Anyone tried free2roam ?
 

I have just found a roaming sim card at Free Roaming SIM, Cheap Roaming SIM - Free2RoamSIM recently. Digging a little further I also found some other websites which are relatively identical:
Cheap call rates for making and receiving calls while abroad - SIM4Roaming
Cheap call rates for making and receiving calls while abroad - Travelfone
Cheap call rates for making and receiving calls while abroad - Sim2Roam
Cheap call rates for making and receiving calls while abroad - Sim2Go
Their rates are quite reasonable with free incoming call in many key countries. The sim card comes with an UK number and there is no monthly charge and connection fee whatsoever. Moreover the calling credit will never expire.
Sounds good but I don't know I can trust them or not. Have anyone tried these sim cards yet?

It's one of quite a few Callkey / Wire9 resellers, apparently switching over from the Manx Telecom number series to the Wire9 ones with multi-ID including cheap in USA

I've seen them discussed elsewhere recently and people used them ok so far

I wonder why there are som many free incoming destinations but Belgium part of europe is charged for incoming calls. I see the same problem with some other providers, can someone tell me what makes Belgium so unique the incoming is charged and rest of europe is free incoming.

I suppose providers in Belgium require more money than other providers.