VoIP is widely used in call shops because it permits significant savings to be made on the costs of international calls. Often call shops are also internet cafés and so they already have ADSL connections, making the adoption of VoIP technology, instead of the older PSTN, even more convenient.
Normally call shops use VoIP hardware telephones, even if software phones such as X-Lite, which are installed on web browsing stations, are also widely used, especially in places that also provide computers for internet surfing.
It is essential for a call shop to have one or more VoIP carriers, which provide a highly reliable service.
Below we provide a list of some carriers that are widely used: