tr41-04-08-004 & t1a1/2003-165 relationships between t1a1, tr41, etsi stq and itu-t sg 12 roger...

TR41-04-08-004 & T1A1/2003-165

Relationships between T1A1, TR41, ETSI STQ and

ITU-T SG 12

Roger BrittTR-41Vice-ChairNortel Networks

2

TR41-04-08-004 & T1A1/2003-165

Overview TR-41 Performance Subcommittees Loss Plan Harmonization Relationship between T1A1 & TR-41 TR-41.4, IP Telephony

Infrastructures Relationship between T1A1, TR-41,

ETSI STQ & ITU-T SG 12;aka Voice Standards Summary

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TR41-04-08-004 & T1A1/2003-165

Performance Subcommittees

TR-41.1 old: Multiline Terminal Systems

new: Telephony Aspects of MLTS and VoIP Equipment

TR-41.3 Analog and Digital Wireline Terminals

TR-41.4 IP Telephony Infrastructures

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TR41-04-08-004 & T1A1/2003-165NA Loss Plan Road MapG.101

SLR 8 dB1

RLR 2 dBOLR 10 dB

TIA-470.110-CSLR 8 dBRLR -3 dB@ 2.7 km

TIA-810-ASLR 8 dBRLR 2 dB

TIA-920SLR 8 dBRLR 2 dB

T1.508Loss A/D 0 dBLoss D/A 6 dB

TIA-912-ALoss A/D 0 dBLoss D/A 6 dB

TIA-464-CTIA-464-C-1

Loss A/D 0 dBLoss D/A 6 dB

T1.508Loss D/D 0 dBLoss D/D 0 dB

TIA-912-ALoss D/D 0 dBLoss D/D 0 dB

TIA-464-CTIA-464-C-1

Loss D/D 0 dBLoss D/D 0 dB

Analog Digital

ESLR = SLR + Loss D/D = 8 + 0 = 8 dBERLR = RLR + Loss D/D = 2 + 0 = 2 dBOLR = SLR + Loss D/D + RLR = 8 + 0 + 2 = 10 dB

ESLR = SLR + Loss A/D = 8 + 0 = 8 dBERLR = RLR + Loss D/A = -3 + 6 = 3 dBOLR = SLR + Loss A/D + Loss D/D + Loss D/A + RLR = 8 + 0 + 0 + 6 - 3 = 11 dB

Where: ESLR and ERLR are the “Equivalent” SLR and RLR at the 0 dBr point.Note 1: According to ITU-T Recommendation G.100.1, Clause 6.3, SLR > 2 dB gives reasonable protection against objectionable speech clipping.

RecentlyPublished

Published

Soon to bePublished

TR41.4TR41.4

TR41.3TR41.3TR41.3

TR41.1TR41.1T1A1.3 T1A1.3

SG12

Same

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TR41-04-08-004 & T1A1/2003-165T1.508 Interface Diagram

AAL

DT

Packet Connection

TDM Connection

Analog Connection

DAL

WAN

EnterpriseNetworkAccess

Ports

Tandem SwitchedNetworkDigitalTrunks

Carrier ProvidedAccess Lines

TDM Offices(IXC/ILF, ATO,

MSC, DEO)

Packet Facilities(IXC/ILF, ATO,

MPG, DEO)

AAL

DT

WAN

Packet Network Ports

Digital EndOffice Complex(including ONU,RDT & RSU)

AAL Analog Access LineAAL(A) Analog Access Line with

Analog interface at PBXAAL(D) Analog Access Line with

Digital interface at PBXATO Access Tandem OfficeCB Channel BankDAL Digital Access LineDEO Digital End OfficeDT Digital TrunkFXD Foreign Exchange Digital

with Digital interface at VGFXO Foreign Exchange Office

with Analog interface at VG

IAD Integrated Access Device(DSL modem)

IDLC Integrated Digital LoopCarrier

ILF Inter-LATA FacilitiesIXC Inter-Exchange CarrierMPG Mobile Packet GatewayMSC Mobile Switching CenterMTA Multimedia Terminal Adaptor

(cable modem)ONU Optical Network UnitPAL Packet Access LineRDT Remote Digital TerminalRSU Remote Switching UnitVG Voice GatewayWAN Wide Area Network port

CB

AAL(A)/FXO

DAL

EnterpriseNetwork

(PBX, VG)

AAL(D)/FXD

DAL

WAN (VG only)

Figure 1 – DEO Loss Plan Ports and Interconnections

AAL DAL PAL

MTA/IAD(VG)

DAL

DAL AAL

PAL

IDLC

Gateway

PAL

PAL

6

TR41-04-08-004 & T1A1/2003-165TIA-912-A Interface Diagram

PrivateNetwork

Ports

PublicSwitchedNetwork

Ports

TelephoneAccess Lines

DEO Packet Network Ports

VoiceGateway

(Enterprise,MTA & IAD)

DAL DAL

Voice Gateway

WAN WAN

ONS DGS DGS

DT DAL

DAL DAL

AAL FXO

AAL CB FXD

OPSOPS

DAL

ONS

ATT

DAL

PBX

AAL(A)

ATT

PAL PAL

WANPAL

Packet Facilities(DEO, IDLC, VG)

WANPAL

Packet Connection

TDM Connection

Analog Connection

PrivateNetwork

Ports

PublicSwitchedNetwork

Ports

TelephoneAccess Lines

DEO Packet Network Ports

VoiceGateway

(Enterprise,MTA & IAD)

DAL DALDAL DAL

Voice Gateway

WAN WAN

ONSONS DGS DGS DGS DGS

DT DALDT DAL

DAL DALDAL DAL

AAL FXO

AAL CB CB FXD

OPSOPSOPS

DAL

ONS

ATT

DAL

PBX

AAL(A)

ATT

PAL PALPAL PAL

WANPAL WANPAL

Packet Facilities(DEO, IDLC, VG)

WANPAL

Packet Connection

TDM Connection

Analog Connection

Packet Connection

TDM Connection

Analog Connection

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TR41-04-08-004 & T1A1/2003-165

Traditional T1A1-TR41 Relationship

NI NI

TR41.3T1A1.3TR41.3

PBX

TR41.1

CPE

PSTNPSTN

Enterprise

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TR41-04-08-004 & T1A1/2003-165

New T1A1-TR41 Relationship

TR41.3T1A1.3TR41.3

VG

TR41.4

TR41.1

PacketNetwork

PacketNetwork

VGECANECA

N

TR41.4

UNIUNI

DEO or CPEMTA/IAD

EnterpriseCPE

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Published Standards ANSI/TIA-912-A-2004: Voice Gateway

Transmission Requirements– Specifies transmission requirements (loss plan,

frequency response, return loss, etc. ) for VGs actinglike PBXs. Harmonized with ETSI ES202020.

TIA/EIA/IS-811-2000: Performance and Interoperability Requirements for Voice-over-IP (VoIP) Feature Telephones– Requirements for the interoperability, acoustic

performance, supplementary services support, safety, electromagnetic compatibility, and environmental performance of VoIP Feature Telephones using SIP, H.323 or Megaco.

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Published TSBs

TSB-146-2003: IP Telephony Support for Emergency

Calling Service– Addresses enterprise ECS calls placed from fixed,

mobile, remote dial-in, or wireless access VoIP terminals, including calls placed directly through an ISP. May apply to the non-enterprise environment as well. Does not address scenarios for devices connected to VoIP networks through VoIP gateways.

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Draft Standards

Draft TIA-811-A: Performance and

Interoperability Requirements for Voice-over-IP (VoIP)

Feature Telephones– Requirements for the interoperability, acoustic

performance (including wideband), supplementary services support, safety, electromagnetic compatibility, and environmental performance of VoIP Feature Telephones using SIP, H.323 or Megaco.

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Draft TSBs

Draft TSB-146-A: IP Telephony Support for Emergency Calling Service.– Addresses enterprise ECS calls placed from fixed,

mobile, remote dial-in, or wireless access VoIP terminals, including calls placed directly through an ISP. May apply to the non-enterprise environment as well. Does not address scenarios for devices connected to VoIP networks through gateways.

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Active Projects

PN-3-0061: IP Telephony Security Framework – TSB to provide an overview of the classes of security

threats that are present within the IP Telephony environment. Also suggests remediation for these threats.

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TR41-04-08-004 & T1A1/2003-165


PN-3-0102: Requirements for a Wireless LAN Based IP Telephony Subsystem

(to become TIA-1002)– Specifies requirements for the access network

including both wireless and wired networks enabling telephony communications for VoIP WLAN Telephones in a corporate environment. It does not address residential and Public Access WLAN environments.

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TR41-04-08-004 & T1A1/2003-165


PN-3-0104: Functionality Classes for IP Telephony

Residential Gateways (to become TSB-148)

– Classes of Residential Gateway– QoS control and monitoring requirements for each

Class– QoS control and monitoring functionality

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TR41-04-08-004 & T1A1/2003-165


PN-3-0105: IP Telephony Endpoint Performance

Metrics (to become TIA-1004)

– Defines a Management Framework for IP Telephony CPE that encompasses:• Performance Related Metrics

• Protocols used for Reporting

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Projects Initiated PN-3-0103: Requirements for a

Wireless LAN Based IP Telephony Endpoint

(to become TIA-1003)– WiFi version of TIA-810-A and TIA-811.

PN-3-0172: Enterprise Location Information Server Interfaces

(to become TIA-1049)– To standardize the application protocol interfaces

between the Location Information Server (LIS) application functions and other Enterprise emergency call service entities to support IP Telephony.

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TR41-04-08-004 & T1A1/2003-165

TR-41.4 Projects Initiated Media Endpoint Discovery Standard

– Addresses interactions between VoIP endpoints and IP network infrastructure elements connected in IEEE 802 LANs, including link layer configuration and policy, device location, inventory management, and other useful properties. The standard will be based on extensions to IEEE 802.1AB™ "Link Layer Discovery Protocol" (LLDP).

Media Synchronization TSB– Discuss the issues related to inter-stream synchronization when

all the concerned media are offered using:• IP networks from end-to-end;• A combination of TDM and IP networks.

– Services that will be covered, but not limited to:• Video conferencing: using video and voice;• White boarding: using data and voice

Media/Voice Gateway Performance Requirements

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TR41-04-08-004 & T1A1/2003-165

Terminal Performance

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQTIA-1003(WLAN/Cellphone Audio)

P.1010(VoIP Voice)

ANSI T1.521-1999(PLC for G.711)

TBR 8/C2-2001(ISDN HS Narrowband)

TIA-811-A(VoIP Interoperability)

P.313 Revision(Cordless&Mobile Audio)

TBR 8/C1-2000(ISDN HS Narrowband)

ANSI/TIA-470.110-C-2004(Analog HS Telephones)

P.310-2003(Digital HS Narrowband)

TBR 8-1998(ISDN HS Narrowband)

TIA-920-2002(Digital HS/Headset/HF Wideband)

P.300-2001(Group Audio Terminals)

I-ETS 300 245 Parts 1-7(ISDN HS/HF Narrowband & Wideband)

ANSI/TIA-810-A-2000(Digital HS/Headset/HF Narrowband)

P.340-2000(HF Narrowband)

TBR 10-1999(DECT HS Narrowband)

TIA/EIA/IS-811-2000(VoIP Interoperability)

P.342-2000(Digital HF Narrowband)

GSM(Cellphone Audio)

P.311-1998(Digital HS Wideband)

TS 126 131-2002(UMTS 3GPP Audio Req.)

P.341-1998(Digital HF Wideband)

TS 126 132-2002(UMTS 3GPP Audio Test)

Voice Standards Summary

Not Yet Started

Work in Progress

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Standard

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TR41-04-08-004 & T1A1/2003-165

Loss Plan & Transmission Performance

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQANSI/TIA-912-A-2004(Voice Gateway)

G.101-2003(Transmission Plan)

ANSI T1.508-2003(Digital End Office)

ES-202-020 Revision(Voice Gateway)

ANSI/TIA-464-C-1-2004(PBX Addendum)

G.108.1-2000(Effects beyond E-Model)

TR.61-2000 (IAD/VoADSL Transmission Planning)

EG-202-192-2004(Comp 201-168 to 464-C)

TSB-147 -2004(Comp 464-C to 201-168)

Q.551-2002 (Transmission Char of Digital Exchanges)

TR.60-1999 (Unbundled Voicegrade Analog Loop)

ES-202-020-2003(Voice Gateway)

ANSI/TIA-968-A-1-2003(FCC NetAmpAddendum)


TR.56-1999 (Voiceband Services Hybrid IP/PSTN)

ES-201-168-2000(PBX)

ANSI/TIA-968-A-2002(FCC Net Amplification)


ANSI/TIA-464-C-2002(PBX)



Not Yet Started

Work in Progress

Recently Publishe

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Standard

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TR41-04-08-004 & T1A1/2003-165

Gateways

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQNew (Master Design Requirements)

P.1010(Gateway Voice)

New (Media Endpoint Discovery)

G.175-2000 (Transmission planning for private/public network interconnection of voice traffic)

PN-3-0061(Security Framework)

G.177-1999 (Transmission planning for voiceband services over hybrid Internet/PSTN connections)

TIA-1002(WLAN Subsystem)

G.174-1994 (Transmission performance objectives for terrestrial digital wireless systems using portable terminals to access the PSTN)

TSB148(Functionality Classes)

G.173-1993 (Transmission planning aspects of the speech service in digital public land mobile networks)

TIA-1004 (CPE Management Framework)


Not Yet Started

Work in Progress

Recently Publishe

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Standard

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TR41-04-08-004 & T1A1/2003-165

IP Telephony

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQTSB116-2001(Voice Quality Recommendations for IP Telephony)

G.TrIP(Tx planning for interconnected IP-based networks)

TR.80-2003(Descriptors for User-Perceived Impairments in Speech VoIP Networks)

TR-101-329 Parts 1-7(End-to-end QoS & QoS Classes)

G.1020-2003 (Performanceparameters for speech over IP networks)

ANSI T1.520-1999(IP Packet Transfer and Availability Performance)


Not Yet Started

Work in Progress

Recently Publishe

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Standard

Echo

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQG.168-2004(Digital Network ECANs)

TR.27-1993(Echo Cancelling)

G.108.2-2003(Planning for ECANS)

G.114-2003(One-way Delay)

G.131-2003(Talker Echo & control)

23

TR41-04-08-004 & T1A1/2003-165

Synchronization

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQNew(Sync Methods in IP Network for QoE)

ANSI T1.801.04-2002 (Multimedia Delay, Sync & Frame Rate)


Not Yet Started

Work in Progress

Recently Publishe

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Standard

E911 ECS

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQTIA-1049(E911 Protocol)

TSB-146-A(Enterprise E911)

TSB-146-A(Enterprise E911)

24

TR41-04-08-004 & T1A1/2003-165

Modelling

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQTSB32-A-1998-2002(Overall Transmission Plan Aspects in Private Network)

G.E2EIPP (End-to-end IP performance modelling)

TR-102-356-2004(E-Model Related Documents & Projects)

G.107-2003(E-Model)

EG-201-050-1998(Overall Transmission Plan Aspects in Private Network)

G.108-1999(E-Model Planning Guide)

ETR-250-1996 (End-to-End Conversation Quality)

G.109-1999(Quality Categories)

G.113-2001(Impairments)

P.833-2001 (Methodology for Ie factors from Subjective Listening Tests)

P.834-2002 (Methodology for Ie factors from Instrumental Models)


Not Yet Started

Work in Progress

Recently Publishe

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Standard

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TR41-04-08-004 & T1A1/2003-165

Measurement

TIA TR-41 ITU-T SG 12 ATIS T1A1 ETSI STQP.VoIP-MM (Measurement methodologies for P.VOIP)

P.862.2(App Guidelines - PESQ)

P.VTQ (Derivation of voice transmission quality from non-intrusive IP protocol analysis)

P.563 (Single-ended objective VQ assessment)

P.880 (Continuous Evaluation of Time Varying Speech Quality)

P.862-2001(PESQ)

P.800-1996 (Methods for subjective determination of transmission quality)


Not Yet Started

Work in Progress

Recently Publishe

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Standard

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TR41-04-08-004 & T1A1/2003-165

Contact Information

Roger Britt

Vice-Chair, TIA TR-41

Senior Engineer

CTO’s Office

Nortel Networks

Tel: 613-763-4820

Email: [email protected]