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© 2019 Arizona Telemedicine Program
Video Conferencing within the
Arizona Telemedicine Program
Pete YonsettoVideo Conferencing Administrator
© 2019 Arizona Telemedicine Program
ATP Map
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Common terms used in Video Conferencing
• Video Conferencing System(CODECS)
• Multipoint (MCU’s)
• Gatekeepers
• H.239 – Dual Video Stream
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Video CODEC (Coder Decoder)
• Encodes Video and Audio signals from Analog (sounds that we can hear and sights that we can see) to Digital (0s and 1s)
• Transmits and Receives digital video and audio data via a network
• Decodes Video and Audio signals from Digital to Analog so that the receiver can see and hear the message being transmitted
• Every site participating in a video conference has one of these
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• Telephones (Audio CODEC)
• Videophones (A/V CODEC)
• Polycom RealPresence, Jabber (PC based A/V CODEC)
• Hardware Video CODEC’s (Polycom, Tandberg, Cisco, Lifesize, Sony)
Types of CODEC’s
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Hardware Video Equipment
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Tandberg MXP CODEC
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Cisco C90 CODEC
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Multipoint Control Unit (MCU) aka Bridge
• Manage multipoint conferences (2 or more endpoint engaged in a conference)
• Manages call signaling to handle media mixing, switching or other media processing.
• Bridges audio and video to/from different types of networks(ISDN, IP)
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Multipoint Conference Call
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Bridged Conference
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Digital Video Bridges
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• An infrastructure device that manages domains and provides call control
• User names are translated into IP addresses, to authenticate users
• They are used to provide call authorization and to manage network resources
• Acts as a gateway to allow H.323 and SIP endpoints to connect to each other
Gatekeepers
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Endpoints registered to Gatekeeper
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H.239 (Dual Video stream)
• A Protocol designed for splitting the video bandwidth in a videoconference into a conferencing channel and a media channel
• It enables participants to share their computer screens or some other video source with all conferees
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Duo Video (H.239)
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Software‐based Cloud Video Technology
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Cloud Benefits
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WebRTC
∙ Free, open architecture project to provide Real‐TimeCommunications (RTC) utilities via API’s (Application Program Interface).
∙ This technology allows the browser, mobile platforms and IoTdevices all to communicate with a standard set of protocols.
∙ Allows customers to makes calls right from their web browsers without any software installation.
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WebRTC Video Conferencing
Browser based video.
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Zoom Cloud Video Conferencing
PC’s, laptops – Windows or Mac
Ipad, Android notebooks/tablets
Iphone, Android phones
Platforms supporting Zoom Downloads or Apps
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Zoom Features
Meetings
Video Webinar
Zoom Rooms
H.323/SIP Connector
Developer Platform
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Zoom Meeting with Logitech Group system
Equipment/Software
‐ Laptop
‐ USB Logitech cc3000e Cameraincludes Echo CancellingMicrophone/Speaker
‐ Tripod for camera
‐ Zoom for cloud video/audio
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Zoom meeting using Logitech Group system
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USB Cameras/mics
Logitech C920
Logitech Group system
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AVER‐520 USB Camera/mic
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Panacast 2 – 180 Degree HD Camera
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Meeting Owl 360 Degree Conference Camera
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USB/Bluetooth Mic/Speaker
Jabra Speak 410 Revolabs FLX UC 500
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SAMS ProjectSupervised Asthma Medication in Schools
Equipment Used
Zoom for video/audio
Verizon Jetpack for internet
3M Littmann Bluetooth Stethoscopes
3M Littmann Telesteth Software
Jabra mic/speaker
Battery backup
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SAMS – Provider Side
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ATP Calendar
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ATP On‐line Network Tool
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HTTP access for bridge