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Voice over WiMax Development Trends Amnon Gavish VP TBU Business Development [email protected] Topics • Challenges and complexity • Customer perspective • Service provider perspective • 3G new breed of services • Solutions & protocols The Challenge • Hybrid solutions of WiFi/WiMAX and 3G/GSM enabled devices - next step in Mobile Broadband evolution • From a consumer perspective, these technologies should operate seamlessly • This hybrid of technology convergence o Introduces new challenges o Requires knowledge of a wide range of technologies How can the customer use it? What about the user experience? The Complexity • Convergence o Access (XDSL, Cable, Wi-Fi, WiMAX, 3G, …) o Networks (CS, PS, radio) o Device (per technology vs. cross technology) o Service (Service per network vs. unified services) • Technologies (DMH, UMA, FMC, IMS) • Mobility (network independent services) • Coverage (roaming, handover, handoffs) • Usability (How can customers use it?) • Services (Quad play – voice, video, data, mobile) The Broad Picture - WiMax Convergence DMH IMS WCDMA CDMA2K PSTN WiFi Packet Cable UMA The real developer challenge… WiMAX 2/2.XG PSTN/ DECT FTTx FMC • • • • • • • Customer objective: Preserve existing services Telephony Emergency call TTY SMS, MMS Data/ Internet Location Service Supplementary Services (e.g. Caller ID, one voicemail, 3way conference) • No change in phone number • Incoming calls “follow me” • Outgoing calls have same caller identity • Synchronized address book • One dial plan • Voice quality • Security Customer objective • Identical user experience • Additional services: o o o o o o Simplify call forward between wireline and wireless Alarm system Fax Mobile stations to act as cordless phones when at home, calls idle phones when busy Intercom feature Multimedia services • One consolidated bill • Reduced cost, time, and hassle Customer objective (cont.) • Works on multiple networks (enterprise, home, home office, cellular) • Coverage and seamless transitions (roaming and handover) between networks Service provider objective Increase ARPU • Providing mobile access at home or in the office to increase usage by customers • Poor coverage at a subscriber’s home or office ranks as a primary reason for subscriber churn • Keep customers on their networks where ever possible to avoid roaming or other related charges while on other networks • Seamless integration of additional services (e.g. multimedia) Service provider objective: Services • Quad play services to its customers • Bundled services from its inventory of services • Enter the mobile loop market by providing converged fixed/mobile services • Customer experience the same or better than that offered by competing mobile service providers • All services to perform as well, independent of the access/ network including call-setup time, voice quality, data rates, etc. • Use existing core network to deliver all services, including authorization and billing, for licensed and unlicensed access 3G New Breed of Services • Enhanced Messaging o o o Video Mail (VM) Advanced Multimedia Advertisement Multimedia Messaging (MMS) • Conversational Multimedia o o o Push-To-Talk (PTT) over Cellular (PoC) Push to Show/ Push to View Videoconferencing for business or private use “on the go” 3G New Breed of Services (cont.) • Video Streaming o o o o Live video broadcasting – TV on the go Video On Demand (movies, news clips) VOD Video session archiving services Playback & recording • Peer to Peer o o o o Video Chat Interactive gaming Video sharing (“See what I See”/ “We share”) Collaboration 3G New Breed of Services (cont.) • Complementary services o o Presence aware services Location aware services The Solution • Only IP can do it all and integrate services: o o o o o o Voice Video Presence IM Mobile 3G • Using: o o o o IMS/MMD SIP IPPBX Softswitches Service Enabler Protocols • Enhanced Messaging o o o SIP or 3G-324M – Video Mail (VM) 3G-324M or SIP – Multimedia Advertisement SIP – Multimedia Messaging (MMS) • Conversational Multimedia o o o SIP - Voice SIP/PoC – Push-To-Talk (PTT) over Cellular (PoC) 3G-324M or SIP – Video Telephony & Conferencing • Video Streaming o o 3G-324M (DTMF based video portals) RTSP (IP TV, surveillance) • Multimedia Gaming o o SIP/JSR-180 (J2ME) SIP/PoC Services & Protocols • Push-To-Talk (PTT) over Cellular (PoC) o o POC Consortium/ Open Mobile Association (OMA) specification Based on SIP RFC3261 & RTP/RTCP RFC3550/1 • Presence & IM/MMS o o SIP RFC3261 + SIMPLE WG specifications SIP MESSAGE & MSRP • Video telephony/ conferencing o 3G-324M o IETF XCON • Video on Demand (VoD) o Real Time Streaming Protocol (RTSP) RFC2326 o 3G-324M UE Solution Architecture Application GUI Media Telephony Presence Streaming RTP SIP SIMPLE /RTCP (SigComp) UDP/TCP/IP Video Services RTSP POC 3G-324M CS Other UE Requirements • • • • • • • • • • • 3GPP/2 SIP IPv4/IPv6 support for signaling and media PoC support SigComp Mobile IP enablement Dynamic IP enablement Advanced RTP/RTCP (RFC 3550/1) RTSP SRTP J2ME JSR 180 enablement Support for feature/ smart phone Thank you! Amnon Gavish VP TBU Business Development [email protected]