NO310950B1 - Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop - Google Patents

Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop Download PDF

Info

Publication number
NO310950B1
NO310950B1 NO19991169A NO991169A NO310950B1 NO 310950 B1 NO310950 B1 NO 310950B1 NO 19991169 A NO19991169 A NO 19991169A NO 991169 A NO991169 A NO 991169A NO 310950 B1 NO310950 B1 NO 310950B1
Authority
NO
Norway
Prior art keywords
tfo
arrangement
voip
port
trau
Prior art date
Application number
NO19991169A
Other languages
English (en)
Norwegian (no)
Other versions
NO991169L (no
NO991169D0 (no
Inventor
Einar Oltedal
Harald Johansen
Peter Johan Karoly Galyas
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to NO19991169A priority Critical patent/NO310950B1/no
Publication of NO991169D0 publication Critical patent/NO991169D0/no
Priority to CN008044880A priority patent/CN1132458C/zh
Priority to DE60038545T priority patent/DE60038545T2/de
Priority to AU36861/00A priority patent/AU765760B2/en
Priority to KR10-2001-7011433A priority patent/KR100506511B1/ko
Priority to AT00915632T priority patent/ATE392100T1/de
Priority to ES00915632T priority patent/ES2302690T3/es
Priority to EP00915632A priority patent/EP1157573B1/en
Priority to PCT/SE2000/000376 priority patent/WO2000054529A1/en
Priority to JP2000604629A priority patent/JP4748857B2/ja
Priority to US09/522,994 priority patent/US6611694B1/en
Publication of NO991169L publication Critical patent/NO991169L/no
Publication of NO310950B1 publication Critical patent/NO310950B1/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18Service support devices; Network management devices
    • H04W88/181Transcoding devices; Rate adaptation devices
    • 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
    • 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
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6421Medium of transmission, e.g. fibre, cable, radio, satellite
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6472Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • H04L2012/6486Signalling Protocols
    • 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
    • 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
    • H04M7/1225Details of core network interconnection arrangements
    • H04M7/1235Details of core network interconnection arrangements where one of the core networks is a wireless network
    • 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
    • H04M7/1275Methods 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)
NO19991169A 1999-03-10 1999-03-10 Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop NO310950B1 (no)

Priority Applications (11)

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
JP2000604629A JP4748857B2 (ja) 1999-03-10 2000-02-25 移動ボイスオーバーip通話の音声品質を改善する方法
KR10-2001-7011433A KR100506511B1 (ko) 1999-03-10 2000-02-25 VoIP(VOICE OVER IP) 통화의 음질 개선 장치
DE60038545T DE60038545T2 (de) 1999-03-10 2000-02-25 Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe
AU36861/00A AU765760B2 (en) 1999-03-10 2000-02-25 Arrangement for improving the speech quality, especially for VoIP (voice over IP) calls
CN008044880A CN1132458C (zh) 1999-03-10 2000-02-25 改进语音质量尤其是网间协议话音通话语音质量的装置
AT00915632T ATE392100T1 (de) 1999-03-10 2000-02-25 Anordnung zur verbesserung der sprachqualität für voice-over-ip-(voip)-anrufe
ES00915632T ES2302690T3 (es) 1999-03-10 2000-02-25 Metodo para mejorar la calidad del habla para llamadas de voip (voz sobre ip).
EP00915632A EP1157573B1 (en) 1999-03-10 2000-02-25 ARRANGEMENT FOR IMPROVING THE SPEECH QUALITY FOR VoIP (VOICE OVER IP) CALLS
PCT/SE2000/000376 WO2000054529A1 (en) 1999-03-10 2000-02-25 ARRANGEMENT FOR IMPROVING THE SPEECH QUALITY, ESPECIALLY FOR VoIP (VOICE OVER IP) CALLS
US09/522,994 US6611694B1 (en) 1999-03-10 2000-03-09 Arrangement for improving the speech quality, especially for VoIP (Voice over IP) calls

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO991169D0 NO991169D0 (no) 1999-03-10
NO991169L NO991169L (no) 2000-09-11
NO310950B1 true NO310950B1 (no) 2001-09-17

Family

ID=19903069

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19991169A NO310950B1 (no) 1999-03-10 1999-03-10 Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop

Country Status (11)

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

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
EP1700392A4 (en) * 2003-12-09 2008-12-10 Alcatel Wireless Inc METHOD AND SYSTEM FOR TANDEM-FREE OPERATION ON PACKAGE BASE
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
WO2005119940A1 (ja) 2004-06-01 2005-12-15 Nec Corporation 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
RU2431239C2 (ru) * 2007-02-02 2011-10-10 Хуавэй Текнолоджиз Ко., Лтд. Способ, устройство и система для установления канала-носителя в gsm-сети
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
JPH08506472A (ja) 1993-12-02 1996-07-09 モトローラ・インコーポレイテッド 通信システム内の局部装置間で通信を行うための方法および装置
FI941125A (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
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
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
AU3686100A (en) 2000-09-28
DE60038545D1 (de) 2008-05-21
KR20010108335A (ko) 2001-12-07
EP1157573B1 (en) 2008-04-09
ES2302690T3 (es) 2008-08-01
NO991169L (no) 2000-09-11
CN1132458C (zh) 2003-12-24
JP2002539690A (ja) 2002-11-19
ATE392100T1 (de) 2008-04-15
WO2000054529A1 (en) 2000-09-14
DE60038545T2 (de) 2009-07-16
US6611694B1 (en) 2003-08-26
KR100506511B1 (ko) 2005-08-05
CN1342375A (zh) 2002-03-27
AU765760B2 (en) 2003-09-25
NO991169D0 (no) 1999-03-10
EP1157573A1 (en) 2001-11-28
JP4748857B2 (ja) 2011-08-17

Similar Documents

Publication Publication Date Title
NO310950B1 (no) Anordning for forbedring av talekvalitet, spesielt for VoIP (Voice over IP) anrop
FI101439B (fi) Transkooderi, jossa on tandem-koodauksen esto
US6295302B1 (en) Alternating speech and data transmission in digital communications systems
US6256612B1 (en) End-to-end coder/decoder (codec)
US6574469B1 (en) System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network
EP1130894B1 (en) Conferencing for wireless VoIP and VoATM calls by codec renegotiation using H.323 procedures
US8194649B2 (en) Methods and apparatus for data communication
US6134242A (en) Method of reverting to tandem operation between transcoders of a communication system
NO321006B1 (no) Overforingsutstyr for en forbindelse mellom sentraler
FI106510B (fi) Järjestelmä puheen siirtämiseksi matkapuhelinverkon ja kiinteän verkon päätelaitteen välillä
US20040203802A1 (en) Process for optimizing speech coding as a function of end user device characteristics
CN1185842C (zh) 在电信系统内路由发送信息流的方法以及网络单元
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
KR100688890B1 (ko) 멀티미디어 코덱을 이용한 링백톤 서비스 방법 및 그시스템
KR100716919B1 (ko) 디티엠에프 신호처리 시스템 및 방법
EP2009939A1 (en) Method for transmitting speech over a communication network
AU756634B2 (en) Alternating speech and data transmission in digital communications systems
KR20000013147A (ko) 이동국 가입자간 코덱 바이패스 방법
JPH0787181A (ja) 交換機

Legal Events

Date Code Title Description
MK1K Patent expired