Internet telephony through hosts

Details Internet telephony through hosts Internet telephony through hosts

2004-09-03

2011-12-06

Blair, Douglas (Department: 2442)

Electrical computers and digital processing systems: multicomput

Multiple network interconnecting

C709S238000

Reexamination Certificate

active

08073977

ABSTRACT:
Systems of the invention employ peer-to-peer and centralized server networking to enable POTS/PSTN/PBX phone lines to be shared with other users of the system over the Internet. An example application of the invention is to allow a person, having access to an Internet connection, to receive calls and make calls using his/her home or office telephone, or using the phones of other parties that he/she is authorized to access. In preferred embodiments, the invention can exploit availability of an existing voice modem port on the user's home or office computer, and can require only the installation of software on the home or office computer, and on whatever device (laptop, PDA, computer, mobile phones, etc.) is employed by the user in the remote location. Variant realizations of the invention may also provide any combination of features typically available to phone users, including, for example, the following features: authentication, verification, directory services, directory search, access rights, call forwarding, call answering, voice, mail, missed-call information, call screening, and caller identification.

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