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Class Information
Number: 379/242
Name: Telephonic communications > Centralized switching system
Description: Subject matter which selectively connects two telephone subscriber lines for communication.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5960442 |
Real-time interactive directory |
Sep. 28, 1999 |
| 5940487 |
Programmable call processing system and method |
Aug. 17, 1999 |
| 5926102 |
Method for controlling bidirectional line protection switching by using a remote defect indication signal |
Jul. 20, 1999 |
| 5923749 |
Method and system for eliminating acoustic echos in a digital telecommunication system |
Jul. 13, 1999 |
| 5917902 |
Methods and systems for determining the classification of a call |
Jun. 29, 1999 |
| 5907609 |
Method and apparatus for a universal handling procedure of special services |
May. 25, 1999 |
| 5907610 |
Networked telephony central offices |
May. 25, 1999 |
| 5892950 |
Interface for telecommunications network management |
Apr. 6, 1999 |
| 5892451 |
Remote management of computing devices |
Apr. 6, 1999 |
| 5892818 |
Method of controlling message overload on a program in a plural processor controlled switching system |
Apr. 6, 1999 |
| 5883952 |
Communication switching system with performance characteristics system and a base switching system |
Mar. 16, 1999 |
| 5883949 |
Method for a private branch communications exchange to activate a night service configuration |
Mar. 16, 1999 |
| 5878125 |
Method for storing analysis data in a telephone exchange |
Mar. 2, 1999 |
| 5870462 |
Method and system for controlling the operation of a telephone exchange from a subscriber connection |
Feb. 9, 1999 |
| RE36051 |
Automatic call distribution network with call overload system and method |
Jan. 19, 1999 |
| 5835580 |
Method and apparatus for automated provisioning and billing of communication services |
Nov. 10, 1998 |
| 5828745 |
Call processing method adapted for deleting a misdialed digit |
Oct. 27, 1998 |
| 5825301 |
Cross connect apparatus with routed path protecting function |
Oct. 20, 1998 |
| 5822422 |
Method and apparatus for controlling an exchange |
Oct. 13, 1998 |
| 5812657 |
Telephone number data input methods and apparatus |
Sep. 22, 1998 |
| 5812656 |
System for providing prioritized connections in a public switched network |
Sep. 22, 1998 |
| 5802155 |
Method and apparatus for controlling regular and supressed ringing connections in a telecommunications network |
Sep. 1, 1998 |
| 5802159 |
Method and apparatus for providing a customized telecommunication service |
Sep. 1, 1998 |
| 5802162 |
Method for selectively changing the call handling capacity of a telecommunications switch |
Sep. 1, 1998 |
| 5793856 |
Switch system for switching extension numbers |
Aug. 11, 1998 |
| 5790647 |
Subscriber feature services in a telecommunications system |
Aug. 4, 1998 |
| 5774538 |
Exchange service starting system |
Jun. 30, 1998 |
| 5768356 |
User programmable personal call manager |
Jun. 16, 1998 |
| 5764756 |
Networked telephony central offices |
Jun. 9, 1998 |
| 5748723 |
Telephone system |
May. 5, 1998 |
| 5734697 |
Method and apparatus for improving telecommunications system performance |
Mar. 31, 1998 |
| 5727058 |
Apparatus and method for routing communications to a variety of CPE devices |
Mar. 10, 1998 |
| 5717747 |
Arrangement for facilitating plug-and-play call features |
Feb. 10, 1998 |
| 5687225 |
System for adding outbound dialing to inbound call distributors |
Nov. 11, 1997 |
| 5686905 |
Input/output switching apparatus having virtual control |
Nov. 11, 1997 |
| 5682533 |
Updating software within a telecommunications switch without interrupting existing communication and neither moving nor converting data |
Oct. 28, 1997 |
| 5675634 |
Announcement apparatus for switching system |
Oct. 7, 1997 |
| 5673261 |
Communication system |
Sep. 30, 1997 |
| 5655014 |
Switching device independent computer-telephone integration system |
Aug. 5, 1997 |
| 5655015 |
Computer-telephone integration system |
Aug. 5, 1997 |
| 5651062 |
Automatic private branch exchange apparatus |
Jul. 22, 1997 |
| 5651059 |
Service package field update for a-i-net SCN and SCP |
Jul. 22, 1997 |
| 5651058 |
Hotel interactive communication apparatus |
Jul. 22, 1997 |
| 5649005 |
PC with telephony exchange function |
Jul. 15, 1997 |
| 5610976 |
Dual channel ISDN terminal call identification and switching system |
Mar. 11, 1997 |
| 5606555 |
Apparatus and method for operating and constructing an optical TDM/TDMA system having enhanced range |
Feb. 25, 1997 |
| 5596634 |
Telecommunications system for dynamically selecting conversation topics having an automatic call-back feature |
Jan. 21, 1997 |
| 5594861 |
Method and apparatus for handling processing errors in telecommunications exchanges |
Jan. 14, 1997 |
| 5586179 |
System and method for adding and integrating outbound calling and overall system control to an existing inbound telephone system |
Dec. 17, 1996 |
| 5586178 |
Interface for automatic call distributor for performing agent functions via host computer |
Dec. 17, 1996 |
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