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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 |
| 5577113 |
Apparatus and method for virtual private telephone line with automatic ring down |
Nov. 19, 1996 |
| 5574782 |
Minimizing service disruptions in handling call request messages where new message formats are needed in a telecommunication network |
Nov. 12, 1996 |
| 5572581 |
Method and apparatus for delivering calling services |
Nov. 5, 1996 |
| 5572582 |
Method and apparatus for establishing communication between two teleconferencing endpoints |
Nov. 5, 1996 |
| 5572584 |
Connection control method for personal communications |
Nov. 5, 1996 |
| 5572579 |
System and method for providing portable telephone number service |
Nov. 5, 1996 |
| 5572583 |
Advanced intelligent network with intelligent peripherals interfaced to the integrated services control point |
Nov. 5, 1996 |
| 5563930 |
Common channeling signaling network maintenance and testing |
Oct. 8, 1996 |
| 5563939 |
Method and system for delivering a communication service |
Oct. 8, 1996 |
| 5559877 |
Automatic provisioning of trunking and routing parameters in a telecommunications network |
Sep. 24, 1996 |
| 5555553 |
Method for supporting communication in a communication system using intermediaries between called parties |
Sep. 10, 1996 |
| 5555288 |
Voice processing system with a configurable telephone line interface |
Sep. 10, 1996 |
| 5553129 |
Method and apparatus for treating calls based on receipt of telecommunications carrier code indications |
Sep. 3, 1996 |
| 5550914 |
Communications signalling network apparatus |
Aug. 27, 1996 |
| 5550911 |
Adjunct call handling for accessing adjunct-based capabilities platform |
Aug. 27, 1996 |
| 5550906 |
Telecommunications feature server |
Aug. 27, 1996 |
| 5548639 |
Distributed control of telecommunication network for setting up an alternative communication path |
Aug. 20, 1996 |
| 5539816 |
Method of telephone signalling via data link |
Jul. 23, 1996 |
| 5539742 |
Process for signalling the call number in a telecommunication network |
Jul. 23, 1996 |
| 5537469 |
Bandwidth allocation of DPNSS networks |
Jul. 16, 1996 |
| 5533111 |
System for originating and receiving telephone calls over a virtual piped connection, and specialized customer premise equipment for use in the system |
Jul. 2, 1996 |
| 5533115 |
Network-based telephone system providing coordinated voice and data delivery |
Jul. 2, 1996 |
| 5521972 |
Communications system reconfigurable with reduced network configuration data |
May. 28, 1996 |
| 5519772 |
Network-based telephone system having interactive capabilities |
May. 21, 1996 |
| 5519836 |
Method of on-line permanent virtual circuit routing |
May. 21, 1996 |
| 5519705 |
Router for establishing connection among a plurality of LANs |
May. 21, 1996 |
| 5517564 |
Communication apparatus and method |
May. 14, 1996 |
| 5509061 |
Method for storing messages in networked message memory units |
Apr. 16, 1996 |
| 5504740 |
Line trunk unit connected to a time division switch, digital exchange and communications system using the line trunk unit |
Apr. 2, 1996 |
| 5502816 |
Method of routing a request for a virtual circuit based on information from concurrent requests |
Mar. 26, 1996 |
| 5493564 |
Method and apparatus for global routing of electronic messages |
Feb. 20, 1996 |
| 5490211 |
Automatic call distributor with internal written message communication system and method |
Feb. 6, 1996 |
| 5490212 |
Call-routing method for a virtual private network as well as service computer and exchange therefor |
Feb. 6, 1996 |
| 5487110 |
Apparatus and method for virtual private telephone line with automatic ring down |
Jan. 23, 1996 |
| 5481603 |
Intelligent call processing based upon complete identification of calling station |
Jan. 2, 1996 |
| 5475745 |
Abandoned call control and indication |
Dec. 12, 1995 |
| 5475732 |
Common channeling signaling network maintenance and testing |
Dec. 12, 1995 |
| 5473680 |
Methods and apparatus for interfacing with application programs to manage multimedia multiparty communications |
Dec. 5, 1995 |
| 5473679 |
Signaling system for broadband communications networks |
Dec. 5, 1995 |
| 5473681 |
Method for use in completing telephone calls |
Dec. 5, 1995 |
| 5469502 |
Telecommunication system for selecting optimum transfer rate |
Nov. 21, 1995 |
| 5467390 |
Data transmission via a public switched telephone network |
Nov. 14, 1995 |
| 5463683 |
Blocked call notification system |
Oct. 31, 1995 |
| 5459717 |
Method and apparatus for routing messagers in an electronic messaging system |
Oct. 17, 1995 |
| 5455855 |
System for connecting public network subscriber and private network subscriber |
Oct. 3, 1995 |
| 5455827 |
Multi-processing and direct routing of signalling protocols in voice communication channels |
Oct. 3, 1995 |
| 5448631 |
Apparatus for handling features in a telephone network |
Sep. 5, 1995 |
| 5444773 |
Method for releasing unnecessary trucks from a telephone call |
Aug. 22, 1995 |
| 5442689 |
Apparatus and method for providing services prior to call completion in a telecommuncation system |
Aug. 15, 1995 |
| 5440563 |
Service circuit allocation in large networks |
Aug. 8, 1995 |
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