Skype phone calls

[Gary & Nok]

I guess most people just buy a sim card for their UK phone when in Thailand?

It's what I (and I'm sure most people do) did years ago.
You do have to register your passport with each sim you buy now.

[Carl]

I use Line and sykpe for video calls from UK to Thailand and both are free. I find Skype is more reliable and a better connection.