Telephone service companies have created a special communication service without the need to use customer's equipment. It's called a "virtual number". It also has a text type of "virtual SMS center." Thanks to the virtual link you can make calls or send messages while connected to the equipment of the company.
Callforeign is a global provider of customized end-to-end VoIP Solutions & Services for Internet Telephony Service Providers (ITSPs) offering wholesale & retail VoIP services to their customers.