P.342. Series P: Telephone transmission quality, telephone installations, local line networks. Subscribers lines and sets. Transmission characteristics for telephone band (300-3400 Hz) digital louspeaking and hands-free telephony terminals
P.342. Series P: Telephone transmission quality, telephone installations, local line networks. Subscribers lines and sets. Transmission characteristics for telephone band (300-3400 Hz) digital louspeaking and hands-free telephony terminals
- Geneva ITU May 2000