Thursday, October 21, 2010

Benefits of H.323 Technology: An extension of H.320 Design

The H.323 is based on the H.320 specification. Many components of H.320 are included in H.323. In this regard, H.323 can be seen as an extension of H.320. The new standard was designed specifically with these ideas in mind:

     * Build on existing standards, including H.320, RTP and Q.931
     * Incorporate some of the advantages of the packet-switched networks to carry data available in real time.
     * Solving the problems posed by sending data in real-time packet switched networks.

Benefits of H.323 technology:

·    Reduced operating costs: You can use the wired campus, WAN connections based on IP routers and WAN services to send video. This is a potential source of significant operational savings. Support costs of infrastructure (eg SNMP) can be combined. H.320 technology typically requires you separate networks for video and data. This means double cabling and network infrastructure. This model increases the cost of system implantation.
·    Wider dissemination and greater portability: With H.323, each port over IP video can potentially support. This makes the technology accessible to a wider range of users. It is also easier to move a team in our environment, which will make the same computer can be used for more applications. With H.320, you must dedicate one line for each location. Most rooms or personal computers can not easily support video, which also limits the accessibility and portability of systems.

Client/Server features of H.323 network design

The design relies heavily on the H.323 network components. Its capabilities are distributed across the network. One example is the gatekeeper. A gatekeeper can reside on a server in a gateway or an MCU. Is responsible for registering users or customers (videoconferencing systems) and can potentially provide a set of communication functions.

As a rule, H.320 equipment is not connected to a server. The characteristics of the system lie in the same videoconferencing platform. This approach oriented communication terminal does not support supplementary services such as call routing, transfer or retention. These are services that are used by the technology of the telephone exchange.

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