3CX is a software- based pbx that replaces traditional proprietary hardware pbx or office mini-ATS with access to telephone network of general use. Ip pbx from the company 3CX was developed specifically to work under os Microsoft Windows and is based on the sip standard, which simplifies the management and allows you to use any Sip phone (software or hardware).
Pangolin - this is the only free software telephone with such opportunities. Its development the company is engaged Portsip. Its main disadvantage is the lack of stability. But, since developers are constantly working on the improvement of the product, we can hope for a more stable releases already in the near future.
THE X-Lite - the softphone, i.e. the program, allowing to use IP-telephony. Can be configured for internet calls, including to regular phones, through the various operators Of ip-telephony (but is not compatible with skype - it uses its own private communication standard). Besides voice calls, you can video call.
For calls from your pc, you must download and install a program (the phone), with the help of which you will be able to make calls at very advantageous tariffs, even with the SUBSTITUTION OF NUMBERS!!!
SIP telephony - from hatiffone
Want to play a friend or colleague at work, and can check his girl ). We render a full spectrum of SIP services, including SUBSTITUTION PHONE NUMBER !!! Changing phone number when making calls and sending sms messages.
The company hatiffone is the only company providing such services on the changing rooms, the rest - this is our providers. Each of them, in the control panel indicated hatiffone
Location calls the from 0.001$ around the world, free of connection fee. We have the cheapest rates - even Skype rest!!! An obvious difference from a similar - it is link quality, check the below- market and opportunity SUBSTITUTION ROOMS!!!
