[Company Logo Image]Videoconferencing

Network Equipment
Video Site Equipment
Bridging Equipment
Furniture

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Cost effective solution for all your VIDEOCONFERENCING needs

Key Components

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Network Access Equipment 

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Video Conferencing Sites Equipment

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Bridging centers Equipment

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Videoconferencing Furniture

Pricing

Product Description

ATKSI #

Price

Network Access Equipment 

ATKSI-VC-9100 Series

From $148.00

Videoconferencing Sites Equipment

ATKSI-VC-9200 Series

From $3,500.00

Videoconferencing Bridging Equipment

ATKSI-VC-9300 Series

From $17,000.00

Videoconferencing Furniture

ATKSI-VC-9400 Series

From $600.00

Brand Names solutions from: Ezenia, Polycom/PicTel, Tanberg, VBrick Systems.

The following information provide an overview of the different standards used today in videoconferencing.  This can be helpful mainly for new users in determining what system or solution to purchase that will best fit their immediate and future needs.

 

  H.320 H.321 H.322 H.323 H.324
Approval date-Revisions 1990-1999 1996-1998 1996 (Mar) 1996/1998 1996-2002 ((includes Annexes F, G, H, I)

Network

Narrowband switched digital ISDN

The Adaptation to the ATM (B-ISDN) environment of H.320 videoconferencing

videoconferencing over one or more LAN  each of which is configured and managed to provide a guaranteed QoS (such as IEEE 802.9a ISO- Ethernet)

Packet Based Network which may not provide a guaranteed Quality of Service (QoS).

videoconferencing over General Switched Telephone Network (GSTN) or  Analog (POTS)

Video

H.261,

H.263(+)(++), H.264

H.261,

H.263(+)(++),

H.264

H.261,

H.263(+)(++)         

H.261,

H.263(+)(++), H.264

 H.261,

H.263(+) (++)  

Audio

G.711, G.722, G.728 G.711, G.722, G.728

G.711, G.722, G.728

 		G.711, G.722, G.728, G.723, G.729 G.723.1
Channel Multiplexing H.221 H.221   H.225.0 H.223
Control/Signaling H.230, H.242 H.233   H.245 H.245
Multipoint H.231, H.243     H.323  
Data T.120 T.120   T.120  

 

H.320 is a 1990 ITU umbrella recommendation for video telephony over switched digital telephone networks (e.g. ISDN).

H.321 ITU-T recommendations  was approved in 1996 with revisions in 1998.  H.321 recommendation are for video telephony over broadband ATM cell switched digital networks (e.g. B-ISDN).

H.323 ITU-T recommendations  was approved in 1996 by the ITU's Study Group 16. Version 2 was approved in January 1998.  The H.323 standard provides a foundation for audio, video, and data communications across IP-based networks including the Internet.

H.324 ITU-T recommendations are for analog POST telephone line based videoconferencing via modems.  H.324 is an interoperability standard, meaning that if a vendor's videoconferencing products confirm to H.324 it should

H.261 ITU-T is a video compression standard designed for use over 64 Kbps through 2 Mbps communication channels. Note: This standard is also know as px64 where p is in the range of 1 to 30 (i.e. multiples of the bandwidth provided by a single ISDN B-Channel).

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