AddPac Compact Size 16-port GSM VoIP Gateways provide high-performance VoIP to GSM gateway solution including IP-routing services for small enterprise, public offices and small & medium call termination service provider. AddPac Compact Size 16-port GSM VoIP Gateways consist of three (3) product line up like as AP-GS1016, AP-GS716, AP-GS516.
AP-GS1016 GSM VoIP Gateway provides two(2) module slots for 8-Port GSM VoIP Module. The other products provide Fixed Type 16-Port GSM Interface. This products use the state-of-art technology voice compressed algorithm and unique QoS algorithm of AddPac to maintain the maximum voice quality under fast internet line and slow internet line as well. This product is designed based on high performance RISC CPU + DSP structure; supports upgraded speed, the best quality product, offers various user-friendly functions, manufactured at low cost and this product gives high performance for its price. AddPac Compact Size 16-port GSM VoIP Gateway also supports SIP, H.323 dual VoIP signaling protocol, various voice codec(G.711, G.726, G.729, G723.1).
GSM Gateway 
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