VoIP Introduction

All about VoIP and SIP. Described in easy words what it is and how you can achieve benefits from using it. Read more...

Cheap calls

VoIP often means an economy benefit for the end customer. Let's take a closer look in the internals and decide if it's really as cheap as the advertising says. Read more...


In the background of VoIP are several technologies layered. Each one of them is innovative and promising a lot, but only a combination gives it enough basis for a successful commercial use. If you want to know more about each technology in details then use links below:

Technologies by categories:

  • VoIP: SIP, RTP;
  • Security: SRTP, TLS/SSL;
  • Routing: STURN, TURN, ICE;
  • Audio codecs: G.729, G.722;
  • Instant Messaging: SIMPLE, MSRP;
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Customer Quotes

George Witney, VoIP consulter, UK told us:

I was impressed by the VoIP client sipManiac today. It's one of the best VoIP clients on the market which I've kept in my hands. Stylish and easy to use. I have installed it on my Android G1 and in 30 seconds made the first test call to my friend. The audio was loud and clear. Connection stable. Thanks guys for involving me in Beta testing. I'm waiting now for the release.

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