Asterisk 1.4 The professionals Guide by Nir Simionovich

By Nir Simionovich

In element

AsteriskNOW is an open-source software program equipment from Digium: a personalised Linux distribution, which include Asterisk (the prime open-source telephony engine and power kit), the AsteriskGUI, and the entire different software program wanted for an Asterisk telephony method. AsteriskNOW is straightforward to put in. It enables you to install Asterisk speedy and simply, and gives flexibility, performance and contours which are to be had purely in dear proprietary company platforms.

What you'll research from this publication?

  • The easy elements of an AsteriskNOW telephony system
  • Installing AsteriskNOW
  • Building an place of work PBX utilizing AsteriskNOW
  • Using the AsteriskNOW internet GUI interface
  • Configuring an IP delicate cellphone: CounterPath X-Lite
  • Configuring an IP tough mobilephone: LinkSys 941
  • Configuring an IP adapter
  • Configuring a connection for an IAX2 DID provider
  • How to devise the routing good judgment of your PBX
  • How to list your procedure announcements
  • Building a menu utilizing the GUI wizard
  • Configuring and utilizing convention rooms with the conferencing system
  • Writing your individual functions for Asterisk with the Asterisk Gateway Interface

Who this ebook is written for?

This ebook is for entire rookies who're drawn to constructing their very own telephony approach and are beaten with the configuration innovations in Asterisk. It exhibits find out how to set up and configure AsteriskNow and configure the necessary dial plan.

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Additional info for Asterisk 1.4 The professionals Guide

Sample text

Therefore, an alternative protocol (UDP or User Datagram Protocol) is used for voice and other "streamed" traffic, as there is no significant loss of perceived quality if small numbers of packets go astray between source and destination. The problems, such as latency and jitter, arise when larger amounts go missing in action. Within company IP networks, dropped packets typically start occurring when traffic levels get too high. An analog voice network works by setting up a channel with more-than-adequate "bandwidth" between the two parties that is not used by anyone else.

Hence, should the introduction of Gigabit throughout the network be out of scope then there is no serious need for concern. A well designed and implemented 100 Mbps network has plenty of bandwidth for voice traffic, even if it is not as future-proof as it might be. Backups One area that can cause problems is if data backups are run across the network during working hours. You'd be surprised how many companies run their backup routines at times when high call volumes can be expected, even during the lunch hour.

However, it is perfectly possible to get adequate information that will allow you to gain a good understanding of the customer's network throughput without outsourcing the work. If the customer uses managed switches, then the job will be pretty easy, as virtually all will allow you to see real-time traffic information and download that data for later analysis. This is also true for the majority of routers, although that does rely on the customer having access to the router interface. If the router is managed externally then there will be a need to request the data from the service provider.

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