Modem mode matching method with PBX dial-in
Modem on hold
Modem pooling system
Modem pooling system
Modem pooling system for communicating between a telephone and a
Modem pooling system for communicating between a telephone and a
Modem protection device
Modem protocol
Modem ringing supression circuit
Modem speed dialer circuit
Modem system
Modem unit
Modem with automatic callback provisions
Modem with call waiting
Modem with hold and quick connect functionality
Modem with noise eliminating circuit
Modem with power-off ring detection
Modem with ring detection/modem processing capability
Modem with ring detection/modem processing capability
Modem with ring detection/modem processing capability