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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 |
| 5781615 |
Fully distributed message storage facilities in a distributed switching system |
Jul. 14, 1998 |
| 5774538 |
Exchange service starting system |
Jun. 30, 1998 |
| 5774533 |
Method and system for providing a billing directed communication service |
Jun. 30, 1998 |
| 5771284 |
Method for updating a local switch internal database in a system having different service providers within a common numbering plan area |
Jun. 23, 1998 |
| 5768361 |
Flexible enhanced signaling subsystem for a telecommunications switch |
Jun. 16, 1998 |
| 5768308 |
System for TDMA mobile-to-mobile VSELP codec bypass |
Jun. 16, 1998 |
| 5768358 |
Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial plan |
Jun. 16, 1998 |
| 5764750 |
Communicating between diverse communications environments |
Jun. 9, 1998 |
| 5764745 |
Apparatus and method for local number portability using nongeographic subscriber numbers |
Jun. 9, 1998 |
| 5764740 |
System and method for optimal logical network capacity dimensioning with broadband traffic |
Jun. 9, 1998 |
| 5761292 |
Simultaneous transfer of control information with voice and data over a public switched telephone network line |
Jun. 2, 1998 |
| 5757903 |
Flexible direct and shared termination call processing |
May. 26, 1998 |
| 5758281 |
Personal communications service using wireline/wireless integration |
May. 26, 1998 |
| 5754546 |
AIN narrowband to video signalling |
May. 19, 1998 |
| 5742674 |
Automatic call-back system and method using data indicating best time to call |
Apr. 21, 1998 |
| 5734710 |
Communication system having a service feature which can be activated and/or deactivated |
Mar. 31, 1998 |
| 5732127 |
Real-time network for distributed telecommunication accounting systems |
Mar. 24, 1998 |
| 5729597 |
Service and information management system for a telecommunications network |
Mar. 17, 1998 |
| 5719930 |
Method of volume screening signalling messages in a telecommunication system |
Feb. 17, 1998 |
| 5719927 |
Apparatus and a method for controlling a collect call |
Feb. 17, 1998 |
| 5717750 |
Method for prohibiting continual routing of a call between central office switches due to translation data error |
Feb. 10, 1998 |
| 5712901 |
Automatic voice/text translation of phone mail messages |
Jan. 27, 1998 |
| 5712903 |
Split intelligent peripheral for broadband and narrowband services |
Jan. 27, 1998 |
| 5710809 |
Method of and system for efficient use of telecommunication voice networks |
Jan. 20, 1998 |
| 5708702 |
Dynamic STP routing in response to triggering |
Jan. 13, 1998 |
| 5705998 |
Method for routing telecommunication calls in a network |
Jan. 6, 1998 |
| 5703941 |
Connection control method for personal communications |
Dec. 30, 1997 |
| 5703940 |
Method and apparatus for delivering calling services |
Dec. 30, 1997 |
| 5703938 |
Method of optimizing access trunk configurations and system therefor |
Dec. 30, 1997 |
| 5694398 |
Network termination and network termination arrangement of a telecommunications network |
Dec. 2, 1997 |
| 5692039 |
Improved data transmission via a public switched telephone network |
Nov. 25, 1997 |
| 5692030 |
Electronic interface for exchange of trouble administration information in telecommunications |
Nov. 25, 1997 |
| 5689554 |
Internetwork communication system for managing subscriber switches between networks |
Nov. 18, 1997 |
| 5684866 |
Method and apparatus for access to telephone operator services |
Nov. 4, 1997 |
| 5680446 |
Advanced intelligent network screening |
Oct. 21, 1997 |
| 5677683 |
Method and device for transferring messages in connectionless communication |
Oct. 14, 1997 |
| 5675638 |
Communications device entry method and apparatus |
Oct. 7, 1997 |
| 5673310 |
Hierarchical switch support of services for subscribers of separate centrex exchanges |
Sep. 30, 1997 |
| 5673311 |
Hierarchical switch support of services for subscribers directly served by local exchange carriers |
Sep. 30, 1997 |
| 5668860 |
Call screening at a hierarchical switch based on organizational membership of the parties |
Sep. 16, 1997 |
| 5661725 |
Trunk-conditioning for reconfigurable T1 access to nodal services |
Aug. 26, 1997 |
| 5652790 |
Hierarchical switch support of services for subscribers based on organizational membership |
Jul. 29, 1997 |
| 5646985 |
Hierarchical switch support of services for subscribers of independent private branch exchanges |
Jul. 8, 1997 |
| 5644631 |
Method and apparatus for delivering calling services |
Jul. 1, 1997 |
| 5615254 |
Methods and systems for dynamic routing in a switched comunication network |
Mar. 25, 1997 |
| 5598464 |
Method and apparatus for providing local number portability |
Jan. 28, 1997 |
| 5590186 |
System and method for redirecting a telephone call with call merging |
Dec. 31, 1996 |
| 5586177 |
Intelligent signal transfer point (ISTP) |
Dec. 17, 1996 |
| 5583926 |
Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial plan |
Dec. 10, 1996 |
| 5579381 |
Methods and apparatus for providing suppressed ringing access |
Nov. 26, 1996 |
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