MX-COM Inc
Call Progress Tone Detector
CML Microcircuits
V23 Transmit Modulator
CML Microsystems Plc
Consumer / Commercial CVSD Digital Voice Codec
CML Microsystems Plc
PAIR GAIN DUAL SPM DETECTOR
CML Microsystems Plc
DUAL SPM/SECURITY DETECTOR/GENERATOR
MX-COM Inc
Calling Line Identifier/Calling Line Identifier on Call Waiting
CML Microsystems Plc
V.22 and Bell 212A Modem
MX-COM Inc
Calling Line Identifier plus Call Waiting (Type II)