The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Oct. 12, 2005
Xiao Xi Liu, Beijing, CN;
Wei LU, Beijing, CN;
Qing BO Wang, Beijing, CN;
BO Yang, Beijing, CN;
Chun Ying, Beijing, CN;
Xiao Xi Liu, Beijing, CN;
Wei Lu, Beijing, CN;
Qing Bo Wang, Beijing, CN;
Bo Yang, Beijing, CN;
Chun Ying, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A VoIP adapter for POTS a phone comprises: a POTS phone connector, an IP network interface, two sets of signaling senders, signaling receivers, media senders and media receivers for the POTS phone and the IP network respectively, and a controller for controlling the operations of above components. The VoIP adapter enables the user to carry out VoIP communications using a normal POTS phone and further enables use of advanced VoIP functions via the normal POTS phone, such as Call Hold, Call Transfer, Ad Hoc Conference, etc.