Add rings before voicemail

[Badjo]

How do I add rings before my iPhone 16 goes to voicemail?

edited by comutergeek541: changed category label (discussion isn't related to Community)

[Sansan]

You can try sequence even though many has complained that it hasn't been working lately. 

*61*16475804001*11*30#[SEND or CALL] : for 6 times, 30 seconds

30 seconds is the max. If you want less rings then enter 20 or 25 for 4 or 5 rings.