Nymgo – a handy software for phone calls to friends in different parts of the world. Nymgo enables to call and send SMS to the subscribers on a mobile telephone. At the choice of certain country, the software displays the price per minute of a call of various mobile operators. Nymgo uses the special technology to ensure a minimal loss of quality and optimize the voice communication. Nymgo also determines the approximate location of the dialed number and enables to check the validity of a city code.