VoIP trends in Fixed Network Operators

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1 VoIP trends in Fixed Network Operators Petros Sarantopoulos Carrier Networks Control SIEMENS GREECE

2 Agenda Standardization MSFORUM / ETSI TISPAN Towards Class-5 VoIP Future trends

3 ETSI NGN Overview Standardization Activities The ETSI TISPAN working group started to work on the NGN Architecture in December 2003: TISPAN = Telecommunications and Internet converged Services and Protocols for Advanced Networking Focus on enhancing the IMS 3GPP for fixed line access Will (some want) for PSTN / ISDN Replacement Support of Advanced Multimedia Services TISPAN Release 1: 2nd half based on 3GPP IMS release 6

4 3GPP and ETSI Common NGN Architecture Rel 5. mobile fixed 3GPP ETSI IETF SIP SIP IMS Rel 6. SIP IMS 2H/2005

5 NGN Standards: MSF Architecture Release 2, TISPAN NGN

6 Target of TISPAN NGN architecture: New end-user services for SIP users independent of access method Push and Talk, IM* and Chat Converged Address Book Converged Centrex Services Dual Mode Handsets Voice over IP Video Telephony and Entertainment Seamless services between fixed and mobile users will be the key for operators to gain an edge over competitors. * IM Instant Messaging

7 Exploiting synergies with a converged infrastructure based on IMS Separated mobile and fixed domains Today: - repeated vertical integration - replication of functions - lack of correlations - no synergies Application 1 n Common application and session control layers IMS: one-time integration Application 1 n Authentication Authentication Single sign-on Specific Billing Specific Billing One Billing Specific database & integration per application Specific database & integration per application Common network integration & global user database Specific O&M Specific O&M Common O&M One single network architecture for FMC supports operators to reduce their total cost of ownership.

8 FMC network architecture common connectivity for all types of subscribers Applications Home Entertainment Hosted Office Centrex Chat Push and Talk Messaging IP domain TDM domain Residential VoIP Presence Legacy Interworking IP Multimedia Subsystem (IMS) - Session control HSS PLMN MGCF T-MGF CSCF A-MGF PSTN R-MGF Subscribers CSCF: Call Session Control Function PBX IP phone Mobile IP Clients POTS/ISDN Fixed IP Clients POTS/ISDN Fixed TDM Clients HSS: Home Subscriber Server MGCF: Media Gateway Control Function A-MGF: Access Media Gateway Function T-MGF: Trunk Media Gateway Function R-MGF: Remote Media GW Function Starting today with existing applications (e.g. fixed VoIP, Mobile data IMS services) and moving to standardized fixed-mobile applications

9 Agenda Standardization MSFORUM / ETSI TISPAN Towards Class-5 VoIP Future trends

10 VoIP evolution path Field proven VoIP applications Class 4 VoIP networks VoIP over Cable networks following (Euro) PacketCable standards Voice over Broadband (2nd line service with reduced features) New VoIP application cases gaining popularity: Class 5 VoIP networks via 2 alternative methods EMULATION: H.248 / V5.2 VoIP centralized Access gateways (with/without ADSL/GPON) for VoIP Class-5 without changing end-user equipment SIMULATION: SIP Endpoints for enhanced-voice over Broadband / FMC scenarios via any access (ADSL, WiMAX etc)

11 Drivers towards Class-5 in VoIP Commercial drivers Carriers focus again on the neglected residential segment for universal service obligation or advanced services Outdated access voice equipment / poor local loop status in some carriers Local loop competition, VoIP usage beyond cheap transport for long-distance Metro Ethernet and IP/MPLS networks available / planned in most carriers Technical enablers Access gateways for VoIP Class 5 without changing end user equipment: Metropolitan and Rural scenarios. SIP Endpoints for Voice over Broadband / FMC scenarios. Multimode SIP terminals (DSL, WiFi, VoIP, WiMAX, GSM/UMTS combinations) for mass market expected by terminal vendors. Session Border Controllers for security SIP Application Servers (ISC interface to IMS S-CSCF)

12 Application case: VoIP capable GPON/DSL Solution SoftSwitch SFU-ONT 4x POTS 1x10/100 BaseT 1xCATV 12 V H.2 48/ M 8 24 H. SBU/MTU-ONT Trunk Gateway OLT 1 (4) xds1/e1 WDM 1.25G-2.5 G Module MDU-ONU FTTC-ONU (Power feed) P Management 8xPOTS 1(4) x10/100 BaseT 1xRF CATV 24xPOTS 24xVDSL2 12x10/100 BaseT 1x CATV GC Passive Optical Splitter IP Vo DS1/E1 // Leased Lines N x GigE/10GigE // opt. POS 622 M/1.25G/2.5G Optical Amplifier Module OLT-V ONT/ONU VoIP (H.248) Switch Video

13 Application case: Rural coverage via Class-5 VoIP Brazil: Telemar Telemar: Incumbent Operator in Brazil Requirement/ Motivation: Voice service for rural areas (Legal obligation to keep license) Class 5 connection of rural areas Remote Line Units (RLU) Voice ports Remote VoIP line units (Access Gateways) for subscribers per village with: Satellite feed H.248 Softswitch control

14 Application case: Enhanced Consumer VoIP over broadband (xdsl, HFC) Softswitch VoIP platform, SIP P GC M / S NC TG CP / MG CP,H xdsl Cable TV STP PSTN POTS Phone VoIP adapter Broadband Modem (*) SS7 Carrier IP Backbone (*) Modem could include VoIP adapter (1-box solution): emta (Cable), IAD (ADSL) Trunk VoIP gateway + Lawful Interception + Number portability +Emergency call routing + supplementary services

15 Application case: VoIP Solution with WiMAX SIP Voice Application Server Radio Access Network SIP Voice MGCF, SGW H.248/ MGCP ATA GbE ta Da WiMAX CPE (*) WiMAX Base Station (*) : Assumes non-integrated VoIP in CPE Trunk GW L2 Metro Ethernet SS7 E1/STM-1 IP/MPLS Backbone B-RAS Signalling Path (in Red) : Access and Trunk using VoIP Voice Bearer Path (in Blue) : Example of WiMAX VoIP call to PSTN PSTN/ PLMN Internet

16 Parameters for the optimal solution for Class-5 Services Operations as ILEC, CLEC, Mobile, Cable, ISP IMS / Fixed Mobile Convergence applicability Regulatory framework (e.g. Lifeline support, Lawful interception, LLU conditions) Existing TDM Class-5 services support, 1st or 2nd line service Multimedia services support Network status Outside plant status Network size, Application case for Rural or Metropolitan Planned DSL penetration Application case CAPEX (full chain: subscriber, exchange, cabling, transmission) OPEX, Management simplicity VoIP terminal availability, price, lifecycle, mass market considerations Interoperability and vendor independence, Standardization progress

17 Agenda Standardization MSFORUM / ETSI TISPAN Towards Class-5 VoIP Future trends

18 Beyond Addressing new customer demands with attractive new applications Home Entertainment Video Communication Home Control Healthcare Services Home Security Revenue Declining voice revenues Smart Home services will be one of the most significant services to boost profits Time

19 Example: Unified user experience for Home Control Smart Home on TV (Set Top Box) Smart Home on Mobile Phone Smart Home on Internet

20 Evolution towards Smart Home services On the Move Smart Home Remote via WEB TeleTeleEntertaiment Entertainme communicati communication on nt Lighting, HVAC&ECA HVAC&ECA Lighting, shutters shutters & blinds blinds & Health Healthcare Care Safety Safety & & security security Appliances Appliances Gateway DECT WLAN At Home

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