Did you know that... Incoming calls are now FREE in 134 countries and Did you know that XXSIM offers voicemail service that handles incoming calls when you are unavailable or busy!
You can buy an XXSIM from here :
https://xxsim.com/en/xxsim/simCard.html?menu_id=14
My favorite sim and VoIP for roaming in Europe and worldwide:
UWT-mobile and Xxsim: for call+sms in Europa extern and Worldwide
ToggleMobile: for internet+call+sms only in EU intern
(VoIP/Sip) FriendCaller or SipCall.ch: Worldwide sms+call