1. November 28th – 29th 1996 Training TwinLine260 ADPCM Transcoder
Divisi Pelatihan PT (Persero)
3. July
Richmond
PT Hariff – Bandung
Telekomunikasi Indonesia
2002 FIRSTplus Operation ATC Tower Simulator
Canada
2. July 3nd – 14th 2000 Pelatihan Oracle Database Administration
Tbk - Bandung
Raytheon Canada Limited
4. December