In this field of voice communication, TSG also delivers services and maintenance which are frequently accompanied by the procurement of PABX equipment and supporting devices. To date, with the support of existing network, TSG is prepared to serve various demands of the customers for the needs of PABX hardware, from Old Model PABX until the latest one, IP-based PABX, along with its supporting spare parts, starting from servers, gateways and cards as well as related parts. The scope of manufacturers, among other things, includes AT&T, Lucent, Avaya, Panasonic, Ericson, Nortel and Alcatel. TSG customer base consist of the following industries:

  1. IT ServiceCompanies,
  2. Airlines Companies,
  3. Consumer Product,
  4. Power Energy System
  5. Insurance Industry
  6. Retail.