It is a call which is made over internet protocol (VoIP). For example,
one can call using Google Voice to other recipient located miles away. Such
call can also be international.
we are a VOIP service provider for last 6 years ,providing pinless,callback,wholesale terminations, call center terminations,DID provider,ITFS,TFN and others. add me on skype:basskype2011.
msn(hotmail),yahoo:bas_tomar