Internet Telephony VoIP technology / resource availability separate services / research / Internet Telephony / web cams 3G mobile terminals fire / Internet appliances / sense! ! new protocols / Internet PBX / media server / ancient technology / /
NaturalFeature
Conference Fall / /
Organization
Columbia University / /
Position
FXO/FXS SIP proxy/redirect/registrar / /
ProvinceOrState
New York / /
Technology
ISDN / IP telephony / PSTN / CDMA / 9 Invisible Internet Telephony VoIP technology / instant messaging / GSM / H.323 / UDP / VOIP / 3G / PBX / MGCP / web server / SS7 / /