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GB/T 40420.2-2021: Broadband customer gateway virtualization based on public telecommunication network - Part 2: Technology requirements of voice virtualization
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Broadband customer gateway virtualization based on public telecommunication network - Part 2: Technology requirements of voice virtualization
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GB/T 40420.2-2021
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Basic data | Standard ID | GB/T 40420.2-2021 (GB/T40420.2-2021) | | Description (Translated English) | Broadband customer gateway virtualization based on public telecommunication network - Part 2: Technology requirements of voice virtualization | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M42 | | Word Count Estimation | 28,223 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40420.2-2021: Broadband customer gateway virtualization based on public telecommunication network - Part 2: Technology requirements of voice virtualization
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Broadband customer gateway virtualization based on public telecommunication network - Part 2.Technology requirements of voice virtualization
ICS 33.050
M42
National Standards of People's Republic of China
Broadband customer gateway virtualization based on public telecommunication network
Part 2.Technical Requirements for Voice Virtualization
Released on 2021-10-11
2022-05-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Abbreviations 1
5 Composition of virtualized voice function system 3
5.1 System Architecture 3
5.2 Functional division 3
6 PG voice function requirements 4
6.1 General requirements 4
6.2 Call processing requirements 4
6.3 Voice processing requirements 4
6.4 Business quality assurance requirements 5
7 Voice processing performance requirements 6
7.1 Voice coding dynamic switching time 6
7.2 OLT processing performance requirements 6
7.3 OLT supports voice virtualization function requirements 6
7.4 Voice service control protocol bearer channel requirements 6
7.5 Voice service control interface protocol requirements 6
7.6 Interaction control requirements with PG 6
7.7 Interaction requirements with SS/IMS 6
8 Management Agreement and Business Process 7
8.1 Management Agreement and Platform 7
8.2 Voice Service Process 8
9 Interface protocol 10
9.1 Overview 10
9.2 Heartbeat command 11
9.3 Port activation command 12
9.4 Off-hook message 12
9.5 On-hook message 13
9.6 Flash message 13
9.7 Dial-up message 14
9.8 Ringing message 15
9.9 Inverse news 15
9.10 Switch DSP channel message 16
9.11 Play messages 17
9.12 SDP message 17
9.13 Fax event message 20
9.14 Caller ID message 20
9.15 Report SDP message 22
Foreword
GB/T 40420 "Broadband Customer Gateway Virtualization Based on Public Telecommunication Network" is divided into the following parts.
---Part 1.General requirements;
---Part 2.Technical requirements for voice virtualization;
---Part 3.Technical requirements for physical home gateways;
---Part 4.Entity Enterprise Gateway Technical Requirements;
---Part 5.Technical requirements for virtual home gateway functions;
---Part 6.Technical requirements for virtual enterprise gateway functions;
---Part 7.Management requirements;
---Part 8.Interface requirements.
This part is Part 2 of GB/T 40420.
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This part is under the jurisdiction of the National Communication Standardization Technical Committee (SAC/TC485).
Drafting organizations of this section. China United Network Communications Group Co., Ltd., Fiberhome Technology Group Co., Ltd., China Academy of Information and Communications Technology,
Shanghai Nokia Bell Co., Ltd., Guangdong Southern Telecom Planning Consulting and Design Institute Co., Ltd.
The main drafters of this section. Ding Hai, Wang Jin, Zhou Zhen, Ao Li, Luo Ye, Deng Dahao.
Broadband customer gateway virtualization based on public telecommunication network
Part 2.Technical Requirements for Voice Virtualization
1 Scope
This part of GB/T 40420 specifies the overall technical requirements for virtualized broadband customer gateway voice services and the technical requirements for related equipment.
Requirements, including voice function implementation architecture, voice function requirements, voice processing performance requirements, management protocols, business processes, and interface protocol requirements.
This part is applicable to the virtualization of broadband customer gateway voice functions.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 40420.1 Broadband Customer Gateway Virtualization Based on Public Telecommunication Network Part 1.General Requirements
ITU-TT.38 Type 3 fax real-time transmission communication protocol on IP network (ProceduresforReal-TimeGroup3
FacsimileCommunicationOverIPNetworks)
ITU-TG.168 Digital network echo canceller (Digitalnetworkechocancelers)
ITU-TG.711 Pulse code modulation (PCM) standard for voice frequency [Pulsecodemodulation(PCM)ofvoicefre-
quencies]
ITU-TG.722 7KHz audio coding within 64kbit/s (7kHzaudio-codingwithin64kbit/s)
ITU-TG.722.2 Wideband speech coding using adaptive multi-rate wideband (AMR-WB) at a rate of 16kbit/s
[Widebandcodingofspeechataround16kbit/susingAdaptiveMulti-RateWideband(AMR-WB)]
ITU-TG.729 uses a conjugate structure with a bit rate of 8kbit/s to excite linear prediction speech coding [Codingof
speechat8kbit/susingconjugate-structurealgebraic-code-excitedlinearprediction(CS-ACELP)]
IEEE802.1p LAN Layer 2 QoS/CoS protocol (LANLayer2QoS/CoSProtocolfor
TrafficPrioritization)
IETFRFC2833 RTP data packet transmits dual-tone multi-frequency (DTMF) signals, telephone tones and telephone signals (RTPPayload
forDTMFDigits, TelephonyTonesandTelephonySignals)
IETFRFC4730 SIP transaction package related to KPML [ASessionInitiationProtocol(SIP)EventPackage
forKeyPressStimulus(KPML)]
3 Terms and definitions
The following terms and definitions defined in GB/T 40420.1 apply to this document.
3.1
Voice service control protocol
In the voice virtualization scenario, the OLT configures PG voice and PG reports to the OLT to detect phone events and perform voice voice channel signals
Sampling and other control protocols.
4 Abbreviations
The following abbreviations apply to this document.
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