The DTX-360 system provides a high compression ratio of up to 10:1 for speech traffic and a fax compression ratio of more than 6:1 for ITU Group 3 fax calls.
Utilizing DSI (Digital Speech Interpolation), LDCELP (Low Delay Code Excited Linear Prediction), or ADPCM (Adaptive Differential PCM), VBR (Variable Bit Rate), and Fax Demodulation/ Remodulation techniques, the DTX-360 enables a high effective compression of transmission facilities in digital operating environments, together with a very high level of signal quality and system reliability.
Each DTX-360 terminal accepts up to 360 trunk channels, carrying 64 kbit/s signals of speech, voice-band data (fax and non-fax), and inter-exchange signaling types. These signals are transmitted to their destination terminal(s) over a single bit stream (Bearer) at a rate of 2.048 Mbps or 1.544 Mbps.