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Class Information
Number: 379/901
Name: Telephonic communications > Virtual networks or virtual private networks
Description: Subject matter for programmably effecting as needed, or for controlling, telephone networks, as distinguished from "hard-wired" networks. Sometimes called "software-defined" networks.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533410 |
Architecture to support public voice VPN services over an IP network |
May. 12, 2009 |
| 7505575 |
Method and system for processing telephone calls via a remote tie-line |
Mar. 17, 2009 |
| 7448080 |
Method for implementing secure corporate communication |
Nov. 4, 2008 |
| 7356138 |
Method of operating a virtual private network |
Apr. 8, 2008 |
| 7293023 |
Method for evaluating data in elements of a communications network |
Nov. 6, 2007 |
| 7274786 |
Method and system for processing telephone calls via a remote tie-line |
Sep. 25, 2007 |
| 7124189 |
Spontaneous virtual private network between portable device and enterprise network |
Oct. 17, 2006 |
| 7088812 |
Call management implemented using call routing engine |
Aug. 8, 2006 |
| 7020265 |
Method for transmitting information to remote site using dynamic transmission network |
Mar. 28, 2006 |
| 6975718 |
Automated route plan generation |
Dec. 13, 2005 |
| 6879680 |
Method of and system for extending internet telephony over virtual private network direct access lines |
Apr. 12, 2005 |
| 6834105 |
Method for operating a private telecommunications network |
Dec. 21, 2004 |
| 6816587 |
Virtual private line connection system and method |
Nov. 9, 2004 |
| 6807269 |
Call management implemented using call routing engine |
Oct. 19, 2004 |
| 6751306 |
Local on-hold information service with user-controlled personalized menu |
Jun. 15, 2004 |
| 6741690 |
Network server |
May. 25, 2004 |
| 6724876 |
Method and apparatus for effecting telecommunications service features using call control information extracted from a bearer channel in a telecommunications network |
Apr. 20, 2004 |
| 6711252 |
Method and system for implementing intermediary services in a telecommunication system |
Mar. 23, 2004 |
| 6704406 |
Automated route plan generation |
Mar. 9, 2004 |
| 6668052 |
Method and system for signaling in a telecommunication system |
Dec. 23, 2003 |
| 6597778 |
Method for setting a number plan and providing a service for an advanced intelligent network subscriber in a communication network |
Jul. 22, 2003 |
| 6567514 |
Method and system for processing telephone calls via a remote tie-line |
May. 20, 2003 |
| 6516058 |
Voice network access system |
Feb. 4, 2003 |
| 6480595 |
Method of communication through leased line in virtual private network |
Nov. 12, 2002 |
| 6453034 |
Method of and system for extending internet telephony over virtual private network direct access lines |
Sep. 17, 2002 |
| 6449344 |
Communication system |
Sep. 10, 2002 |
| 6430176 |
Multimedia channel management through PSTN signaling |
Aug. 6, 2002 |
| 6363142 |
Network directed call pickup service |
Mar. 26, 2002 |
| 6298120 |
Intelligent processing for establishing communication over the internet |
Oct. 2, 2001 |
| 6205216 |
Apparatus and method for inter-network communication |
Mar. 20, 2001 |
| 6169797 |
Method for setting up telecommunication connections |
Jan. 2, 2001 |
| 6141409 |
Method of operating a virtual private network |
Oct. 31, 2000 |
| 6097804 |
Method and system for completing a voice connection between first and second voice terminals in a switched telephone network |
Aug. 1, 2000 |
| 6094479 |
Computer telephony integration gateway |
Jul. 25, 2000 |
| 6084956 |
SS7 mediation for data network call setup and services interworking |
Jul. 4, 2000 |
| 6055303 |
Telecommunications services |
Apr. 25, 2000 |
| 6005929 |
Method of providing services to subscribers of a telephone network |
Dec. 21, 1999 |
| 5974133 |
Method and apparatus for facilitating communication across multiple locations |
Oct. 26, 1999 |
| 5920619 |
Regional centrex |
Jul. 6, 1999 |
| 5502816 |
Method of routing a request for a virtual circuit based on information from concurrent requests |
Mar. 26, 1996 |
| 5490212 |
Call-routing method for a virtual private network as well as service computer and exchange therefor |
Feb. 6, 1996 |
| 5303290 |
System for elminating glare in virtual private line circuits |
Apr. 12, 1994 |
| 5282244 |
Virtual signaling network method |
Jan. 25, 1994 |
| 5103475 |
Processing of telecommunications call billing data |
Apr. 7, 1992 |
| 5014262 |
Apparatus and method for detecting and eliminating call looping in a node-by-node routing network |
May. 7, 1991 |
| 4982421 |
Virtual private line service |
Jan. 1, 1991 |
| 4811334 |
Method of operation of a nodal telephone and data communication network to provide specific facilities in changeable domains of the network |
Mar. 7, 1989 |
| 4802199 |
Method and apparatus for providing virtual facility communication service |
Jan. 31, 1989 |
| 4348554 |
Method of providing virtual private network telephone service |
Sep. 7, 1982 |
| 4313036 |
Distributed CBX system employing packet network |
Jan. 26, 1982 |
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