
Glanced at something about this in someone's Bangkok Post ye
I am not sure how useful this info will be. I would imagine that sending an SMS from a comnputer will not have problems based on your computer location but? I hope it helps:
"HELP DESK
Sending SMS from a PC
I want to send text messages to mobile phones here in Thailand from my Thailand-based PC. I thought this would be a simple Google, but it wasn't. I am stuck. Could you suggest any program that does this?
STEVE BURKE
Database replies: Wanda Sloan replies: SMS messaging from a computer is not really simple. Almost every service has its own rules and procedures, for starters, and of course making phone calls costs money.
Yahoo has some methods to send SMS to some Thai phones. Try this page for info:
http://asia.mobile.yahoo.com/sms/ais/tos.html.
Thaivisa.com, a web site aimed at expatriates, has an SMS service for members, with information here:
http://www.thaivisa.com/586.0.html.
eSMSzone.com is a specialty web site in Thai for SMS services in the country and internationally:
http://www.esmszone.com.
Finally, you might search a software site such as Snapfiles.com or Download.com for software that can help you out. Just use the term "sms" for your search and you will get leads to both free and shareware programs."
The Bangkok Post