Sigos Sigos is a specialist in providing application testing all the important service functions used by mobile network customers. Applications such as testing for Inbound Roaming including the generation of IREG reports as well as other popular test of services on the GSM/GPRS EDGE and 3G networks. GRTS allows mobile network operators to activate their own SIM cards via the Internet in mobile test stations in remote countries, and verify that all services are available for their (outbound) roaming customers. |