Telecommunication network using signalling without activating al
Telecommunications network architecture for accessing...
Telematic system with an automatic reconnection support
Telemetry access arrangement
Telemetry access arrangement
Telemetry access arrangement
Telemetry device including a dynamic off-hook detector
Telemetry device including a dynamic off-hook detector capable o
Telemetry feature protocol expansion
Telemetry system and method
Telemetry system with improved verification of telemetry interfa
Telemetry system with suppressed ringing connection
Telephone call detecting circuit and a method of remotely access
Telephone-linked commodity-billing method
Telephonic information communication method and apparatus
Telephony network having no-ring telemetry call aborted in favor
Time independent data transmission system having capability for