VoIP (Voice over Internet Protocol) is a service of voice transmission over the Internet, based on the IP options. This is an advanced technology that enables it to provide 'voice services eliminate the need for cable connections, telephone lines. This leads to a very appreciable reduction in financial charges for calls.
But VoIP is now just calls between computers. More convenient ways to use VoIP is to purchase an IP phone or IP gateway for connecting an ordinary telephone. Telephoning is different from the traditional telephony. Customers can obtain the full geographical telephone number and a call via VoIP and the fixed and mobile networks. These calls can no longer be free as part of the route are classically transmitted via the public telephone network, but the price for them is significantly lower than for calls from fixed lines. Moreover, in VoIP networks, number portability works and the customer has the ability to transfer a phone number that previously used for traditional telephony.
Businesses will appreciate a wide range of options open to them when using VoIP. For example, free phone connection with corporate offices and shops, configuration flexibility.