International Calling

I've bought a prepaid sim card from the local travel agent that will work overseas (fingers crossed).
The sim is run through BackChat Mobile.
Below are the rates for each country, per minute, so you can understand if we don't talk for very long...

Singapore

Cost to Call Landline:	$0.99
Cost to Call Mobile:	$1.37
Cost to Receive:	$0.79
Cost to Send SMS:	$0.75

Malaysia

Cost to Call Landline:	$1.49
Cost to Call Mobile:	$1.87
Cost to Receive:	$0.75
Cost to Send SMS:	$0.99

Vietnam

Cost to Call Landline:	$1.49
Cost to Call Mobile:	$1.87
Cost to Receive:	Free
Cost to Send SMS:	$0.99

Cambodia

Cost to Call Landline:	$1.49
Cost to Call Mobile:	$1.87
Cost to Receive:	$0.87
Cost to Send SMS:	$0.99

Laos
Unavailable (using Steve's mobile here)

Thailand

Cost to Call Landline:	$1.99
Cost to Call Mobile:	$2.37
Cost to Receive:	$1.52
Cost to Send SMS:	$0.99