en )
1996-04-01
Subscriber's telephone set dialling interlocking circuit for dtmf communication systems
PL302700A1
(en )
1995-10-02
Dialing interlock system for a subscriber's telephone set
GB2316252B
(en )
2001-05-16
Telecommunications network
HUT72136A
(en )
1996-03-28
Long-distance telephone network without exchanges
HUT72783A
(en )
1996-05-28
Subscriber's branching telephone cable
HUP9701478A3
(en )
1999-03-29
Circuit arrangement for digital telecommunication
PL301685A1
(en )
1995-07-10
Fault recorder's interface for telephone exchanges
GB9621908D0
(en )
1996-12-11
Telecommunications equipment