TANDBERG Media Processing System MPS 800, Руководство администратора

Страница: 67 / 179

D 13373.08
NOVEMBER 2007
MPS
Table of
Contents
TANDBERG MPS
ADMINISTRATOR GUIDE
Gateway Overview
Encryption (Secure conference
TF
)
Secure conference TF AES (128 bit) and Secure con-
ference
TF
DES (56 bit) are both supported through
the Gateway.
Downspeeding
TF
When requested quality (bandwidth) cannot be
established, Downspeeding
TF
makes the connection
establish on as high quality as possible. If channels
are dropped during a video conference, Downspeed-
ing
TF will ensure the connection being automatically
maintained without interruption.
Dual Video Streams
DuoVideo
TF
, H.239/BFCP are supported from both
ISDN, IP/SIP and allows participants at the far
end to simultaneously view a presenter and a live
presentation.
Digital Clarity
TF
Participants enjoy presentations of exceptionally
high quality resolution video.
Natural Video TF
60 fields per second true interlaced picture (iCIF).
H.264 support through Gateway TF
Superb video quality supporting the ITU video stan-
dard H.264.
AAC-LD support through Gateway TF
True standards-based CD-quality audio supporting
the audio standard AAC-LD.
Full H.243 Transparency
H.243 Multipoint Control Unit (MCU) Transparency
allows seamless MCU control through the Gateway.
Far End Camera Control using H.224 (H.281)
Far End Camera Control using H.224 (H.281) allows
seamless Far End Camera control through the
Gateway.
Intelligent Packet Loss Recovery (IPLR)
If the Gateway experiences packet loss from an IP
endpoint, it will ask the endpoint to handle packet
loss. This requires Intelligent Packet Loss Recovery
(IPLR) functionality on the video system (endpoint).
Text Chat (T.140)
Text Chat (T.140) is supported through the Gate-
way.
Gateway Support for OD/HD
H.264 w288p, 400p, w448p, w576p, w720p
•
H.263 w288p, 400p, w488p, w576p
•
Gateway Features
Gateway Features and Capacity
Gateway Capacity
Gateway Capacity
Each Media Board can support up to 7680 kbps of total bandwidth.
Each Gateway call consists of two connections. Example: A 384 kbps Gateway call has
one H.323 site connected at 384 kbps and one H.320 site connected at 384 kbps. This
means that this call is utilizing 768 kbps worth of bandwidth (384k + 384k = 768k).
Each Gateway option on the MPS allows for a maximum of 10 concurrent calls. This
means that each Gateway option can support up to 10 concurrent calls at 384 kbps.
Decreasing
•
the bandwidth of each call will not increase the maximum number of calls
possible.
Increasing
•
the bandwidth of each call will decrease the maximum number of calls.
Below is a chart outlining the maximum number of calls possible for each bandwidth that
is supported on the Gateway.
Bandwidth in Use
on Gateway Maximum Num-
ber of Calls Remaining Bandwidth
Telephone 64 kbps Max 10 calls
64 kbps Max 10 calls
128 kbps Max 10 calls
192 kbps Max 10 calls
256 kbps Max 10 calls
384 kbps Max 10 calls
512 kbps Max 7 calls This would be 7168 kbps total which leaves
512 kbps remaining for lower rate calls
768 kbps Max 5 calls
1152 kbps Max 3 calls This would be 6912 kbps total which leaves
768 kbps remaining for lower rate calls
1472 kbps Max 2 calls This would be 5888 kbps total which leaves
1792 kbps remaining for lower rate calls
1536 kbps Max 2 calls This would be 6144 kbps total which leaves
1536 kbps remaining for lower rate calls
1920 kbps Max 2 calls
67
Introduction
Quick
Setup
System
Status
System
Configuration
Installation
Gateway
Configuration
MCU
Configuration
Technical
Descriptions
Appendices Main
Using
the MPS