A great program of IP-telephony in order to carry out free calls to fixed numbers and mobile phones, as well as sending an SMS to 30 countries:
Russian Federation (city + mobile), Andorra, Argentina, Australia, Austria, Belgium, Canada, Chile, Czech, Republic, Denmark, Estonia, France, Germany, Hong Kong, Hungary (mobile), Iceland, Ireland, Italy, Liechtenstein, Luxembourg, Malaysia, Monaco, Netherlands, New Zealand, Norway, Poland, Portugal, Puerto Rico, Singapore, South Korea (Mobile), Spain, Sweden, Switzerland, United Kingdom, United States (mobile).