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Item No:Te9023903
FSK/DTMF system compatible Intelligent IC card management Charge rate adjustment Set direct / extension line
Item No:Te9023707
FSK/DTMF dual system caller ID Local/rural/long distance call rate adjustable Support direction or extension net Set up limit of authority of user's card Mute in-phase pree mptive dialing IP phone Anti-polarization/receiver hang up/immediately charge nulti-mode
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