DE60038545T2 - Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe - Google Patents

Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe Download PDF

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Publication number
DE60038545T2
DE60038545T2 DE60038545T DE60038545T DE60038545T2 DE 60038545 T2 DE60038545 T2 DE 60038545T2 DE 60038545 T DE60038545 T DE 60038545T DE 60038545 T DE60038545 T DE 60038545T DE 60038545 T2 DE60038545 T2 DE 60038545T2
Authority
DE
Germany
Prior art keywords
tfo
msc
bsc
calling
voip gateway
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
DE60038545T
Other languages
German (de)
English (en)
Other versions
DE60038545D1 (de
Inventor
Johan Karoly 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
Application granted granted Critical
Publication of DE60038545D1 publication Critical patent/DE60038545D1/de
Publication of DE60038545T2 publication Critical patent/DE60038545T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE60038545T 1999-03-10 2000-02-25 Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe Expired - Lifetime DE60038545T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO19991169A NO310950B1 (no) 1999-03-10 1999-03-10 Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop
NO991169 1999-03-10
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
DE60038545D1 DE60038545D1 (de) 2008-05-21
DE60038545T2 true DE60038545T2 (de) 2009-07-16

Family

ID=19903069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038545T Expired - Lifetime DE60038545T2 (de) 1999-03-10 2000-02-25 Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe

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
FI107211B (fi) * 1999-07-09 2001-06-15 Nokia Networks Oy Menetelmä koodaustiedon välittämiseksi pakettiverkon yli
FI107210B (fi) * 1999-07-09 2001-06-15 Nokia Networks Oy Menetelmä puhelujen välittämiseksi pakettiverkon kautta
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
WO2005057809A2 (en) * 2003-12-09 2005-06-23 Alcatel Wireless, Inc 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
JP4725803B2 (ja) 2004-06-01 2011-07-13 日本電気株式会社 情報提供システム及び方法並びに情報提供用プログラム
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
ATE533289T1 (de) 2006-05-26 2011-11-15 Incard Sa Verfahren zum implementieren von voice over ip mittels eines mit einem paketorientierten netz verbundenen elektronischen geräts
WO2008098501A1 (en) * 2007-02-02 2008-08-21 Huawei Technologies Co., Ltd. Gsm bearing set up method, apparatus and system
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9405716A (pt) 1993-12-02 1995-12-19 Motorola Inc Processo para realizar comunicação ligada transcodificador fonte e transcodificador alvo
FI941125A7 (fi) * 1994-03-09 1995-09-10 Nokia Telecommunications Oy Matkaviestinjärjestelmä ja puhelunohjausmenetelmä
US5608779A (en) * 1994-11-08 1997-03-04 Motorola, Inc. Method for communications between mobile units using single and multiple switching center configurations
FI98972C (fi) * 1994-11-21 1997-09-10 Nokia Telecommunications Oy Digitaalinen matkaviestinjärjestelmä
FI102445B (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
US6256612B1 (en) * 1998-12-03 2001-07-03 Telefonaktiebolaget L M Ericsson (Publ) End-to-end coder/decoder (codec)

Also Published As

Publication number Publication date
WO2000054529A1 (en) 2000-09-14
NO991169L (no) 2000-09-11
ES2302690T3 (es) 2008-08-01
EP1157573A1 (en) 2001-11-28
AU3686100A (en) 2000-09-28
KR20010108335A (ko) 2001-12-07
JP2002539690A (ja) 2002-11-19
AU765760B2 (en) 2003-09-25
EP1157573B1 (en) 2008-04-09
NO991169D0 (no) 1999-03-10
DE60038545D1 (de) 2008-05-21
NO310950B1 (no) 2001-09-17
JP4748857B2 (ja) 2011-08-17
CN1132458C (zh) 2003-12-24
ATE392100T1 (de) 2008-04-15
US6611694B1 (en) 2003-08-26
KR100506511B1 (ko) 2005-08-05
CN1342375A (zh) 2002-03-27

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