[Asterisk-Users] Rings - How to set number

[Wilson Pickett]

> Maybe this marks me as a real newb but where do I set the number of
> rings that a phone has before it sends it to voicemail?

go to CLI and type show application dial
 
> Also for some odd reason when I ring an extension attached to my
> sipura 2100 ATA it takes it about 12 seconds to start ringing after I
> dial it (sits there with dead air on the calling phone).

What is displayed during the call?  Maybe the phone or ATA has a long
wait configured? Or asterisk has a long timeout?