PDA TERMINAL AND METHOD FOR SUPPLYING MULTILATERAL CALL SERVICE REGARDLESS OF LOCATIONS BY USING PDA TERMINAL, CONCERNED WITH GUARANTEEING THE MOBILITY OF VOIP SERVICE

PURPOSE: A method for supplying a multilateral call service by using a PDA(Personal Digital Assistant) terminal is provided to supply a multilateral conference service regardless of locations at a low cost by using PDA terminals, and to supply a VoIP(Voice over Internet Protocol) service as well, th...

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Bibliographische Detailangaben

1. Verfasser:	CHO, YEONG SEON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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