Like Nigel_99, I find my twin brothers Lebara phone always unavailable from my Smarty SIM (in my Blackview Pro tablet phone) but if I use WhatsApp I can immediately get through to him. I can get through to my own Lebara (spare, Moto G8) phone from my...
Same problem... have 2 messages, but mailbox plays only the first. I shall mediately cease to use Smarty VM... t's clearly defective. Better your contacts ring again than they be misled into thinking the voicemail system they used is serviceable.
I can never fathom this ... children can access **bleep** all over the place and of the most extreme varieties with no filter at all. There is no consistency ... the banks see themselves as a gatekeeper (to cover their own backs) but the government ...