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Class Information
Number: 379/229
Name: Telephonic communications > Plural exchange network or interconnection > Interexchange signalling
Description: Subject matter including transmission of control or supervisory signals between exchanges.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE36228 |
Call progress capability for a switched channel data service unit |
Jun. 15, 1999 |
| 5912897 |
Method for converting messages exhibiting different formats in communication systems |
Jun. 15, 1999 |
| 5912946 |
Method for detecting improper delivery of parameters, in an initial address message, from an interconnecting switch |
Jun. 15, 1999 |
| 5909481 |
Method relating to telecommunications |
Jun. 1, 1999 |
| 5898768 |
Method and apparatus for processing a sequence of calls |
Apr. 27, 1999 |
| 5898769 |
Call routing based on prior telephone calls |
Apr. 27, 1999 |
| 5898765 |
System and method for real-time exchange of customer data between telecommunications companies (quick pic) |
Apr. 27, 1999 |
| 5889847 |
Method for signalling connection control part message loop prevention |
Mar. 30, 1999 |
| 5889848 |
Peripheral control in an intelligent network |
Mar. 30, 1999 |
| 5883952 |
Communication switching system with performance characteristics system and a base switching system |
Mar. 16, 1999 |
| 5883946 |
Method and apparatus for provisioning customized telecommunications services |
Mar. 16, 1999 |
| 5883951 |
Method and arrangement for untrapping an unsuccessful call |
Mar. 16, 1999 |
| 5875234 |
Computer integrated PBX system |
Feb. 23, 1999 |
| 5875244 |
Transmission apparatus for relaying different types of trunk signals |
Feb. 23, 1999 |
| 5870464 |
Intelligent information routing system and method |
Feb. 9, 1999 |
| 5870452 |
System and method for controlling message looping between network elements |
Feb. 9, 1999 |
| 5867562 |
Call processing system with call screening |
Feb. 2, 1999 |
| 5864614 |
Intelligent peripheral and network control |
Jan. 26, 1999 |
| 5864608 |
System and method for formatting performance data in a telecommunications system |
Jan. 26, 1999 |
| 5864612 |
Caller selective identification for telephone calls |
Jan. 26, 1999 |
| 5862208 |
Method and system for enabling a party to change terminals during a call |
Jan. 19, 1999 |
| 5848140 |
Multi-network feature application |
Dec. 8, 1998 |
| 5848145 |
Automatic learning of network routing using random routes |
Dec. 8, 1998 |
| 5848143 |
Communications system using a central controller to control at least one network and agent system |
Dec. 8, 1998 |
| 5844895 |
ATM communications network |
Dec. 1, 1998 |
| 5844981 |
Method and system of improved routing to WATS |
Dec. 1, 1998 |
| 5838781 |
Method and arrangement of establishing bearer capability information on a call incoming to an ISDN exchange |
Nov. 17, 1998 |
| 5835584 |
Method and apparatus for implementing services in telephone networks provided with co-channel signaling |
Nov. 10, 1998 |
| 5835583 |
Mediated AIN control of short code access to information service providers |
Nov. 10, 1998 |
| 5825860 |
Load sharing group of service control points connected to a mediation point for traffic management control |
Oct. 20, 1998 |
| 5825857 |
Method and system for calling card validation hubbing |
Oct. 20, 1998 |
| 5821875 |
Data switching device |
Oct. 13, 1998 |
| 5822421 |
Communication method between processors in a decentralized multi-node exchange system |
Oct. 13, 1998 |
| 5822420 |
Signaling protocol for multilink access network-local exchange interfaces |
Oct. 13, 1998 |
| 5818920 |
Apparatus for controlling communication connections based on local time |
Oct. 6, 1998 |
| 5812656 |
System for providing prioritized connections in a public switched network |
Sep. 22, 1998 |
| 5809127 |
Method and apparatus for remote control influencing of ISDN performance features |
Sep. 15, 1998 |
| 5809121 |
System and method for generating a network call identifier |
Sep. 15, 1998 |
| 5805692 |
Private automatic branch exchange (PABX) system with transparent computer supported telecommunications applications (CSTA) functionality |
Sep. 8, 1998 |
| 5805675 |
Method and system for creating a two-way voice path to facilitate a call prompter/voice prompter feature |
Sep. 8, 1998 |
| 5802164 |
Systems and methods for controlling telephone sound enhancement on a per call basis |
Sep. 1, 1998 |
| 5799076 |
Telecommunication system for providing status information of connected parties having associated party processses |
Aug. 25, 1998 |
| 5793857 |
Method of using dynamic database to improve telephone number portability |
Aug. 11, 1998 |
| 5793860 |
Method and arrangement for controlling performance features of an exchange |
Aug. 11, 1998 |
| 5790648 |
Dynamically negotiated application program interface method |
Aug. 4, 1998 |
| 5787257 |
Control method for station-to-station slave transmission |
Jul. 28, 1998 |
| 5787162 |
Apparatus and method for scheduling urgent communication sessions |
Jul. 28, 1998 |
| 5787160 |
Intelligent routing of special service calls |
Jul. 28, 1998 |
| 5781623 |
Method of controlling an access network as well as exchange and access network |
Jul. 14, 1998 |
| 5781620 |
Method and system for toll carrier selection |
Jul. 14, 1998 |
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