To aid in standardizing the design of software switching equipment, the International Packet Communications Consortium has devised a schema that describes the entire complex functionality.
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MEGACO is functionally equivalent to the MGCP. Why create two protocols that do the same thing? This one works with more types of underlying transport.
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The proliferation of personal phone numbers that comes with our abundance of telephony choices can be a pesky problem. Is there a viable fix?
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The Media Gateway Controller is in the logical portion of the softswitch architecture; the Media Gateway, the physical. Allowing the former to talk to the latter are two protocols; we'll examine one.
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Coming down the home stretch of VoIP deployment, a check-list of seemingly minor issues can make the difference between success and . . . headaches.
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The design of an adequately provisioned voice/data network begins with careful usage measurement. Fortunately, there are tools to help.
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The communications—such as on/off-hook, dialtone, and busy signal—that set up and terminate calls on the PSTN are replaced by a complex set of protocols and procedures in the packet-based H.323 world.
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Some careful analysis of cost-related issues will help keep VoIP implementation free from unpleasant financial surprises.
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New survey reveals that VoIP performance monitoring (not surprisingly) is critical to the success of VoIP deployment.
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As a robust client/server application modeled on familiar IETF protocols, such as SMTP and HTTP, SIP would seem to have a simple, clearly defined role in a suite of IP tools. However, a number of variables add complexity to SIP's operation.
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