Half ring then directly to voicemail

[sjc130]

My iphone 11 Pro will do a 1/2 a ring or no ring at all and then go directly to voicemail. I am missing many calls. I have checked that my DND is off, call forwarding is off etc. 

Please help! Its so frustrating!

Thanks

[vzw_customer_support]

sjc130, we understand the importance of making sure that your device works at all times, and we are here to help! Can you please share how long this has been going on for as well as if this happens with any call you receive or a specific contact? Are you having any other issues with your device besides the one you are having at this time?

KevinM_VZW