CML Microsystems Plc
Call Progress Tone Detector wlth Special Information Tones(SIT)
CML Microsystems Plc
Global Call Progress Detector
MX-COM Inc
v.23 Compatible Modem
MX-COM Inc
DELTA MODULATION CODEC meets Mil-Std-188-113
Maxim Integrated
True RMS-to-DC Converters
MX-COM Inc
Call Progress Decoder
CML Microsystems Plc
Delta Modulation Codec meets EUROCOM D1-IA8