| 1988 | Government-to-Government Communications Link (GGCL) with Moscow | |
| 1992 | Organization for Security and Cooperation in Europe (OSCE) network | |
| 1993 | Government-to-Government Communications Links (GGCL) with Almaty and Kiev | |
| 1993 | Continuous Communications Link (CCL) with Minsk | |
| 1995 | Arms Control and Regional Security (ACRS) network | |
| 1995 | GGCL/CCL modernization | |
| 1997 | Chemical Weapons Convention (CWC) network | |
| 1999 | First OSCE Network Upgrade | |
| 2003 | Second OSCE Network Upgrade | |
| 2007 | GGCL/CCL modernization | |
