AU765760B2 - Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls - Google Patents

Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls Download PDF

Info

Publication number
AU765760B2
AU765760B2 AU36861/00A AU3686100A AU765760B2 AU 765760 B2 AU765760 B2 AU 765760B2 AU 36861/00 A AU36861/00 A AU 36861/00A AU 3686100 A AU3686100 A AU 3686100A AU 765760 B2 AU765760 B2 AU 765760B2
Authority
AU
Australia
Prior art keywords
arrangement
field
tfo
gateway
voice over
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
Application number
AU36861/00A
Other languages
English (en)
Other versions
AU3686100A (en
Inventor
Johan Karoly Peter Galyas
Harald Johansen
Einar Oltedal
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU3686100A publication Critical patent/AU3686100A/en
Application granted granted Critical
Publication of AU765760B2 publication Critical patent/AU765760B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6421—Medium of transmission, e.g. fibre, cable, radio, satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6472—Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6486—Signalling Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements 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
    • H04M7/1205—Arrangements 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
    • H04M7/1225—Details of core network interconnection arrangements
    • H04M7/1235—Details of core network interconnection arrangements where one of the core networks is a wireless network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements 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
    • H04M7/1205—Arrangements 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
    • H04M7/1275—Methods and means to improve the telephone service quality, e.g. reservation, prioritisation or admission control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Machine Translation (AREA)
AU36861/00A 1999-03-10 2000-02-25 Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls Expired AU765760B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO19991169 1999-03-10
NO19991169A NO310950B1 (no) 1999-03-10 1999-03-10 Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop
PCT/SE2000/000376 WO2000054529A1 (en) 1999-03-10 2000-02-25 ARRANGEMENT FOR IMPROVING THE SPEECH QUALITY, ESPECIALLY FOR VoIP (VOICE OVER IP) CALLS

Publications (2)

Publication Number Publication Date
AU3686100A AU3686100A (en) 2000-09-28
AU765760B2 true AU765760B2 (en) 2003-09-25

Family

ID=19903069

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36861/00A Expired AU765760B2 (en) 1999-03-10 2000-02-25 Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls

Country Status (11)

Country Link
US (1) US6611694B1 (enExample)
EP (1) EP1157573B1 (enExample)
JP (1) JP4748857B2 (enExample)
KR (1) KR100506511B1 (enExample)
CN (1) CN1132458C (enExample)
AT (1) ATE392100T1 (enExample)
AU (1) AU765760B2 (enExample)
DE (1) DE60038545T2 (enExample)
ES (1) ES2302690T3 (enExample)
NO (1) NO310950B1 (enExample)
WO (1) WO2000054529A1 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3701492B2 (ja) * 1999-02-19 2005-09-28 富士通株式会社 ゲートウェイ装置
FI107210B (fi) * 1999-07-09 2001-06-15 Nokia Networks Oy Menetelmä puhelujen välittämiseksi pakettiverkon kautta
FI107211B (fi) * 1999-07-09 2001-06-15 Nokia Networks Oy Menetelmä koodaustiedon välittämiseksi pakettiverkon yli
FR2802743B1 (fr) * 1999-12-20 2002-02-22 Cit Alcatel Procede de transmission de mini-messages et son dispositif associe
FR2806560B1 (fr) * 2000-03-20 2002-10-04 Cit Alcatel Procede pour optimiser la qualite de parole dans un systeme de radiocommunications mobiles
US6751477B1 (en) * 2000-05-17 2004-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for dynamically optimizing the fidelity of a speech signal received from a wireless telephony device and transmitted through a packet-switched network
US6785339B1 (en) * 2000-10-31 2004-08-31 Motorola, Inc. Method and apparatus for providing speech quality based packet enhancement in packet switched networks
US6965562B2 (en) * 2000-12-14 2005-11-15 Nokia Networks System and method for managing a network to sustain the quality of voice over internet protocol communications
US20020075850A1 (en) * 2000-12-20 2002-06-20 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for using the voice over internet protocol to handoff call connections
US7167451B1 (en) * 2000-12-21 2007-01-23 Cisco Technology, Inc. User controlled audio quality for voice-over-IP telephony systems
JP2002217972A (ja) * 2001-01-12 2002-08-02 Nec Corp 輻輳状況対応型ＶｏＩＰシステム、及び、ＶｏＩＰシステムの輻輳回避方法
US8059663B1 (en) * 2003-07-10 2011-11-15 Sprint Spectrum L.P. Gateway-based system and method for tandem free operation
DE10343803A1 (de) * 2003-09-22 2005-04-21 Siemens Ag Telekommunikationsanordnung und Verfahren zum Übertragen von Sprachsignalen
US7839887B1 (en) * 2003-10-16 2010-11-23 Network Equipment Technologies, Inc. Method and system for providing frame rate adaption
US8077731B2 (en) * 2003-12-09 2011-12-13 Alcatel Lucent Method and system for packet-based tandem free operation
US20050238000A1 (en) * 2004-04-23 2005-10-27 Pollock Graham S System and method for computing demand placed on a packet-switched network by streaming media communication
US7328027B1 (en) 2004-05-11 2008-02-05 Sprint Spectrum L.P. Method for vocoder selection based on loads in coverage areas of a wireless wide area network
KR100816601B1 (ko) 2004-06-01 2008-03-24 닛본 덴끼 가부시끼가이샤 정보 제공 시스템, 방법 및 정보 제공용 프로그램을 기록한 기록 매체
US7881712B1 (en) * 2004-12-23 2011-02-01 Cisco Technology, Inc. Generating and signaling tones in a communications network
US7830862B2 (en) * 2005-01-07 2010-11-09 At&T Intellectual Property Ii, L.P. System and method for modifying speech playout to compensate for transmission delay jitter in a voice over internet protocol (VoIP) network
US7924890B2 (en) * 2006-02-13 2011-04-12 Cisco Technology, Inc. Apparatus and method for increasing reliability of data sensitive to packet loss
EP1860851B1 (en) * 2006-05-26 2011-11-09 Incard SA Method for implementing voice over IP through and electronic device connected to a packed switched network
EP3512226B1 (en) * 2007-02-02 2022-11-23 Huawei Technologies Co., Ltd. Method, device and system for establishing a bearer for a gsm network
WO2009000292A1 (en) * 2007-06-25 2008-12-31 Telefonaktiebolaget Lm Ericsson (Publ) Technique for reducing transcoding operations in a telecommunication system
CN101237299B (zh) * 2007-12-27 2011-04-20 华为技术有限公司 语音业务处理模块、系统及方法
US9521015B2 (en) * 2010-12-21 2016-12-13 Genband Us Llc Dynamic insertion of a quality enhancement gateway
CN103796243B (zh) * 2012-10-30 2017-04-05 中兴通讯股份有限公司 Tfo配置参数传输方法及系统
KR101893829B1 (ko) 2016-09-29 2018-08-31 주식회사 온피아 데이터 변조를 통한 녹취파일의 암호화 및 복호화 방법
CN111462767B (zh) * 2020-04-10 2024-01-09 全景声科技南京有限公司 音频信号的增量编码方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996016521A1 (en) * 1994-11-21 1996-05-30 Nokia Telecommunications Oy Digital mobile communication system
US5608779A (en) * 1994-11-08 1997-03-04 Motorola, Inc. Method for communications between mobile units using single and multiple switching center configurations
WO2000033590A1 (en) * 1998-12-03 2000-06-08 Telefonaktiebolaget Lm Ericsson (Publ) End-to-end coder/decoder (codec)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1051430C (zh) 1993-12-02 2000-04-12 摩托罗拉公司 用于在无线电通信系统中执行链接通信的方法
FI941125A7 (fi) * 1994-03-09 1995-09-10 Nokia Telecommunications Oy Matkaviestinjärjestelmä ja puhelunohjausmenetelmä
FI102445B1 (fi) * 1996-02-08 1998-11-30 Nokia Telecommunications Oy Transmissiolaitteisto keskusten väliselle yhteydelle
US6324402B1 (en) * 1997-10-07 2001-11-27 Nortel Dasa Network System Gmbh & Co. Kg Integration scheme for a mobile telephone
US6295302B1 (en) * 1998-04-24 2001-09-25 Telefonaktiebolaget L M Ericsson (Publ) Alternating speech and data transmission in digital communications systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5608779A (en) * 1994-11-08 1997-03-04 Motorola, Inc. Method for communications between mobile units using single and multiple switching center configurations
WO1996016521A1 (en) * 1994-11-21 1996-05-30 Nokia Telecommunications Oy Digital mobile communication system
WO2000033590A1 (en) * 1998-12-03 2000-06-08 Telefonaktiebolaget Lm Ericsson (Publ) End-to-end coder/decoder (codec)

Also Published As

Publication number Publication date
WO2000054529A1 (en) 2000-09-14
DE60038545T2 (de) 2009-07-16
EP1157573A1 (en) 2001-11-28
KR100506511B1 (ko) 2005-08-05
NO310950B1 (no) 2001-09-17
JP4748857B2 (ja) 2011-08-17
KR20010108335A (ko) 2001-12-07
ATE392100T1 (de) 2008-04-15
DE60038545D1 (de) 2008-05-21
AU3686100A (en) 2000-09-28
ES2302690T3 (es) 2008-08-01
NO991169L (no) 2000-09-11
US6611694B1 (en) 2003-08-26
CN1132458C (zh) 2003-12-24
EP1157573B1 (en) 2008-04-09
NO991169D0 (no) 1999-03-10
JP2002539690A (ja) 2002-11-19
CN1342375A (zh) 2002-03-27

Similar Documents

Publication Publication Date Title
AU765760B2 (en) Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls
AU761839B2 (en) End-to-end coder/decoder (codec)
US6167040A (en) Speech transmission between terminals in different networks
US6295302B1 (en) Alternating speech and data transmission in digital communications systems
US6574469B1 (en) System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network
FI101439B (fi) Transkooderi, jossa on tandem-koodauksen esto
JP3650800B2 (ja) 異なるネットワークのターミナル間のスピーチ送信
US20040203802A1 (en) Process for optimizing speech coding as a function of end user device characteristics
KR20020004666A (ko) 이동 단말기간 패킷 서비스를 제공하기 위한 이동 통신시스템 및 그 기지국 제어기내 보코더의 데이터 처리방법
US20030013465A1 (en) System and method for pseudo-tunneling voice transmissions
AU756634B2 (en) Alternating speech and data transmission in digital communications systems
HK1024124A (en) Speech transmission between terminals in different networks
KR19990084895A (ko) 이동통신 교환기의 코덱 바이패스 방법
KR20000013147A (ko) 이동국 가입자간 코덱 바이패스 방법
KR20000013086A (ko) 셀룰러 시스템의 이동 교환국간의 서비스 선택 정보의 처리 방법
KR20070009191A (ko) 디티엠에프 신호처리 시스템 및 방법

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired