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Virtual telephone extension

  • US 8,027,332 B1
  • Filed: 05/20/2008
  • Issued: 09/27/2011
  • Est. Priority Date: 01/02/2002
  • Status: Expired due to Fees
First Claim
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1. A communication routing system for routing calls from a remote communications network to a plurality of user-communication devices over a packet-based network, the system comprising:

  • a user-programmable computer system database configured to store association data that can be implemented by a computer to associate, for each user, at least two independent user identifiers with at least one device identifier that identifies one of the user-communication devices, the independent user identifiers including, for each user, a location-based telephone number having an area code prefix assigned to the user'"'"'s telephone user-communication device and a virtual telephone number having a different area code prefix for a geographical region designated by the user, and data associating the telephone numbers with a device identifier for a telephone user-communication device; and

    a call-routing switch arrangement configured to route each call received from a remote communications network to a destination user-communication device over a packet-based network in response to user identifier data in the call and association data in the user-programmable database.

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