Voice over internet protocol based on call forwarding

The invention discloses a voice over internet protocol based on call forwarding. The specific application is as follows that: 1, an overseas user calls a domestic user; and 2, the domestic user calls the overseas user. A function that the overseas user can answer a call from the domestic user is rea...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAN YAODONG, WU ZHICHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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