... GSM inevitable choice of system Integrators, traffic Business and soft switch Manufacturers. Key FeaturesOpen Standard VoIP Protocols (SIP&H.323)Single ... ) (AC/DC adapter included)Warranty: one yearNEW product-16 ports GSM VoIP Gateway (GoIP-16)With increasing demand for current products, we develop ... the software can be supported by GoIP? VOS,VPS,VoIP switch,3CX,P·B·Xes,free PBX,MOR 3. What is ...