Not sure if it makes a difference but what type of device are you using??
There are also a few threads on the forum about the same subject. Here's one that I found. Hope it helps.
~ REGRET NOTHING~
~ we live & learn~
Call Customer Care or go into a corporate store. They should be able to increase your ring time from the default 20 seconds up to 30 seconds. That should give you a couple of extra rings.
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