FIELD: radio engineering, possible use for shortwave radio channel and other communication channels, subject to effect of inter-symbol interference.
SUBSTANCE: terminal operates in different modes, including wired communication mode, Internet-phone mode and combined mode. Terminal has wired phone module and IP-phone module, which separately process calls to/from commutated general access network and Internet.
EFFECT: improved signals transfer efficiency.
5 cl, 9 dwg
