how do I know how much time I spoke on the phone?

[#1]

how do I know how much time I spoke on the phone?

in iOS this information in the configuration section - about phone, the Xperia S there is no such information!

[Nabeel · Accepted solution]

Dial *#*#7378423*#*# in dialpad/phonepad > service tests > totl call time

[#3]

thx))

numbers in the order hours:minutes:seconds??

[Nabeel]

Yesss