×

Method of and system for providing intelligent network control services in IP telephony

  • US 7,411,944 B2
  • Filed: 10/30/2007
  • Issued: 08/12/2008
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A system comprising:

  • a call control entity comprising;

    a Session Initiation Protocol (SIP) proxy device to;

    receive a first SIP invite request for a first called party, the first SIP invite request being associated with a first intelligent network service,send a second SIP invite request to a location manager in response to receiving the first SIP invite request that is associated with a first intelligent network service,receive, from the location manager, a first address for the first called party at a first egress Internet Protocol (IP) telephony device, andestablish a first telephone call using the received first address, andan H.323 device to;

    receive an H.323 call establishment message for a second called party, the H.323 call establishment message being associated with a second intelligent network service,send a third SIP invite request to the location manager in response to receiving the H.323 call establishment message that is associated with a second intelligent network service,receive, from the location manager, a second address for the second called party at a second egress IP telephony device, andestablish a second telephone call using the received second address.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×