Global Teck Worldwide Inc / GSM Data Calls (CSD) GSM NETWORKS / /
Facility
GSM tower / /
IndustryTerm
cellular communications / WEB SERVER GSM OPERATOR / encrypted voice systems / mobile security devices / modem devices / transparent and non-transparent networks / Internet SNAP USER / voice services / / /
Technology
encryption / ISDN / cellular telephone / ISP / PSTN / mobile phones / SMS / GSM / V.32 / Quality of Service / WEB SERVER / Circuit-switched / /