Qwest adds to VoIP product suite
Qwest unveiled a series of new features for its OneFlex VoIP product suite Tuesday, including an application that lets users compress their voice calls to free up more bandwidth for data transmissions. The point of this article is to help you to the next level and show you what this amazing subject has to offer. read more...

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What is PSTN?

The public switched telephone network (PSTN) is the network of the world's public circuit-switched telephone networks, in much the same way that the Internet is the network of the world's public IP-based packet-switched networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital, and now includes mobile as well as fixed telephones. The PSTN is largely governed by technical standards created by the ITU-T, and uses E.163/E.164 addresses (known more commonly as telephone numbers) for addressing