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Class Information
Number: 370/271
Name: Multiplex communications > Special services > Special feature of multiplex telephone terminal
Description: Subject matter including structural details of a telephone used to provide special services to a subscriber in the multiplex communications.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7286493 |
Network-based notification of voice mail |
Oct. 23, 2007 |
| 7286492 |
Private branch exchange (PBX) conditioning method and apparatus |
Oct. 23, 2007 |
| 7283833 |
Push to talk system |
Oct. 16, 2007 |
| 7203177 |
Bandwidth efficient conferencing system with distributed processing |
Apr. 10, 2007 |
| 7095836 |
Enhanced IP phone operation |
Aug. 22, 2006 |
| 6999752 |
Portable telephone and music reproducing method |
Feb. 14, 2006 |
| 6967933 |
Processing multimedia calls in a packet-based network |
Nov. 22, 2005 |
| 6952785 |
Methods and apparatus for powering a data communications port |
Oct. 4, 2005 |
| 6937616 |
Method and apparatus for providing packet based and distributed xDSL communications |
Aug. 30, 2005 |
| 6920113 |
Transport of iscochronous and bursty data on a sonet ring |
Jul. 19, 2005 |
| 6909778 |
Enhanced IP phone operation |
Jun. 21, 2005 |
| 6882717 |
Undetected provision of auxiliary services during a telephone conversation |
Apr. 19, 2005 |
| 6873604 |
Method and apparatus for transitioning comfort noise in an IP-based telephony system |
Mar. 29, 2005 |
| 6870807 |
Method and apparatus for suppressing music on hold |
Mar. 22, 2005 |
| 6819719 |
Method to transfer trellis code modulated digital data over a digital subscriber line, and related modulator and demodulator devices |
Nov. 16, 2004 |
| 6769026 |
Method and system for accessing intelligent network service applications |
Jul. 27, 2004 |
| 6711174 |
Process, control system, terminal, exchange, incoupling device, decoupling device, and combination device for providing functions to a telecommunications terminal |
Mar. 23, 2004 |
| 6707797 |
Multi-line telephony via network gateways |
Mar. 16, 2004 |
| 6687258 |
Telecommunications system with a switching facility and a data concentrator for providing access to the internet |
Feb. 3, 2004 |
| 6594255 |
PBX with short messaging service on a telephone display |
Jul. 15, 2003 |
| 6549520 |
Method and apparatus for varying power levels in a multicarrier modem |
Apr. 15, 2003 |
| 6546008 |
Method and configuration for providing performance features via a communications network |
Apr. 8, 2003 |
| 6542475 |
Method and system for providing enhanced call service features at remote locations |
Apr. 1, 2003 |
| 6539001 |
Visual telephone apparatus and data compression multiplexing method therefor as well as recording medium on which data compression multiplexing control program is recorded |
Mar. 25, 2003 |
| 6526058 |
VODSL service provision |
Feb. 25, 2003 |
| 6487175 |
Control of power supply to subcribers in digital switch board with respect to data-communication calls |
Nov. 26, 2002 |
| 6480122 |
Power supply for ethernet LAN connected telephone |
Nov. 12, 2002 |
| 6452947 |
Information retrieval system and information terminal used in the same, and recording medium |
Sep. 17, 2002 |
| 6400693 |
Communications apparatus for multimedia information |
Jun. 4, 2002 |
| 6370149 |
Telecommunication system, method and subscriber unit for use therein |
Apr. 9, 2002 |
| 6359896 |
Dynamic selection of interworking functions in a communication system |
Mar. 19, 2002 |
| 6259708 |
System and method of transmitting voice over digital subscriber line |
Jul. 10, 2001 |
| 6188677 |
Telephone apparatus used for computer network telephone system |
Feb. 13, 2001 |
| 6091803 |
Architecture for robust voice CTI |
Jul. 18, 2000 |
| 6029065 |
Remote feature code programming for mobile stations |
Feb. 22, 2000 |
| 6009157 |
Automatic call back under control of a telephone terminal |
Dec. 28, 1999 |
| 5949765 |
Virtual multiplexing of telephony lines |
Sep. 7, 1999 |
| 5857017 |
Call waiting notifying apparatus |
Jan. 5, 1999 |
| 5805684 |
Communication terminal device |
Sep. 8, 1998 |
| 5786919 |
Data multiplexing node for line array |
Jul. 28, 1998 |
| 5764627 |
Method and apparatus for a hands-free speaker phone |
Jun. 9, 1998 |
| 5764628 |
Dual port interface for communication between a voice-over-data system and a conventional voice system |
Jun. 9, 1998 |
| 5761294 |
Method and system for connecting a digital phone limited to analog transmissions |
Jun. 2, 1998 |
| 5740163 |
Dual-mode ISDN/STN video telephony terminal |
Apr. 14, 1998 |
| 5701295 |
Variable communication bandwidth for providing automatic call back and call hold |
Dec. 23, 1997 |
| 5673256 |
Apparatus and method for sending data messages at an optimum time |
Sep. 30, 1997 |
| 5631745 |
Multi-function telecommunications instrument |
May. 20, 1997 |
| 5631954 |
Method and apparatus for controlling a telephone |
May. 20, 1997 |
| 5629978 |
Service delivery using broadband |
May. 13, 1997 |
| 5623537 |
Telephone message center |
Apr. 22, 1997 |
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