straight from the att.com website....
* Call history for U-verse Voice
With AT&T U-verse Voice and AT&T U-verse TV, you can view a list of your most recent call records, by date and time, either online or on your TV screen. You can also sort your calls by missed, answered, or outgoing calls.
+ View your U-verse call history on your AT&T U-verse TV Screen
You can use your AT&T U-verse TV remote to tune to your call history. You can even return calls with the press of a button on your remote.
1 Tune to Channel 9900 using your AT&T U-verse TV remote, or use the interactive menu (press Menu on your U-verse remote control, then scroll to the Interactive section).
2 Select an AT&T U-verse Voice phone number on-screen.
3 Press OK to view a log of answered and missed calls. You can sort by name, date, or phone number.
4 Scroll using the Browse arrows. Highlight a number and press OK to return a call.
5 Highlight Call, then press OK. Your home phone will ring and the call will be placed.
+ View your U-verse call history online
You can view your U-verse call history online at att.com.
1 Log in to your myAT&T online account. (If you don't have a myAT&T login, create a user account now.)
2 Select myAT&T at the top of the page.
3 Hover over Home Phone at the top of the page, and then select U-verse Voice Usage.
You can sort your usage detail by name, length of call, or search for a specific call.
Select Call next to any number to call that number. Your home phone will ring and, when you pick up, the call will be placed.
Important Note: Call History cannot be manually deleted but will be automatically deleted after 60 days, or after reaching the 100 call maximum. Outgoing calls are only viewable online.