| http://www.w3.org/ns/prov#value | - The unified messaging system comprises a unified messaging system server and clients, such as personal computers, telephones, facsimile machines, and two-way paging machines connected via both land based and...http://www.google.com/patents/US6778642?utm_source=gb-gplus-sharePatent US6778642 - Unified messaging systemAdvanced Patent SearchPublication numberUS6778642 B1Publication typeGrantApplicati
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