Here are the way you can reach me (not all the time please remind that my time is GMT +7) also remind that it is for work only so disturbing me for nothing is a BIG error.
Traditional voice
Landline : 84-4 943-6695 / 202
Mobile : 83-4 912474995
VoIP :
skype : ict4ngo (I don’t like skype, so it is better to use email or jabber but I still can use it if it is necessary)
gizmo : davidtremblay (leave a voice mail)
SIP : 1-747-004-8537
Messaging
msn + yahoo = it4ngo
jabber gtalk = ict4ngo
