There does not appear to be a way to check the outgoing call duration on the iPhone 5, but there are apps you can download that may help you keep track. You can also check your current usage online to find out the call duration.
Download callog app from appstore
How can i wany aircel incoming and outgoing call detail no is
You call a big rock that is more outgoing than other rocks a bo(u)lder.
The duration of Your Call is 3120.0 seconds.
The duration of His Call is 1.03 hours.
Receving incoming calls and having a call on outgoing call
Krishna
The duration of The Call of the Savage is 3.85 hours.
You call a big rock that is more outgoing than other rocks a bo(u)lder.
*67 and u will call from a private number
go to recent call then go to cal duration on your cell phone if that doesnt work then you can probley call your cell phone company
The duration of Call of the Cuckoo is 1020.0 seconds.
The duration of Call Out the Marines is 1.12 hours.