Anonymous call rejection – this is a function that blocks the incoming calls of subscribers with indefinite telephone number.
People calling from an indefinite number can very often hear a message that this line does not receive calls with indefinite subscriber numbers.
The Callcentric service provides consumers and businesses around the world with the benefits of cost savings and high quality phone calls using Session Initiation Protocol (SIP) which is a type of Voice over Internet Protocol (VoIP). Using software on you
Read more