Invention Grant
US08422408B2 Remote connection to a telephone line via internet 有权
通过互联网远程连接到电话线

Remote connection to a telephone line via internet
Abstract:
A device receives a request from an Internet Protocol (IP)-based device to create a virtual extension of a plain old telephone service (POTS)-based telephone line, authenticates the IP-based device for association with the POTS-based telephone line, and creates the virtual extension of the POTS-based telephone line to the IP-based device when the IP-based device is authenticated.
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