AP-N5-GSM8SI GSM VoIP Module is a compact 8-Port GSM Module for GSM Call Termination Service. AP-N5-GSM8SI GSM VoIP Module can be installed in our next generation AddPac GSM Gateway N5 Hardware Platform such as AP-GV3200, AP-GV2000, AP-GS1016. This GSM VoIP Module supports Dual-Band(900/1800MHz) GSM frequency, Eight(8) SIM card Slots, Hot-Swap Switch Button, Eight(8) GSM Antenna Interface. Also this module supports the Voice DSP for GSM call termination service based on VoIP Technology.
AP-GV3200 GSM VoIP Gateway is the-state-of-the art multichannel gsm gateway device based on voice DSP/GSM chips which allow to install five(5) GSM module slots. AddPac GSM gateway is a device that can support both GSM gateway service (Digital E1/T1->GSM or Internet->GSM) and VoIP gateway service (Digital E1/T1->Internet) simultaneously. It also supports SIP, H.323 Multiple VoIP signaling protocol, various voice codec(G.711, G.726, G.729, G723.1).