National Acoustic Laboratories Library

ITU-T. P. 310. Series P. Telephone transmission quality, telephone installations, local line networks. Subscribers' lines and sets. Transmission characteristics for telephone band (300-3400 hz) digital telephones

ITU-T. P. 310. Series P. Telephone transmission quality, telephone installations, local line networks. Subscribers' lines and sets. Transmission characteristics for telephone band (300-3400 hz) digital telephones - Geneva ITU 2003

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