| |
 |
|
Class Information
Number: 379/225
Name: Telephonic communications > Plural exchange network or interconnection > Multi-pbx interconnection
Description: Subject matter which connects a plurality of private branch exchanges by shared trunks therebetween.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613288 |
Method for handling incoming calls directed to a virtual communication service subscriber via a guest PBX |
Nov. 3, 2009 |
| 7602897 |
Method for supporting the mobility of a subscriber across a communication system |
Oct. 13, 2009 |
| 7565159 |
Methods and arrangement for implementing an active call handover by employing a switching component |
Jul. 21, 2009 |
| 7505575 |
Method and system for processing telephone calls via a remote tie-line |
Mar. 17, 2009 |
| 7474746 |
Multi-user telephone system |
Jan. 6, 2009 |
| 7471785 |
Method and system for controlling outside incoming call transfer in network-connected private branch exchanges |
Dec. 30, 2008 |
| 7424313 |
Public land mobile network/private wireless network-integrated service network and system for the same |
Sep. 9, 2008 |
| 7403795 |
Telephone network edge node device and method for bridging and privacy |
Jul. 22, 2008 |
| 7339924 |
Method and apparatus for providing ringing timeout disconnect supervision in remote telephone extensions using voice over packet-data-network systems (VOPS) |
Mar. 4, 2008 |
| 7274786 |
Method and system for processing telephone calls via a remote tie-line |
Sep. 25, 2007 |
| 7272386 |
System and method for providing location and call back information for special number calls from phone sets serviced by a privately served network |
Sep. 18, 2007 |
| 7206401 |
Remote PBX system and advanced communication terminals |
Apr. 17, 2007 |
| 7177411 |
System for implementing telephone services, control unit for an automatic switch and telephone and computer integration server |
Feb. 13, 2007 |
| 7174189 |
Method and system for providing mobility to enhanced call service features at remote locations |
Feb. 6, 2007 |
| 7162021 |
Call routing control using call routing scripts |
Jan. 9, 2007 |
| 7139386 |
Communication system and method for controlling features in a communication system |
Nov. 21, 2006 |
| 7139375 |
Highway expansion apparatus for key telephone system and operation method thereof |
Nov. 21, 2006 |
| 7127052 |
Implementation of additional functions for user connections having individually configured performance criteria |
Oct. 24, 2006 |
| 7116775 |
Apparatus and method for managing BLF information in an inter-networking system |
Oct. 3, 2006 |
| 7099446 |
Method for providing telephone services for commercial classes of service |
Aug. 29, 2006 |
| 7009962 |
Method and apparatus for providing forwarding on ring-no-answer for remote telephone extensions using voice over packet-data-network systems (VOPS) |
Mar. 7, 2006 |
| 6967947 |
Method and system for providing controllable enhanced call service features at mobile locations |
Nov. 22, 2005 |
| 6959172 |
Docking station for enabling landline telephones to send/receive calls via a docked mobile telephone |
Oct. 25, 2005 |
| 6950507 |
System for working at a remote office PBX |
Sep. 27, 2005 |
| 6937703 |
Connection of a computer to a telephone exchange |
Aug. 30, 2005 |
| 6912388 |
Providing roaming service among private mobile switching centers |
Jun. 28, 2005 |
| 6895088 |
System and method for controlling a call processing system |
May. 17, 2005 |
| 6882725 |
Method and apparatus for connecting to IP private branch exchange |
Apr. 19, 2005 |
| 6873699 |
Network linkage type private branch exchange system and control method thereof |
Mar. 29, 2005 |
| 6856678 |
Method for updating call redirection destinations in a communication network |
Feb. 15, 2005 |
| 6816587 |
Virtual private line connection system and method |
Nov. 9, 2004 |
| 6816588 |
Method for switching telephone calls between two telephone networks using a central controller |
Nov. 9, 2004 |
| 6760427 |
Computer telephony (CT) network serving multiple telephone switches |
Jul. 6, 2004 |
| 6751308 |
Signaling method and network element for a virtual private network |
Jun. 15, 2004 |
| 6748065 |
Distributed automatic route selection using RIP caching |
Jun. 8, 2004 |
| 6735196 |
System and method for partially emulating peripherals in hardware for improving delay tolerance in master-slave type communication systems |
May. 11, 2004 |
| 6700970 |
LAN phone system with automatic fallback for power or network failure |
Mar. 2, 2004 |
| 6687351 |
Method for providing telephone services for commercial classes of service |
Feb. 3, 2004 |
| 6643709 |
Device and method for transporting and converting protocol messages from one protocol into another |
Nov. 4, 2003 |
| 6633591 |
Switch device and system |
Oct. 14, 2003 |
| 6628776 |
DNIC peripheral extender |
Sep. 30, 2003 |
| 6571108 |
Private branch mobile communication system and method |
May. 27, 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 |
| 6430282 |
Methods and apparatus for originating voice calls |
Aug. 6, 2002 |
| 6430283 |
Communication system consisting of at least two private branch exchanges with pbx team function |
Aug. 6, 2002 |
| 6418146 |
Integrated communication center functionality for WAP devices |
Jul. 9, 2002 |
| 6411706 |
Office call state display system |
Jun. 25, 2002 |
| 6404881 |
Exchange and an exchange system in a communication network |
Jun. 11, 2002 |
|
|
|
