| http://www.w3.org/ns/prov#value | - A unified way to manage incoming calls is provided for users who have both a public switched telephone network (PSTN) telephone and a computer workstation with a multimedia data communications client such as a client specified in International...http://www.google.com/patents/US6826272?utm_source=gb-gplus-sharePatent US6826272 - Method and apparatus for integrated multimedia call controlAdvanced Pa
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