I recently bought a Thai SIM for my Thai mobile phone. It works just fine. However I would like to call and text to phones overseas. How do I unlock my phone so that I can do this?

I recently bought a Thai SIM for my Thai mobile phone. It works just fine. However I would like to call and text to phones overseas. How do I unlock my phone so that I can do this?

Are you on pre or post pay? what provider?

My pre-pay AIS 12Call worked for international calls from day 1, no unlock or anything else required.

Don't forget to dial either a '+' or 001 to get international access

I recently bought a Thai SIM for my Thai mobile phone. It works just fine. However I would like to call and text to phones overseas. How do I unlock my phone so that I can do this?

Are you on pre or post pay? what provider?

My pre-pay AIS 12Call worked for international calls from day 1, no unlock or anything else required.

Don't forget to dial either a '+' or 001 to get international access

Same with my DTAC pre-paid, did nothing special to get international access.

If it is an AIS 1-2-Call sim, try dialing 009 instead of + or 001. My new SIM won't let me do the normal route and took me a couple weeks to understand that I needed to go with 009 instead.

BUT, if anybody knows how I can get + to work again, I am all ears (or eyes as the case may be).