newbie needs advice about roaming?

[missmouse3]

I have a LG L3 E430, not very experienced with this type of phone yet. Im going to Thailand soon & was thinking of some way to reduce charges. One way I thought was to buy a local PAYG sim but then nobody would know my number - is it possible to set up call divert using my existing sim ( talkmobile) to the local sim's number thus allowing anyone in UK to contact me but thereby bypassing my ( no doubt while roaming very expensive) Talkmobile account?
Hope you can understand!

 

[Thom]

I moved your question to the forum dedicated to your phone.

... Thom