MX-COM Inc
Call Progress Tone Detector wlth Special Information Tones(SIT)
MX-COM Inc
Global Call Progress Detector
CML Microsystems Plc
DELTA MODULATION CODEC meets Mil-Std-188-113
MX-COM Inc
Line-Powered Call Progress Tone Detector
MX-COM Inc
PCN/PCS DELTA MODULATION CODEC
MX-COM Inc
DELTA MODULATION CODEC meets Mil-Std-188-113
CML Microsystems Plc
Global Call Progress Detector