How to extend Call Log Being Saved time...(1 Week, 2 Weeks, Month)?

[Guest Nadavi]

In Previos Wm03/05/06 devices your could decide the period of time to keep the call log.

for 1 week

2 weeks

month

2 month

forever...

How to do this on Kaiser?

The option is gone!

Thanks,

Nadavi.