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GoIP...
GoIP       One Channel GSM VoIP Gateway
Support dual protocols: ITU-H.323 V4 and IETF SIP V2
GSM module for making GSM calls
Provide 1 Sim Card ports for GSM extensions
Support G.711 A/¦̀ law, G.729A/B, G.723.1 Codecs
Support Multiple dial plans and line hun
Support QoS, NAT transversal and router function
Support VAD, CNG, EC
GOIP more¡¡
[ GoIP User Manual ]
GoIP...
GoIP_4     Four Channels GSM VoIP Gateway
Support dual protocols: ITU-H.323 V4 and IETF SIP V2
GSM module for making GSM calls
Support single or multiple servers registrations
Support G.711 A/¦̀ law, G.729A/B, G.723.1 Codecs
Support Multiple dial plans and line hunt
Support QoS, NAT transversal and router function
Support VAD, CNG, EC
GOIP_4 more¡¡
[ GoIP_4 User Manual ]