Introduction
Below are details of the AARNet H.323 MCU Bridge. This bridge acts as an alternate resource for KAREN members across New Zealand in connecting people via Standard Definition video conferencing.
Connection Details
The IP address of the AARNet Bridge is:
202.158.196.20
AARNet Bridge Specifications
The KAREN Bridge currently runs on a Codian 4220 MCU. Below are detailed specifications:
HIGH PERFORMANCE
720p up to 15 fps H.263 continuous presence; 480p up to 30 fps Comprehensive HD audio
VIDEO STANDARDS
H.261, H.263, H.263+, H.263++, H.264
VIDEO RESOLUTION
F rom QCIF to 480p at up to 30 fps and 720p (1280 x 720) at up to 15 fps, including interlaced iCIF and iSIF
4:3 and 16:9 aspect ratios
FRAME RATES
Up to 30 frames or 60 fields per second
AUDIO STANDARDS
G .711, G.722, G.722.1, G.723.1, G.728, G.729, MPEG-4 AAC-LC, MPEG-4 AAC-LD, Polycom® Siren14™/G.722.1 Annex C
PROTOCOLS
H .323, SIP, H.235 (AES), SRTP, TLS, H.239 (dual video), VNC™, BFCP, H.243 (chair control), FTP, RTP, RTSP, HTTP, HTTPS, DHCP, SNMP, NTP, NTLM (authentication)
BANDWIDTH
H .263 up to 4 Mbps, H.264 up to 2 Mbps for each site in
all conference modes including advanced (symmetric)
continuous presence
UNIVERSAL TRANSCODING AND TRANSRATING
Automatic audio/video transcoding and transrating on all calls
A ny bandwidth, any resolution, any video or audio codec
can be used on any video call within the same conference
Each participant has their own personal encode
Extremely low latency; less than 60 ms
STREAMING VIDEO
Built-in streaming server
View using Windows Media Player™, RealPlayer™ or QuickTime™ Streaming of slides (H.239 and VNC™) Text chat
Unicast and multicast
UDP, TCP or HTTP
Independent choice of bandwidth and codec
LOCALIZATION AND CUSTOMIZATION
Custom IVR/auto attendant audio prompts and graphics
Uploadable multi language support
BUILT-IN GATEKEEPER
Resolution of E.164 numbers
Registration of conferences, endpoints and gateways
U p to 25 devices can register
BUILT-IN WEB SERVER
C omplete configuration, control and monitoring of the
system and conferences
For more information, please visit http://www.tandberg.com/collateral/product_brochures/TANDBERG%20Codian%2...
