Newbe

[sparkyslots]

Just upgraded from Sprint to At&t came from LG Viper to the S4 Active wow what a change

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[sparkyslots]

Quick question is there a shortcut for voice mail?

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[prolongExistence]

Funny, we just did the same thing. Upgraded (I like how you put that) from Sprint to AT&T and my wife went from a Viper to the S4 Active. She can't believe the difference either.
As far as the voicemail, there is a voicemail button on the phone dialer keypad (bottom left, pic of a cassette). AT&T also uses their own "My Messages" app, it combines sms, call log & voicemail into 1 app. I haven't tried it & if you read the reviews in the Play Store, it seems to suck due to recent updates.