How do I change the number of rings before my voice mail picks up?

Here is an example of how to change the number or rings on AT&T.

Change Number of Rings Before Voicemail Answers - AT&TAT&Thttps://www.att.com › support › article › u-verse-voice

Check with your carrier for instructions on your phone.

Contact your cellular carrier to see if they have any option to shorten or lengthen the ring time.