Call Recorder [SSz]

1. Automate Community
2. Business

[BACKUP]
Use it if you want, personalise for yourself.

The two number in front of the saved file stands for SIM that you use (0&1 in dual sim phones) and the call type (0-outgoing, 1-incoming).
For example:
11_phonenumber_date.3gp
11 means its a SIM2 incoming call.

Take a look at save path, and makedir path.