So. I bought my partner a phone. He kept his old number from vodafone. Everyone else can call him no problems but when I try it goes to Vida voicemail not ID sim with imported number. 
 

it’s been weeks so time hasn’t worked. He’s pixel 8a I’m on iPhone 13 Pro. I have tried changing settings to no avail. His are all correct and number shows on his phone as correct. 
 

just me he can’t receive from. I’m on talk mobile