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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 |
| 5438569 |
Transcoder |
Aug. 1, 1995 |
| 5422943 |
Private branch exchange networks |
Jun. 6, 1995 |
| 5422935 |
Method of and apparatus for providing a local PSTN interconnect with a cellular base site |
Jun. 6, 1995 |
| 5420916 |
Signaling network having common signaling node for protocol conversion |
May. 30, 1995 |
| 5418847 |
Communication terminal apparatus |
May. 23, 1995 |
| 5402479 |
Method and apparatus for translating signaling information |
Mar. 28, 1995 |
| 5394463 |
Telephone call processing arrangement based on calling and called party telephone services |
Feb. 28, 1995 |
| 5390241 |
Shared line appearance across a plurality of switching systems |
Feb. 14, 1995 |
| 5384840 |
Telecommunications system SS7 signaling interface with signal transfer capability |
Jan. 24, 1995 |
| 5384839 |
Trunk apparatus for loop dialing trunk line |
Jan. 24, 1995 |
| 5347512 |
Telecommunication system with delay data buffer and method |
Sep. 13, 1994 |
| 5333184 |
Call message recording for telephone systems |
Jul. 26, 1994 |
| 5329572 |
Dial-up switching and transmission of broadband communication channels through a local exchange |
Jul. 12, 1994 |
| 5327489 |
Method and apparatus for monitoring a network for customer signaling during the term of a call |
Jul. 5, 1994 |
| 5319640 |
Transmitting/receiving system having digital switching network |
Jun. 7, 1994 |
| 5278892 |
Mobile telephone system call processing arrangement |
Jan. 11, 1994 |
| 5274696 |
Protocol for transmitting messages in a network |
Dec. 28, 1993 |
| 5270701 |
Service processing system with distributed data bases |
Dec. 14, 1993 |
| 5260990 |
Multiple integrations unit for coupling different switching systems to a message storage system |
Nov. 9, 1993 |
| 5255314 |
Switch adjunct integration arrangement |
Oct. 19, 1993 |
| 5249222 |
Host remote signalling in telephone systems |
Sep. 28, 1993 |
| 5222130 |
Message arrangement and method for implementing a digital telephone system |
Jun. 22, 1993 |
| 5212691 |
Private network with means for establishing virtual tie trunks between PBXS through ISDN public network |
May. 18, 1993 |
| 5206902 |
Network signaling arrangement for controlling tandem network functions |
Apr. 27, 1993 |
| 5185785 |
Method and apparatus for recording and rating telecommunication transactions made over a communication network |
Feb. 9, 1993 |
| 5095480 |
Message routing system for shared communication media networks |
Mar. 10, 1992 |
| 5089954 |
Method for handling conversational transactions in a distributed processing environment |
Feb. 18, 1992 |
| 5063592 |
Control of non-locally switched telecommunication services |
Nov. 5, 1991 |
| 5060259 |
Call progress capability for a switched channel data service unit |
Oct. 22, 1991 |
| 5046088 |
Converter for in-band routing and/or origination information |
Sep. 3, 1991 |
| 5046181 |
Switching system with two-way line managing system |
Sep. 3, 1991 |
| 5010569 |
Telephone-call distributor |
Apr. 23, 1991 |
| 5007080 |
Communication system supporting remote operations |
Apr. 9, 1991 |
| 4995076 |
Call progress capability for a switched channel data service unit |
Feb. 19, 1991 |
| 4985832 |
SIMD array processing system with routing networks having plurality of switching stages to transfer messages among processors |
Jan. 15, 1991 |
| 4953203 |
High capacity information forwarding system |
Aug. 28, 1990 |
| 4943998 |
Intermeshed communication network |
Jul. 24, 1990 |
| 4924500 |
Carrier independent network services |
May. 8, 1990 |
| 4924495 |
Enhanced communication services and apparatus |
May. 8, 1990 |
| 4907260 |
Telephone line communications control system |
Mar. 6, 1990 |
| 4852157 |
Multi-task state machine signalling translator |
Jul. 25, 1989 |
| 4837799 |
Telephone line communications control system |
Jun. 6, 1989 |
| 4811388 |
Telecommunication network including a central back-up memory |
Mar. 7, 1989 |
| 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 |
| 4757526 |
Signal transfer arrangement |
Jul. 12, 1988 |
| 4752951 |
Method of providing location dependent person locator service |
Jun. 21, 1988 |
| 4748658 |
Architecture for allocating resources in a telecommunications network |
May. 31, 1988 |
| 4723272 |
Telecommunication system, in particular telephone system |
Feb. 2, 1988 |
| 4706276 |
Arrangement for transferring data to a centrex |
Nov. 10, 1987 |
| 4706277 |
Interface circuit for transmitting command codes to an attendant console |
Nov. 10, 1987 |
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