AddPac GSM VoIP Gateway solution provides multi-port (24~48Port) GSM VoIP gateway for GSM call termination service. AddPac GSM VoIP gateway solution is designed on the basis of hardware architecture to provide GSM VoIP service. It also provides various voice codec such as G.711, G.726, G.729, G.723.1 along with SIP, and H.323 multiple VoIP signaling protocol. AddPac GSM VoIP gateway devices are all programmable RISC CPU + DSP structure so that constant software development/additional feature upgrades is possible to cope with customer requirements/environments.
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