Digital Signal Processor. Typical DSP functions include Data Modems, Voice CODECS, Fax Modems and CODECS, and low-level signaling (such as CAS/R2).


C21 Communications provides solutions and products designed to reduce the cost of telephony for SoHo and SME businesses, right through to global enterprises.

C21 Communications Ltd. Harwell International Business Centre, 173 Curie Avenue, Harwell, Didcot, Oxfordshire, OX11 0QG.


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