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3GPP2 Circuit-Switched Video Conferencing & Packet-Switched Video Telephony Services Overview. Scott Droste Chair, TSG-C WG1 Applications & Services Motorola ( scott.droste@motorola.com ). 04 December 2006 Maui, HI USA. Presentation Overview.
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3GPP2 Circuit-Switched Video Conferencing & Packet-Switched Video Telephony Services Overview Scott DrosteChair, TSG-C WG1 Applications & ServicesMotorola (scott.droste@motorola.com) 04 December 2006 Maui, HI USA
Presentation Overview • Development of video conferencing and telephony specifications within 3GPP2 • 3GPP2 Circuit-Switched Video Conferencing Service – C.S0042-0 • 3GPP2 Packet Switched Video Telephony Services (PSVT/MCS) – C.P0055-0
Video Conferencing & Telephony Specification Development within 3GPP2
TSG-C WG1 Structure 3GPP2 video conferencing and telephony service specifications developed by TSG-C SWG1.2
CS Video Conferencing Overview • C.S0042-0 defines video conferencing SO 57 & 58 at 32 and 64 kbps, respectively, over the air interface (carried in RLP) • ITU-T H.324 (Terminal for Low Bitrate Multimedia Communication) with Annex C used for video conferencing • ITU-T H.245 (Control Protocol for Multimedia Communication) version 7 (or greater) used for capability negotiation between terminals • ITU-T H.223 (Multiplexing Protocol for Low Bitrate Multimedia Communication)with Annex A & B used formultiplexing video, audio,and application layercontrol data
CS Video Conferencing Protocol Stack Video Conferencing Call Setup and Bearer Protocol Stack
CS Video ConferencingAdditional Capabilities • Supports video conferencing with 3GPP-324M terminals • SO 58 (64 kbps service) invoked over cdma2000 channel • IWF acts as gateway for video conferencing negotiation and control messages and EVRC to 3GPP-AMR speech transcoding
3GPP2 Packet Switched Video Telephony Services (PSVT/MCS) C.P0055-0
Packet Switched Video Teleconferencing (PSVT) Overview • C.P0055-0 defines support for one-to-one conversational video services on 3GPP2 networks between: • Two mobile terminals • A mobile terminal and a video terminal on the Internet • Defines minimum requirements to ensure interoperability within 3GPP2 networks as well as optional capabilities and feature support to enable interoperability across other networks and technologies • Support defined for 3GPP2 IMS and 3GPP2 non-IMS networks
PSVT Network Reference Model Network Reference Model for Non-roaming Mobile-to-Mobile PSVT Call
PSVT IMS Network Reference Model Network Reference Model for Non-roaming Mobile-to-Mobile PSVT Call over IMS
PSVT RAN and PDSN Protocol Stacks Protocol Stack when HDLC framing is applied Protocol Stack when segment-based framing is applied
PSVT Feature Initialization • Feature Initialization occurs prior to PSVT call origination or termination. • Initialization tasks: • Configure & activate QoS for transporting SIP traffic • Configure QoS for transporting voice & video traffic • Configure QoS for transporting RTCP packets for voice & video streams. • Negotiate ROHC parameters for compressing the voice and video traffic • SIP Proxy or IMS core network P-CSCF registration
PSVT In-Call Media Management C.P0055-0 defines SIP-based mechanisms for: • Adding Bi-Directional Video to a VoIP Call • Removing Bi-Directional Video from a PSVT Call • User-Initiated Removal of Video from a PSVT Call • Network-Initiated Removal of Video from a PSVT Call
PSVT Supplementary Services & Functions C.P0055-0 defines support for the following optional services & functions: • PSVT Voice Retry • Retry PSVT Call Origination as VoIP • Retry PSVT Call Reception as VoIP • Retry PSVT Call Origination as 1x Circuit-Switched Voice • Retry PSVT Call Reception as 1x Circuit-Switched Voice • Video/Media on Hold
C.P0055-0 PSVT Development Status • C.P0055-0 V&V Comment Resolution occurring this meeting cycle • Anticipate TSG-C approval for publication at end of this meeting or in January 2007
Thank You For more information, please contact: WG1 – Applications & Services Scott Droste (scott.droste@motorola.com) SWG1.2 – Multimedia Services Keith Miller (keith.miller@nokia.com)