Asterisk: The Future of Telephony by Jim Van Meggelen, Jared Smith, Leif Madsen

By Jim Van Meggelen, Jared Smith, Leif Madsen

I used to be seeking to this publication to realize an summary of Asterisk. As is generally the case with O' Reilly books, this one didn't disappoint. i'd certainly suggest this to anyone who's commencing to discover Asterisk.

Additionally, there are references and info important for carrying on with your realizing of this excellent platform. there's a lot of data which can get you began with a hands-on Asterisk adventure.

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Extra resources for Asterisk: The Future of Telephony

Sample text

As for the exact performance impact of these factors, the jury's still out. The effect of each is known in general terms, but an accurate performance calculator has not yet been successfully defined. This is partly because the effect of each component of the system is dependent on numerous variables, such as CPU power, motherboard chipset and overall quality, total traffic load on the system, Linux kernel optimizations, network traffic, number and type of PSTN interfaces, and PSTN trafficnot to mention any non-Asterisk services the system is performing concurrently.

As for the exact performance impact of these factors, the jury's still out. The effect of each is known in general terms, but an accurate performance calculator has not yet been successfully defined. This is partly because the effect of each component of the system is dependent on numerous variables, such as CPU power, motherboard chipset and overall quality, total traffic load on the system, Linux kernel optimizations, network traffic, number and type of PSTN interfaces, and PSTN trafficnot to mention any non-Asterisk services the system is performing concurrently.

Essentially, this involves two completely independent power supplies, either one of which is capable of supplying the power requirements of the system. If this is important to you, keep in mind that best practices suggest that to be properly redundant, these power supplies should be connected to completely independent Uninterruptible Power Supplies (UPSs) that are in turn fed by totally isolated electrical circuits. com to register it. 2. Environment Your system's environment consists of all those factors that are not actually part of the server itself, but nevertheless play a crucial role in the reliability and quality that can be expected from the system.

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