Finally guys here is call recorder for nokia 7710 craked with key gen
This is a fully customizable call recording application with rules for saving conversations for incoming/outgoing calls from known/unknown numbers. Unobtrusive and easy to use.
"No beep" recording option;
Automatic recording of voice calls, optionally limited or unlimited in time;
User defined storage memory for recorded conversations;
Custom rules allowing to automate call recording for different phone numbers and call directions;
Small memory and battery usage;
Easy-to-use and intuitive user interface;