-- Interconnection in Europe, SS7-ISUP.
-- Interconnection in Belgium, Espagne, Angleterre, USA, Suisse, Allemagne, Maroc, Autriche, Italie,Holland in Euro-ISDN, Q-SIG, VN4 & 5, DESS, DPNSS.
-- Interconnection in Romania, Tunisie, Senegal, Israel, Centre Afrique, Madagascard in CAS E1R2 Mfc.
-- Billing Solutions for prepaid cards based on proprietary solutions.
-- Applications for invoices issuing.
-- Repporting Intranet.
-- Development and Setup of Native applications with Asterisk and tests over with QOS
-- Development and setup of Openser applications with tests over and QOS.
-- Editing architecture Asetrisk2Billing of Mono-Server to Multi-Servers.