I tried turning airplane mode off and then back on.  No change, unanswered calls don't go to voicemail, rejected calls do go to voicemail. My handset is an iPhone 14.  I put the Sim into a Samsumg galaxy A31 android handset. No change, unanswered calls do not go to voicemail, rejected calls do go to voicemail. ... View more

Thanks This for a mobile Sim only service, and I have already set up voicemail.     The problem is calls only go to voicemail if I reject the call.  If the call just rings out the caller gets disconnected and it doesn't go to voicemail. ... View more