DE69433604D1 - Zweifachanschluss-Schnittstelle für rechnergestütztes, auf dem Telefonnetz basierendes persönliches Kommunikationssystem mit mehreren Funktionen - Google Patents

Zweifachanschluss-Schnittstelle für rechnergestütztes, auf dem Telefonnetz basierendes persönliches Kommunikationssystem mit mehreren Funktionen

Info

Publication number
DE69433604D1
DE69433604D1 DE69433604T DE69433604T DE69433604D1 DE 69433604 D1 DE69433604 D1 DE 69433604D1 DE 69433604 T DE69433604 T DE 69433604T DE 69433604 T DE69433604 T DE 69433604T DE 69433604 D1 DE69433604 D1 DE 69433604D1
Authority
DE
Germany
Prior art keywords
site
connection
remote
remote site
telephone network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69433604T
Other languages
English (en)
Inventor
Jeffrey P Davis
Raghu Sharma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Multi Tech Systems Inc
Original Assignee
Multi Tech Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Multi Tech Systems Inc filed Critical Multi Tech Systems Inc
Application granted granted Critical
Publication of DE69433604D1 publication Critical patent/DE69433604D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1069Session establishment or de-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/70Media network packetisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80Responding to QoS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/247Telephone sets including user guidance or feature selection means facilitating their use
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/247Telephone sets including user guidance or feature selection means facilitating their use
    • H04M1/2473Telephone terminals interfacing a personal computer, e.g. using an API (Application Programming Interface)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/247Telephone sets including user guidance or feature selection means facilitating their use
    • H04M1/2477Telephone sets including user guidance or feature selection means facilitating their use for selecting a function from a menu display
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/253Telephone sets using digital voice transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/064Data transmission during pauses in telephone conversation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/068Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using time division multiplex techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/5307Centralised arrangements for recording incoming messages, i.e. mailbox systems for recording messages comprising any combination of audio and non-audio components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/533Voice mail systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/567Multimedia conference systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/0024Services and arrangements where telephone services are combined with data services
    • H04M7/0033Notification or handling of incoming calls by a computer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/12Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/128Details of addressing, directories or routing tables
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/12Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1295Details of dual tone multiple frequency signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H04N1/00206Transmitting or receiving computer data via an image communication device, e.g. a facsimile transceiver
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6424Access arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6424Access arrangements
    • H04L2012/6427Subscriber Access Module; Concentrator; Group equipment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6445Admission control
    • H04L2012/6459Multiplexing, e.g. TDMA, CDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6475N-ISDN, Public Switched Telephone Network [PSTN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6481Speech, voice
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6491Echo cancellation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6494Silence suppression
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/64Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65Recording arrangements for recording a message from the calling party
    • H04M1/6505Recording arrangements for recording a message from the calling party storing speech in digital form
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/45Aspects of automatic or semi-automatic exchanges related to voicemail messaging
    • H04M2203/4509Unified messaging with single point of access to voicemail and other mail or messaging systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/62Details of telephonic subscriber devices user interface aspects of conference calls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/002Applications of echo suppressors or cancellers in telephonic connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Exchange Systems With Centralized Control (AREA)
DE69433604T 1993-12-03 1994-06-29 Zweifachanschluss-Schnittstelle für rechnergestütztes, auf dem Telefonnetz basierendes persönliches Kommunikationssystem mit mehreren Funktionen Expired - Lifetime DE69433604D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/161,915 US5453986A (en) 1993-01-08 1993-12-03 Dual port interface for a computer-based multifunction personal communication system

Publications (1)

Publication Number Publication Date
DE69433604D1 true DE69433604D1 (de) 2004-04-15

Family

ID=22583351

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69433604T Expired - Lifetime DE69433604D1 (de) 1993-12-03 1994-06-29 Zweifachanschluss-Schnittstelle für rechnergestütztes, auf dem Telefonnetz basierendes persönliches Kommunikationssystem mit mehreren Funktionen

Country Status (6)

Country Link
US (3) US5453986A (de)
EP (1) EP0656718B1 (de)
JP (1) JP2790978B2 (de)
AT (1) ATE261639T1 (de)
CA (1) CA2126953C (de)
DE (1) DE69433604D1 (de)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6389010B1 (en) * 1995-10-05 2002-05-14 Intermec Ip Corp. Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
US5453986A (en) 1993-01-08 1995-09-26 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US5581270A (en) * 1993-06-24 1996-12-03 Nintendo Of America, Inc. Hotel-based video game and communication system
US5959596A (en) * 1993-06-24 1999-09-28 Nintendo Co., Ltd. Airline-based video game and communications system
US6147696A (en) * 1993-06-24 2000-11-14 Nintendo Co. Ltd. Electronic entertainment and communication system
US6762733B2 (en) * 1993-06-24 2004-07-13 Nintendo Co. Ltd. Electronic entertainment and communication system
US5682386A (en) 1994-04-19 1997-10-28 Multi-Tech Systems, Inc. Data/voice/fax compression multiplexer
US5757801A (en) 1994-04-19 1998-05-26 Multi-Tech Systems, Inc. Advanced priority statistical multiplexer
TW274671B (de) * 1994-06-24 1996-04-21 At & T Corp
KR960015851B1 (ko) * 1994-07-12 1996-11-22 재단법인 한국전자통신연구소 반향 제거회로의 제어 방법(Controlling Method of Echo Canceller Circuit)
US5675633A (en) * 1994-07-20 1997-10-07 Alcatel N.V. Digital telephone answering set
US5799190A (en) * 1994-08-09 1998-08-25 Apple Computer, Inc. Communications coprocessor for realizing bidirectional isochronous communications link with host computer
US5768350A (en) * 1994-09-19 1998-06-16 Phylon Communications, Inc. Real-time and non-real-time data multplexing over telephone lines
DE4446507A1 (de) * 1994-12-24 1996-06-27 Sel Alcatel Ag Digitales Telefon
WO1996021308A1 (fr) * 1995-01-05 1996-07-11 Ntt Mobile Communications Network Inc. Systeme et procede de commutation de communication
US5696699A (en) * 1995-02-13 1997-12-09 Intel Corporation Integrated cellular data/voice communication system working under one operating system
GB2298109B (en) * 1995-02-14 1999-09-01 Nokia Mobile Phones Ltd Data interface
US5602902A (en) * 1995-03-24 1997-02-11 Intel Corporation Four wire modem signal switching for voice and data applications
US5727154A (en) * 1995-04-28 1998-03-10 Fry; Shawn C. Program synchronization on first and second computers by determining whether information transmitted by first computer is an acceptable or unacceptable input to second computer program
US5884032A (en) * 1995-09-25 1999-03-16 The New Brunswick Telephone Company, Limited System for coordinating communications via customer contact channel changing system using call centre for setting up the call between customer and an available help agent
JPH09130346A (ja) * 1995-10-30 1997-05-16 Sony Corp Avデータ受信装置、avデータ送信装置および放送システム
US5704364A (en) * 1995-11-08 1998-01-06 Instromedix, Inc. Concurrent medical patient data and voice communication method and apparatus
GB9603582D0 (en) 1996-02-20 1996-04-17 Hewlett Packard Co Method of accessing service resource items that are for use in a telecommunications system
US5699413A (en) * 1995-12-13 1997-12-16 Motorola, Inc. Voice data modem, voice data method and voice data modem system
SE505556C2 (sv) * 1995-12-21 1997-09-15 Ericsson Telefon Ab L M Förfarande för inställning av en integrerad krets i ett förutbestämt av minst två skilda driftlägen samt integrerad krets
US5940383A (en) * 1996-01-29 1999-08-17 Qualcomm Incorporated Automatic data service selection
US5875234A (en) 1996-02-14 1999-02-23 Netphone, Inc. Computer integrated PBX system
US5841966A (en) * 1996-04-04 1998-11-24 Centigram Communications Corporation Distributed messaging system
US6427007B1 (en) 1996-05-09 2002-07-30 At&T Corporation System and method for completing a call while at least one call is established using analog interface to telephone network
US6205130B1 (en) * 1996-09-25 2001-03-20 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
US7788092B2 (en) * 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
FR2753862B1 (fr) * 1996-09-26 1998-12-11 Henri Tebeka Procede et systeme de communication interactive entre deux appareils telephoniques via le reseau internet
US5923747A (en) * 1996-09-27 1999-07-13 Rockwell International Corp. Communications system and interface circuit for interconnecting telephonic switch and agent computer
US6904037B2 (en) 1996-11-05 2005-06-07 Cisco Technology, Inc. Asymmetric implementation of DSVD for voice/data internet access
EP0841800A3 (de) * 1996-11-11 1998-05-27 Instromedix, Inc. Verfahren und Vorrichtung zur gleichzeitigen Übertragung von medizinischen Patientendaten und Sprache
US6253247B1 (en) * 1996-11-21 2001-06-26 Ragula Systems System and method for transmitting a user's data packets concurrently over different telephone lines between two computer networks
US6205124B1 (en) * 1996-12-31 2001-03-20 Compaq Computer Corporation Multipoint digital simultaneous voice and data system
US5946304A (en) * 1997-01-08 1999-08-31 Paradyne Corporation Method and apparatus for controlling the operation of a modem capable of transmitting and receiving both voice and data signals
US5819049A (en) * 1997-02-28 1998-10-06 Rietmann; Sandra D. Multi-media recording system and method
US6130916A (en) * 1997-07-10 2000-10-10 3Com Corporation Method and apparatus for improving a transmission data rate of baseband data in a wireless network
US6463051B1 (en) 1997-07-17 2002-10-08 Inter—tel, Inc. Internet calling system
US6021136A (en) * 1997-07-30 2000-02-01 At&T Corp. Telecommunication network that reduces tandeming of compressed voice packets
US6628780B2 (en) * 1997-10-31 2003-09-30 Lucent Technologies Inc. Echo cancellation in the network for data applications
US5931791A (en) * 1997-11-05 1999-08-03 Instromedix, Inc. Medical patient vital signs-monitoring apparatus
US6259708B1 (en) * 1998-02-04 2001-07-10 Texas Instruments Incorporated System and method of transmitting voice over digital subscriber line
US6112084A (en) * 1998-03-24 2000-08-29 Telefonaktiebolaget Lm Ericsson Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork
US6614781B1 (en) 1998-11-20 2003-09-02 Level 3 Communications, Inc. Voice over data telecommunications network architecture
US6442169B1 (en) 1998-11-20 2002-08-27 Level 3 Communications, Inc. System and method for bypassing data from egress facilities
KR100380632B1 (ko) * 1998-12-26 2003-06-18 엘지전자 주식회사 키폰 시스템의 다기능 인터페이스 장치
AU3383000A (en) * 1999-02-26 2000-09-14 Voice Technologies Group, Inc. Digital browser phone
US7120140B1 (en) * 1999-02-26 2006-10-10 Intel Corporation Digital browser phone
WO2000054485A1 (en) * 1999-03-06 2000-09-14 Dti Networks, Inc. System and method for administrating call and call feature set-up in a telecommunications network
US6775270B1 (en) * 1999-06-07 2004-08-10 At&T Wireless Services, Inc. Method for diverting an ISUP talkpath to an IP talkpath
US7197330B1 (en) 2000-03-14 2007-03-27 Intel Corporation Dual port wireless modem for circuit switched and packet switched data transfer
US6697421B1 (en) * 1999-11-19 2004-02-24 Intel Corporation Operator independent, transparent wireless modem management
US6363335B1 (en) 1999-09-20 2002-03-26 Xircom Wireless, Inc. Communications bridge for circuit switched data transfer simulation
CN1193293C (zh) * 1999-09-20 2005-03-16 捷迅无线公司 用于电路转换和分组转换数据传递的双端口无线调制解调器
US6820049B1 (en) 1999-09-20 2004-11-16 Intel Corporation Data collection system
US7092509B1 (en) 1999-09-21 2006-08-15 Microlog Corporation Contact center system capable of handling multiple media types of contacts and method for using the same
US20020061309A1 (en) * 2000-03-08 2002-05-23 Garger Stephen J. Production of peptides in plants as N-terminal viral coat protein fusions
AU2001253043A1 (en) * 2000-03-31 2001-10-15 Coppercom, Inc. Telecommunications system and methods
CA2370579A1 (en) * 2000-04-18 2001-10-25 Widcomm, Inc. Signal indicator for multi-tier wireless communication devices
US7324635B2 (en) 2000-05-04 2008-01-29 Telemaze Llc Branch calling and caller ID based call routing telephone features
AU2001255048B2 (en) * 2000-05-09 2006-09-21 Nice Systems Ltd. Method and apparatus for quality assurance in a multimedia communications environment
US6763041B1 (en) * 2000-06-16 2004-07-13 Network Equipment Technologies, Inc. Method and apparatus for a J2 interface
JP2002051031A (ja) * 2000-08-04 2002-02-15 Nec Corp 同期データ伝送装置
US7295614B1 (en) * 2000-09-08 2007-11-13 Cisco Technology, Inc. Methods and apparatus for encoding a video signal
US6884171B2 (en) * 2000-09-18 2005-04-26 Nintendo Co., Ltd. Video game distribution network
US6870830B1 (en) * 2000-11-30 2005-03-22 3Com Corporation System and method for performing messaging services using a data communications channel in a data network telephone system
US20030179860A1 (en) * 2002-03-22 2003-09-25 Multisuns Corp. Apparatus and method for recording meeting and/or teleconference
US7564861B1 (en) 2002-08-22 2009-07-21 3Com Corporation Systems and methods for compressing data
US7039179B1 (en) * 2002-09-27 2006-05-02 Plantronics, Inc. Echo reduction for a headset or handset
US7133521B2 (en) * 2002-10-25 2006-11-07 Dilithium Networks Pty Ltd. Method and apparatus for DTMF detection and voice mixing in the CELP parameter domain
US7437162B1 (en) 2003-02-10 2008-10-14 Sprint Spectrum L.P. Method and system for dynamically delivering a voice call as voice or data depending on data-mode of destination terminal
US7272224B1 (en) * 2003-03-03 2007-09-18 Apple Inc. Echo cancellation
US20070060120A1 (en) * 2003-07-30 2007-03-15 Gerdes Reiner J Telemetry system and facsimile machine
US7369559B2 (en) * 2003-10-06 2008-05-06 Cisco Technology Inc. Adaptive call admission control for calls handled over a compressed clear channel
DE102004021319B4 (de) * 2004-04-30 2010-11-11 Siemens Ag Aufbau von Multihop-Kommunikationsverbindungen in Abhängigkeit von Begrenzungswerten
US7570630B1 (en) 2004-08-02 2009-08-04 Sprint Spectrum L.P. Dialed-digit based determination of whether to originate a call as a circuit-switched call or a packet-switched call
US8072909B2 (en) * 2004-11-15 2011-12-06 Applied Voice & Speech Technologies, Inc. Apparatus and method for notification of a party in a telephone conference
US20070016493A1 (en) * 2005-07-13 2007-01-18 Peter Kelly Real Time Bidding Interface Systems and Methods
CN101030993A (zh) * 2006-02-28 2007-09-05 鸿富锦精密工业(深圳)有限公司 无线通信设备及其网络电话信号的处理方法
US8315921B2 (en) * 2006-03-03 2012-11-20 Openlane, Inc. Vehicle co-listing systems and methods
US8738472B2 (en) * 2006-03-10 2014-05-27 Openlane, Inc. Systems and methods for vehicle lifecycle management
US8095422B2 (en) * 2006-03-10 2012-01-10 Openlane, Inc. Systems and methods for vehicle information management
US7583956B2 (en) * 2006-04-27 2009-09-01 Sony Ericsson Mobile Communications Ab System and method of conferencing endpoints
US8869032B2 (en) * 2008-03-13 2014-10-21 International Business Machines Corporation Telecom web browsers, and methods for defining a telecom web browser
US8867711B2 (en) * 2008-03-19 2014-10-21 International Business Machines Corporation Telecom web browsers, and methods for defining a telecom web browser
US20100223106A1 (en) 2009-02-27 2010-09-02 Hallowell Zachary E Wholesale Virtual Inventory and Retail Lead Generation
US8238538B2 (en) 2009-05-28 2012-08-07 Comcast Cable Communications, Llc Stateful home phone service
US20110022489A1 (en) * 2009-06-08 2011-01-27 Hallowell Zachary E Third-Party Inspection of Vehicles in an Electronic Marketplace System
US8089870B2 (en) * 2009-07-22 2012-01-03 Cisco Technology, Inc. QoE based admission control
US20110106643A1 (en) * 2009-09-28 2011-05-05 Berkowitz Ed Systems and Methods for Electronic Summary and Detail Performance Data of Equipment Sellers
US20110173086A1 (en) * 2009-12-14 2011-07-14 Berkowitz Ed Systems and Methods for Dynamic Pricing and Auction Adjudication During Online Auctions
US9189615B2 (en) 2010-04-28 2015-11-17 Openlane, Inc. Systems and methods for system login and single sign-on
JP6662489B2 (ja) * 2017-03-30 2020-03-11 東芝三菱電機産業システム株式会社 プレイバックシミュレーション試験システム
CN112486854B (zh) * 2020-12-28 2022-08-23 潍柴动力股份有限公司 与非型闪存Nand Flash存储管理方法及装置

Family Cites Families (203)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US34034A (en) * 1861-12-24 Improvement in bee-hives
US3304372A (en) * 1963-06-28 1967-02-14 Ibm Voice-data multiplexing system for transmitting data during pauses in the voice signals
US3789165A (en) * 1972-04-24 1974-01-29 Communications Satellite Corp Echo canceller with variable threshold
US3997732A (en) * 1972-07-03 1976-12-14 Mek-Tronix Laboratories Corporation Call tracing and identification system
US3904830A (en) * 1972-07-03 1975-09-09 Mek Tronix Lab Call tracing and identification system
US3973089A (en) * 1973-10-29 1976-08-03 General Electric Company Adaptive hybrid circuit
GB1529452A (en) * 1975-04-10 1978-10-18 Ansafone Ltd Detection of direct currents or voltages
US3973081A (en) * 1975-09-12 1976-08-03 Trw Inc. Feedback residue compression for digital speech systems
US4107471A (en) * 1977-03-22 1978-08-15 International Telephone & Telegraph Corp. Frequency division multiplex communications system
US4100377A (en) * 1977-04-28 1978-07-11 Bell Telephone Laboratories, Incorporated Packet transmission of speech
US4284850A (en) * 1977-12-23 1981-08-18 Storage Technology Corporation Digital memory providing fixed and variable delays in a TASI system
US4205202A (en) * 1978-01-18 1980-05-27 Kahn Leonard R Method and means for improving the spectrum utilization of multichannel telephone systems
US4354273A (en) * 1979-06-12 1982-10-12 Nippon Electric Company, Ltd. ADPCM System for speech or like signals
US4445213A (en) * 1979-07-31 1984-04-24 Bell Telephone Laboratories, Incorporated Communication line interface for controlling data information having differing transmission characteristics
US4341374A (en) * 1980-03-03 1982-07-27 Anderson Engineers, Inc. Water table with low profile conveyor system
JPS5723356A (en) * 1980-07-02 1982-02-06 Hitachi Ltd Sound signal converter
US4377860A (en) * 1981-01-05 1983-03-22 American Microsystems, Inc. Bandwidth reduction method and structure for combining voice and data in a PCM channel
DE3174560D1 (en) * 1981-07-28 1986-06-12 Ibm Transmission method for voice and digital data and arrangement for carrying out said method
US4425661A (en) * 1981-09-03 1984-01-10 Applied Spectrum Technologies, Inc. Data under voice communications system
US4476559A (en) * 1981-11-09 1984-10-09 At&T Bell Laboratories Simultaneous transmission of voice and data signals over a digital channel
US4500987A (en) * 1981-11-24 1985-02-19 Nippon Electric Co., Ltd. Loop transmission system
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
US4495620A (en) * 1982-08-05 1985-01-22 At&T Bell Laboratories Transmitting data on the phase of speech
US4531023A (en) * 1982-08-13 1985-07-23 Hlf Corporation Computer security system for a time shared computer accessed over telephone lines
JPS5944140A (ja) * 1982-09-06 1984-03-12 Nec Corp 音声・デ−タ多重化伝送方式
US4479195A (en) * 1982-09-07 1984-10-23 At&T Bell Laboratories Data conference system
JPS5981947A (ja) * 1982-11-01 1984-05-11 Oki Electric Ind Co Ltd パケツト伝送方式
US4534024A (en) * 1982-12-02 1985-08-06 At&T Bell Laboratories System and method for controlling a multiple access data communications system including both data packets and voice packets being communicated over a cable television system
US4609788A (en) * 1983-03-01 1986-09-02 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
US4652703A (en) * 1983-03-01 1987-03-24 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
GB2137057B (en) * 1983-03-18 1986-07-02 Telspec Ltd Improvements in and relating to signal transmission devices
US4598397A (en) * 1984-02-21 1986-07-01 Cxc Corporation Microtelephone controller
US4587651A (en) * 1983-05-04 1986-05-06 Cxc Corporation Distributed variable bandwidth switch for voice, data, and image communications
US4725977A (en) * 1983-06-03 1988-02-16 Cpt, Ltd. Cartridge programming system and method using a central and local program library
US4578537A (en) * 1983-08-05 1986-03-25 International Remote Imaging Systems, Inc. Telecommunication apparatus serving as an interface between a digital computer and an analog communication medium
US4524244A (en) * 1983-08-05 1985-06-18 Cygnet Technologies, Inc. Digital and voice telecommunication apparatus
JPS60130235A (ja) * 1983-12-16 1985-07-11 Fujitsu Ltd デ−タ・音声伝送装置
US4546212A (en) * 1984-03-08 1985-10-08 Crowder, Inc. Data/voice adapter for telephone network
JPS60203059A (ja) * 1984-03-14 1985-10-14 Hashimoto Corp 電話線の切換接続装置
DE3409532A1 (de) 1984-03-15 1985-09-19 Standard Elektrik Lorenz Ag, 7000 Stuttgart Kommunikationsendgeraet
US4593389A (en) * 1984-06-28 1986-06-03 Henry Wurzburg Simultaneous voice and asynchronous data telephone
US4697281A (en) * 1986-03-14 1987-09-29 Spectrum Cellular Communications Corporation, Inc. Cellular telephone data communication system and method
USRE34034E (en) * 1985-10-11 1992-08-18 Spectrum Information Technologies, Inc. Cellular telephone data communication system and method
GB8423017D0 (en) * 1984-09-12 1984-10-17 Plessey Co Plc Echo canceller
US4622680A (en) * 1984-10-17 1986-11-11 General Electric Company Hybrid subband coder/decoder method and apparatus
GB2166320B (en) * 1984-10-25 1988-10-12 Stc Plc Packet switching system
US4629829A (en) * 1984-12-14 1986-12-16 Motorola, Inc. Full duplex speakerphone for radio and landline telephones
US4751736A (en) * 1985-01-31 1988-06-14 Communications Satellite Corporation Variable bit rate speech codec with backward-type prediction and quantization
GB2171576B (en) * 1985-02-04 1989-07-12 Mitel Telecom Ltd Spread spectrum leaky feeder communication system
DE3504064A1 (de) 1985-02-07 1986-08-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Sende/empfangsgeraet zur uebertragung von handschriftlichen aufzeichnungen
US4750169A (en) * 1985-03-12 1988-06-07 Pacific Bell Telephone system and method for transmitting digital information
EP0200842B1 (de) * 1985-04-30 1992-10-14 International Business Machines Corporation Modem zur Steuerung eines Modemnetzes
US4718082A (en) * 1985-09-18 1988-01-05 Ark Electronics Modem for effecting full duplex asynchronous/synchronous digital data communications over voice grade telephone link
JPH0752845B2 (ja) * 1985-10-04 1995-06-05 日本電気株式会社 差分符号化回路
US4700341A (en) * 1985-10-30 1987-10-13 Racal Data Communications Inc. Stochastic time division multiplexing
DE3585034D1 (de) * 1985-10-30 1992-02-06 Ibm Verfahren zur bestimmung einer flachen echopfadverzoegerung und dieses verfahren verwendender echokompensator.
NL8600087A (nl) * 1986-01-17 1987-08-17 Philips Nv Inrichting voor vol-duplex datatransmissie over tweedraadsverbindingen.
US4740963A (en) * 1986-01-30 1988-04-26 Lear Siegler, Inc. Voice and data communication system
EP0239293A3 (de) * 1986-03-24 1988-12-14 Gpt Limited Datenübertragungssysteme
US4932048A (en) * 1986-04-15 1990-06-05 Canon Kabushiki Kaisha Data communication apparatus with voice communication control
US4926448A (en) * 1986-05-06 1990-05-15 Hayes Microcomputer Products, Inc. Method and apparatus for implementing an escape sequence
JPS62281553A (ja) * 1986-05-29 1987-12-07 Fujitsu Ltd 回線終端装置のバイパス方法
JPH0763171B2 (ja) * 1986-06-10 1995-07-05 株式会社日立製作所 データ/音声送受信方法
JPS6319951A (ja) * 1986-07-14 1988-01-27 Nippon Telegr & Teleph Corp <Ntt> 音声信号およびデ−タ信号の併合伝送方法およびその送信装置ならびに受信装置
US5008926A (en) * 1986-07-17 1991-04-16 Efrat Future Technology Ltd. Message management system
DE3630469A1 (de) 1986-09-06 1988-03-10 Standard Elektrik Lorenz Ag Druckempfindliches eingabetablett
US4813040A (en) * 1986-10-31 1989-03-14 Futato Steven P Method and apparatus for transmitting digital data and real-time digitalized voice information over a communications channel
JPH07118749B2 (ja) * 1986-11-14 1995-12-18 株式会社日立製作所 音声/データ伝送装置
ATE77719T1 (de) * 1986-11-17 1992-07-15 Alcatel Nv Einstellbarer echokompensator.
US4839802A (en) * 1986-11-19 1989-06-13 Extel Corporation Adaptation of computer to communication operation
ZA883232B (en) 1987-05-06 1989-07-26 Dowd Research Pty Ltd O Packet switches,switching methods,protocols and networks
US5001729A (en) * 1987-05-26 1991-03-19 Hayes Microcomputer Products, Inc. High speed half duplex modem with fast turnaround protocol
US4845746A (en) * 1987-06-23 1989-07-04 Rockwell International Corporation Echo canceller with relative feedback control
JP2712189B2 (ja) * 1987-09-08 1998-02-10 ソニー株式会社 モデム装置
US4891806A (en) 1987-09-18 1990-01-02 Racal Data Communications Inc. Constellation multiplexed inband secondary channel for voiceband modem
GB2210236B (en) * 1987-09-24 1991-12-18 Newbridge Networks Corp Speech processing system
JP2602847B2 (ja) * 1987-09-29 1997-04-23 株式会社日立製作所 マルチメディアメールシステム
US5008901A (en) * 1987-10-29 1991-04-16 U.S. Robotics, Inc. Asymmetrical duplex error-controlled modem
US4827085A (en) * 1987-11-19 1989-05-02 Ovonic Imaging Systems, Inc. Voice and image teleconferencing system including paperless facsimile means
US4995059A (en) * 1988-01-14 1991-02-19 Canon Kabushiki Kaisha Predictive coding device
US5025443A (en) * 1988-02-24 1991-06-18 Integrated Network Corporation Digital data over voice communication
AU613741B2 (en) 1988-02-29 1991-08-08 Information Resources, Inc. Passive data collection system for market research data
JPH01221042A (ja) * 1988-02-29 1989-09-04 Toshiba Corp パケット交換機の輻輳制御方法
CA1314965C (en) * 1988-03-01 1993-03-23 Gerald Molnar Data interface for telephone system
EP0331858B1 (de) * 1988-03-08 1993-08-25 International Business Machines Corporation Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten
US4890282A (en) * 1988-03-08 1989-12-26 Network Equipment Technologies, Inc. Mixed mode compression for data transmission
US4887265A (en) * 1988-03-18 1989-12-12 Motorola, Inc. Packet-switched cellular telephone system
US4847900A (en) * 1988-05-02 1989-07-11 Northern Telecom Limited Infrared hookswitch for a telephone
US5177734A (en) 1988-05-02 1993-01-05 Itt Corporation Multirate wire line modem apparatus
US5195130A (en) * 1988-05-05 1993-03-16 Transaction Technology, Inc. Computer and telephone apparatus with user friendly computer interface and enhanced integrity features
SE461308B (sv) * 1988-06-03 1990-01-29 Ericsson Telefon Ab L M Adaptivt digitalt filter omfattande en icke rekursiv del och en rekursiv del
US4991169A (en) * 1988-08-02 1991-02-05 International Business Machines Corporation Real-time digital signal processing relative to multiple digital communication channels
JPH0744511B2 (ja) * 1988-09-14 1995-05-15 富士通株式会社 高郊率多重化方式
US4864559A (en) * 1988-09-27 1989-09-05 Digital Equipment Corporation Method of multicast message distribution
EP0390931B1 (de) 1988-09-27 1996-03-06 Texas Instruments Japan Ltd. Verfahren zur betriebsartanpassung eines modems
US4905282A (en) * 1988-10-19 1990-02-27 Hayes Microcomputer Products, Inc. Feature negotiation protocol and dynamically adjustable retraining sequence for a high speed half duplex modem
US4953210A (en) * 1988-10-19 1990-08-28 Hayes Microcomputer Products, Inc. Feature negotiation protocol for a synchronous modem
US4912758A (en) * 1988-10-26 1990-03-27 International Business Machines Corporation Full-duplex digital speakerphone
US4890316A (en) * 1988-10-28 1989-12-26 Walsh Dale M Modem for communicating at high speed over voice-grade telephone circuits
US5001745A (en) * 1988-11-03 1991-03-19 Pollock Charles A Method and apparatus for programmed audio annotation
US5107519A (en) * 1988-11-17 1992-04-21 Canon Kabushiki Kaisha Coding device and a decoding device
US5130985A (en) 1988-11-25 1992-07-14 Hitachi, Ltd. Speech packet communication system and method
US5406560A (en) 1988-11-25 1995-04-11 Hitachi, Ltd. Speech packet communication system
DE3840433A1 (de) * 1988-12-01 1990-06-07 Philips Patentverwaltung Echokompensator
US4914650A (en) * 1988-12-06 1990-04-03 American Telephone And Telegraph Company Bandwidth allocation and congestion control scheme for an integrated voice and data network
FR2641093B1 (de) * 1988-12-23 1994-04-29 Alcatel Business Systems
US4935954A (en) * 1988-12-28 1990-06-19 At&T Company Automated message retrieval system
US5081647A (en) * 1989-01-06 1992-01-14 American Telephone & Telegraph Company Communication of a voice signal via continuous quadrature amplitude modulator
US4972457A (en) * 1989-01-19 1990-11-20 Spectrum Information Technologies, Inc. Portable hybrid communication system and methods
US5020058A (en) * 1989-01-23 1991-05-28 Stratacom, Inc. Packet voice/data communication system having protocol independent repetitive packet suppression
NZ232222A (en) 1989-01-27 1993-03-26 British Telecomm Alternate burst communication for cordless phones: burst formats
US5208850A (en) 1989-02-09 1993-05-04 Fujitsu Limited Multi-media information service center and multi-media communication system
CA2012868C (en) * 1989-03-23 1994-03-22 Shin-Ichiro Hayano Call control with transmission priority in a packet communication network of an atm type
US4912756A (en) * 1989-04-07 1990-03-27 Unilink Corporation Method and apparatus for error-free digital data transmission during cellular telephone handoff, etc.
JPH02272500A (ja) * 1989-04-13 1990-11-07 Fujitsu Ltd コード駆動音声符号化方式
US5036513A (en) * 1989-06-21 1991-07-30 Academy Of Applied Science Method of and apparatus for integrated voice (audio) communication simultaneously with "under voice" user-transparent digital data between telephone instruments
US5261027A (en) 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5062133A (en) * 1989-07-07 1991-10-29 Logotronix Incorporated Multi-function telephone call management system
JPH0344218A (ja) 1989-07-12 1991-02-26 Fujitsu Ltd 適応形エコーキャンセラ
FR2651077B1 (fr) 1989-08-18 1994-06-10 Letourneur Gregoire Dispositif de traitement d'echo notamment acoustique dans une ligne telephonique
US5146470A (en) * 1989-09-28 1992-09-08 Fujitsu Limited Adaptive digital filter including low-pass filter
US5095497A (en) 1989-10-02 1992-03-10 At & T Bell Laboratories Technique for achieving the full coding gain of encoded digital signals
US5001710A (en) * 1989-10-24 1991-03-19 At&T Bell Laboratories Customer programmable automated integrated voice/data technique for communication systems
CA2001277C (en) * 1989-10-24 1994-07-12 Bruce Leigh Townsend Hands free telecommunications apparatus and method
US5051720A (en) * 1989-11-13 1991-09-24 Secure Telecom, Inc. Remote control system using power line of remote site
US5083310A (en) * 1989-11-14 1992-01-21 Apple Computer, Inc. Compression and expansion technique for digital audio data
US4977591A (en) * 1989-11-17 1990-12-11 Nynex Corporation Dual mode LMS nonlinear data echo canceller
US5136586A (en) * 1989-12-04 1992-08-04 Academy Of Applied Science Method and apparatus for telephone line multiplex channeling of toll-quality voice and digital information
JPH03226051A (ja) 1990-01-31 1991-10-07 Fujitsu Ltd 変復調器の速度通知方式
US5044010A (en) * 1990-03-29 1991-08-27 At&T Bell Laboratories Arrangement and method for selecting an available communication channel for a cordless telephone
US5065395A (en) * 1990-04-09 1991-11-12 Dsc Communications Corporation Rudimentary digital speech interpolation apparatus and method
US5195086A (en) * 1990-04-12 1993-03-16 At&T Bell Laboratories Multiple call control method in a multimedia conferencing system
US5054055A (en) * 1990-04-26 1991-10-01 Bell Atlantic Network Services, Inc. Telephone system and method for the intelligent use of individual calling line identification information
NL9001016A (nl) 1990-04-27 1991-11-18 Philips Nv Digitale echocompensator met een dubbelspraakdetector.
JP2823320B2 (ja) 1990-05-23 1998-11-11 株式会社東芝 モデムプーリングシステム
US5127041A (en) * 1990-06-01 1992-06-30 Spectrum Information Technologies, Inc. System and method for interfacing computers to diverse telephone networks
US5127001A (en) * 1990-06-22 1992-06-30 Unisys Corporation Conference call arrangement for distributed network
US5115429A (en) * 1990-08-02 1992-05-19 Codex Corporation Dynamic encoding rate control minimizes traffic congestion in a packet network
JP2503747B2 (ja) 1990-09-12 1996-06-05 日本電気株式会社 Fir形エコ―キャンセラ
JPH04123621A (ja) 1990-09-14 1992-04-23 Nippon Telegr & Teleph Corp <Ntt> 反響消去装置
US5444770A (en) 1990-09-27 1995-08-22 Radish Communications Systems, Inc. Telephone handset interface for automatic switching between voice and data communications
US5164982A (en) 1990-09-27 1992-11-17 Radish Communications Systems, Inc. Telecommunication display system
US5493609A (en) 1990-09-27 1996-02-20 Radish Communications Systems, Inc. Telecommunication system for automatic switching between voice and data communications
US5365577A (en) 1990-09-27 1994-11-15 Radish Communications Systems, Inc. Telecommunication display system
US5473676A (en) 1990-09-27 1995-12-05 Radish Communications Systems, Inc. Telephone handset interface for automatic switching between voice and data communications
US5193110A (en) * 1990-10-09 1993-03-09 Boston Technology, Incorporated Integrated services platform for telephone communication system
US5247591A (en) 1990-10-10 1993-09-21 Interfax, Inc. Method and apparatus for the primary and secondary routing of fax mesages using hand printed characters
JPH04168973A (ja) 1990-10-31 1992-06-17 Toshiba Corp 電源回路及びこれを用いた駆動回路
CA2051029C (en) 1990-11-30 1996-11-05 Pradeep S. Sindhu Arbitration of packet switched busses, including busses for shared memory multiprocessors
GB2251097B (en) 1990-12-08 1995-05-10 Dowty Information Systems An adaptive data compression system
US5214656A (en) 1990-12-13 1993-05-25 At&T Bell Laboratories Multiplexed coded modulation with unequal error protection
NL9002790A (nl) 1990-12-18 1992-07-16 Philips Nv Echocompensator met verbeterde dubbelspraak detectie.
FR2670973B1 (fr) 1990-12-19 1994-04-15 Ouest Standard Telematique Sa Systeme de transmission par paquets a compression de donnees, procede et equipement correspondant.
US5263019A (en) 1991-01-04 1993-11-16 Picturetel Corporation Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone
US5187591A (en) * 1991-01-24 1993-02-16 Micom Communications Corp. System for transmitting and receiving aural information and modulated data
JP2842026B2 (ja) 1991-02-20 1998-12-24 日本電気株式会社 適応フィルタの係数制御方法及び装置
US5341374A (en) 1991-03-01 1994-08-23 Trilan Systems Corporation Communication network integrating voice data and video with distributed call processing
JPH0739968B2 (ja) 1991-03-25 1995-05-01 日本電信電話株式会社 音響伝達特性模擬方法
US5150410A (en) * 1991-04-11 1992-09-22 Itt Corporation Secure digital conferencing system
US5283819A (en) 1991-04-25 1994-02-01 Compuadd Corporation Computing and multimedia entertainment system
US5283638A (en) 1991-04-25 1994-02-01 Compuadd Corporation Multimedia computing and telecommunications workstation
US5479407A (en) 1991-05-24 1995-12-26 Ko; Cheng-Hsu Channel utilization method and system for ISDN
US5206900B1 (en) 1991-05-31 1998-06-09 David Callele Automated attendant
DE69232202T2 (de) 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
EP0518383B1 (de) 1991-06-13 1997-09-03 Nec Corporation Verfahren und Einrichtung zur Echokompensation in einem digitalen Fernmeldesystem
US5307413A (en) 1991-07-19 1994-04-26 Process Software Corporation Method and apparatus for adding data compression and other services in a computer network
US5379340A (en) 1991-08-02 1995-01-03 Betterprize Limited Text communication system
US5309562A (en) 1991-08-19 1994-05-03 Multi-Tech Systems, Inc. Method and apparatus for establishing protocol spoofing from a modem
US5233660A (en) 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
JP3226945B2 (ja) 1991-10-02 2001-11-12 キヤノン株式会社 マルチメディア通信装置
GB2260670A (en) 1991-10-18 1993-04-21 * Norm Pacific Automation Corporation Multi-functional telephone system with speech recognition and control device
US5371853A (en) 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
US5377260A (en) 1991-12-05 1994-12-27 Sierra Semiconductor Corporation Telephone circuit to control off-hook status during receipt of caller-ID signal
JP3320086B2 (ja) * 1991-12-11 2002-09-03 キヤノン株式会社 マルチメディア通信方法
US5276703A (en) 1992-01-13 1994-01-04 Windata, Inc. Wireless local area network communications system
US5425089A (en) 1992-01-27 1995-06-13 Chan; John Y. Low cost telephone caller identification device and method
US5305312A (en) * 1992-02-07 1994-04-19 At&T Bell Laboratories Apparatus for interfacing analog telephones and digital data terminals to an ISDN line
CA2086694C (en) 1992-03-05 1996-12-31 Steven K. Miller System, data processing method and program to provide a programmable interface between a workstation and an archive server to automatically store telephone transaction information
US5249218A (en) 1992-04-06 1993-09-28 Spectrum Information Technologies, Inc. Programmable universal interface system
US5295136A (en) 1992-04-13 1994-03-15 Motorola, Inc. Method of performing convergence in a, least mean square, adaptive filter, echo canceller
US5282197A (en) 1992-05-15 1994-01-25 International Business Machines Low frequency audio sub-channel embedded signalling
US5327520A (en) 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
JPH066428A (ja) 1992-06-18 1994-01-14 Nec Corp 着呼識別機能付電話機
US5388150A (en) 1992-07-28 1995-02-07 Schneyer; Robin Automatic incoming telephone call identification and disposition system
US5301246A (en) 1992-07-29 1994-04-05 At&T Bell Laboratories Data communications equipment security device using calling party directory number
US5343473A (en) 1992-08-07 1994-08-30 International Business Machines Corporation Method of determining whether to use preempt/resume or alternate protocol for data transmission
US5317604A (en) 1992-12-30 1994-05-31 Gte Government Systems Corporation Isochronous interface method
JPH06318951A (ja) 1993-01-07 1994-11-15 Toshiba Corp セル転送方法およびセル転送システム
US5463616A (en) 1993-01-07 1995-10-31 Advanced Protocol Systems, Inc. Method and apparatus for establishing a full-duplex, concurrent, voice/non-voice connection between two sites
US5453986A (en) 1993-01-08 1995-09-26 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US5452289A (en) 1993-01-08 1995-09-19 Multi-Tech Systems, Inc. Computer-based multifunction personal communications system
US5535204A (en) 1993-01-08 1996-07-09 Multi-Tech Systems, Inc. Ringdown and ringback signalling for a computer-based multifunction personal communications system
US5406557A (en) 1993-02-01 1995-04-11 National Semiconductor Corporation Interenterprise electronic mail hub
US5355365A (en) 1993-03-31 1994-10-11 Multi-Tech Systems, Inc. Intelligent local area network modem node
US5384780A (en) 1993-05-14 1995-01-24 Codex Corporation High speed modem, method and system for achieving synchronous data compression
IL106746A (en) 1993-08-19 1997-02-18 News Datacom Ltd CATV systems
US5472351A (en) 1993-10-06 1995-12-05 U.S. Robotics, Inc. Personal computer modem card interface construction
JP3434895B2 (ja) 1993-11-18 2003-08-11 富士通株式会社 双方向伝送用光モジュール
US5450425A (en) 1993-11-19 1995-09-12 Multi-Tech Systems, Inc. Protocol for communication of a data packet
US5390239A (en) 1994-03-17 1995-02-14 Morris; Gregory A. Method for increasing digital data throughput over telephone lines
US5438614A (en) 1994-05-25 1995-08-01 U.S. Robotics, Inc. Modem management techniques
US5416776A (en) 1994-05-27 1995-05-16 U.S. Robotics, Inc. Modem backplane techniques

Also Published As

Publication number Publication date
EP0656718A3 (de) 1998-12-09
EP0656718A2 (de) 1995-06-07
ATE261639T1 (de) 2004-03-15
US5619508A (en) 1997-04-08
CA2126953C (en) 1999-04-13
JPH07203080A (ja) 1995-08-04
US5764628A (en) 1998-06-09
EP0656718B1 (de) 2004-03-10
CA2126953A1 (en) 1995-06-04
JP2790978B2 (ja) 1998-08-27
US5453986A (en) 1995-09-26

Similar Documents

Publication Publication Date Title
DE69433604D1 (de) Zweifachanschluss-Schnittstelle für rechnergestütztes, auf dem Telefonnetz basierendes persönliches Kommunikationssystem mit mehreren Funktionen
ATE236484T1 (de) Vorwärtsruf- und rückrufsignalisierung für ein rechnerbasiertes persönliches mehrzweckkommunikationssystem
CA2200506A1 (en) Dual-mode network access point
TW329577B (en) Cellular phone interface for a simultaneous voice/data modem
CA2285318A1 (en) Portable radiotelephone for automatically dialing a central voice-activated dialing system
WO2000021268A3 (en) Method and arrangement for complementing a telephone connection with additional information
AU7046091A (en) Radio communication system based on digital localisation points
ES2162876T3 (es) Aparato de comunicacion.
ATE154186T1 (de) Personalcomputer mit einer verbindung zu einem kommunikationsendgerät eines drahtlosen fernsprechsystems
EP0822699A2 (de) Digitale Telefonanlage mit mehreren Sprechstellen
AU1549097A (en) Voice-data terminal for a radio-telephone network
EP0874511A3 (de) Türsprechanlage mit mehreren Bustelefonen, einer Türstation und einem Netzgerät zur Stromversorgung derselben
WO1996015601A3 (en) Voice over data conferencing communications system
CA2216294A1 (en) Dual port interface for a computer based multifunctional personal communication system
FR2802042B1 (fr) Passerelle de telecommunication entre un reseau prive et un reseau mobile
EP0373921A3 (de) Faksimiletelegraf mit einer Telefonfunktion
AU2314697A (en) Device and method to establish communication
CN2586618Y (zh) 车载终端无线语音拨号器
Meyer Hello... Goodbye.
JPS5781762A (en) Terminal mode switching signal system for digital telephone
JPH08307562A (ja) 通信装置
JPS63100857A (ja) 電話交換装置
CA2025071A1 (en) Key telephone system
EP0817456A3 (de) Mehrteilnehmersystem mit gleichzeitiger Kommunikation
JPH0120827B2 (de)

Legal Events

Date Code Title Description
8332 No legal effect for de