Detecting and transporting dynamic presence information over a wireless and wireline communications network

• US 7,844,055 B2
• Filed: 06/25/2002
• Issued: 11/30/2010
• Est. Priority Date: 06/26/2001
• Status: Expired due to Fees

• Current Assignee: Link US All LLC
• Original Assignee: Link US All LLC
• Inventors: Chen, Chao-Chi, Ozog, Francois Frederic, Mukherjee, Atanu
• Primary Examiner(s): Revak; Christopher A
• Assistant Examiner(s): AVERY, JEREMIAH L
• Application Number:
  US10/180,636
• Publication Number:
  US 20030073440A1
• Time in Patent Office: 3,080 Days
• Field of Search: 380/250
• US Class Current: 380/250
• CPC Class Codes: H04L 51/00 User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
• CPC Class Codes: H04L 51/04 Real-time or near real-time messaging, e.g. instant messaging [IM]
• CPC Class Codes: H04L 51/043 using or handling presence information
• CPC Class Codes: H04L 51/58 Message adaptation for wireless communication
• CPC Class Codes: H04L 61/50 Address allocation
• CPC Class Codes: H04L 65/103 in the network
• CPC Class Codes: H04L 65/104 in the network
• CPC Class Codes: H04L 65/1043 Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
• CPC Class Codes: H04L 65/1101 Session protocols
• CPC Class Codes: H04L 65/1104 Session initiation protocol [SIP]
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04L 67/303 Terminal profiles
• CPC Class Codes: H04L 67/52 specially adapted for the location of the user terminal
• CPC Class Codes: H04L 67/54 Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
• CPC Class Codes: H04L 67/55 Push-based network services
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561
• CPC Class Codes: H04L 67/5651 Reducing the amount or size of exchanged application data
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion
• CPC Class Codes: H04L 69/24 Negotiation of communication capabilities
• CPC Class Codes: H04L 69/329 : in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 : Network security protocols
• CPC Class Codes: H04W 4/02 : Services making use of location information
• CPC Class Codes: H04W 4/06 : Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 60/04 : using triggered events
• CPC Class Codes: H04W 8/10 : between location register and external networks
• CPC Class Codes: H04W 8/183 : Processing at user equipment or user record carrier
• CPC Class Codes: H04W 8/205 : Transfer to or from user equipment or user record carrier
• CPC Class Codes: H04W 8/22 : Processing or transfer of terminal data, e.g. status or physical capabilities

Claims