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Document directory ABCs of VoIP Keeping with Protocol Private branch exchange PBX hardware and software Can you hear me now? Codec compatibility Application in the real world Workplace Integration Best practices Conclusions

Human history is an improved history of communication methods. Since the 20th century, email has been the basic method of communication. The Invention of email has improved communication in two aspects. First, it is cheap. Second, it is real-time.

Original: http://igoro.com/archive/what-really-happens-when-you-navigate-to-a-url/As a software developer, you will certainly have a complete hierarchical understanding of how Web applications work, as well as the technologies used in these

After two days of configuration, I finally came up with it. In combination with many blog posts on the internet, I would like to summarize it! Configuration environment: Ubuntu 11.04 PCRE 8.31 OpenSSL 2.0.2 Nginx 1.2.5 To make sure that you can use

The neighbor's little Cai (side dish?!) MM home just installed broadband ADSL Internet, immediately flew over to pull me to her home, want me to give her a gmail email. Speaking of e-mail, I believe many friends will have no less than two or three?

You see nearly 300 Linux distributions listed on distrowatch.com, almost any release can be used as a server system, and in the early days of Linux, it was a "all-in-one" distribution for users, such as Slackware, Debian And Gentoo can do heavy work

Use PHP to implement an AmazonSES proxy server Understanding this article requires you to have a certain foundation of SES, if you do not understand, you can see the discussion of http://segmentfault.com/q/1010000000095210 in

Server Virtualization has been around for about ten years in the Windows computing field. During this period, many small companies are actively using this technology to fully explore the value of servers while at the same time improving storage

Article Title: how to configure the e-mail server in Linux ?. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

MySQL main master sync server buildInstall the database first here is the mysql5.6.15 version of the[Email protected] ~]# RPM-UVH mysql-*.rpmPreparing ... ########################################### [100%]1:mysql-devel ###############################