Goip_4 gsm gateway is the gsm network and the voip network connecting seamlessly new productss. Mobile phone sim cards will be installed in goip, users of gsm phones can be registered to voip softswitch system. Goip users can be achieved through the gsm network on the car alight. Goip built-in sip and h.323, configuration flexibility. Sip can be thoroughly used when electricity came display numbers. Goip is pbx vendors, system integrators and provider of choice for both gsm productss
