| http://www.w3.org/ns/prov#value | - The data pump DSP and CODEC of circuit 311 performs functions such as modulation, demodulation, and echo cancellation to communicate over the telephone line interface 309 using a plurality of telecommunications standards, including FAX and modem protocols. [0098] The main controller circuit 313 controls the DSP data pump circuit 311 and the voice control DSP circuit 306 through serial input/output
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