Call-Timer can make your phone automatically hang up when your call reaches a configurable predefined time.
Why it is needed? Many network carriers or telecom services offer free calls for first 5 10 20 xx minutes. If you don’t want to monitoring the elapsed time and manually hang-up the call while talking, then you can have this application do it for you.
NOTICE: LG PHONEs
LGs may not hang up, in this case, please try to enable Setting->Accessibility->Power button ends calls (Ajustes - Accesibilidad->Colgar or Ajustes -> Accesibilidad->"El boton de activado finalizar")
FEATURES:
1/ Auto hang up: user sets time limit once and the application will be in standby mode; whenever there is an outgoing call or incoming call (optionally), the application will be activated and begin to time the call.
2/ Periodic notifications: This is useful for people who are charged per minute.
3/ Specific numbers: Allow you to specify individual phone numbers to apply limit of talk time to. You can add phone number to specific number list either by picking up contact from contacts list or by adding phone number prefixes, which are common beginning digits of the phone numbers that you want to add to the specific number list. Please note that when you choose to use “Specific numbers” feature, call-timer will not be activated (no auto hang up nor notifications) for phone numbers which do not belong to those numbers that have been added to specific number list.
4/ Multi-call support. Please read more at http://call-timer.blogspot.com/2013/01/multi-call-feature.html
5/ Timer can start either when call is answered or dialed. There is an option for you to change when timer starts. Please note that some phones and Android builds (especially, Android 4.1.2 and above) don't support timer start on answer. In that case, you need to change the option to "Timer start on DIAL" to keep the application working.

6/ Auto redial.
7/ To be notified before hang-up
8/ Temporarily disable call timer for current call
9/ Exclude contacts from timer: If you don't want call timer to have effect on certain contacts or prefixes (for example, toll free numbers), you could do that though "Exclude numbers".
10/ Widget for fast enable/disable and for dialing most contacted contacts.
NOTE on USAGE:
- OPEN THE app AT LEAST ONCE AFTER INSTALL, otherwise force close error will occur due to first time data is not initialized
- The Call timer automatically deducts 5 seconds from your configured duration. Ex, if you set 5 Minute, phone will hang up at 4' 55" from connect. This will guarantee that you don't have to pay extra-bill because of clock difference.
Please send suggestions or report bugs to call-timer@ctsoftsolutions.com. If someone could help in translation, please send an email to us.
Thank you!
CREDITS:
- Many thanks to Fernando Salazar Peris for Spanish translation!
- Many thanks to Yvette Wang for translation into Chinese