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.
Media Gateway Dialogic I-Gate 4000 EDGE is a low-cost high-quality solution, which can be used as a border media gateway. Full support for all existing transmission standards and signaling VoIP traffic and the possibility of TDM telephony networking allows operators in development stage to effectively distribute CAPEX in the initial stages. This unit can handle up to 496 telephone calls simultaneously.