CML Microsystems Plc
Bell 202 Compatible Modem
CML Microsystems Plc
Call Progress Decoder
CML Microcircuits
Calling line identifier
CML Microcircuits
Low-Voltage SPM Detector
Unspecified
Call Progress Tone Detector
CML Microsystems Plc
Universal Call Progress Decoder
CML Microsystems Plc
Dual Subscriber Private Metering (SPM) Detector
CML Microsystems Plc
"Eurocom" Delta Codec