If caller has hidden number, call history shows a specific caller's id from contacts that is not alphabetically first or last in contacts (but maybe chronologically first entry).
In details "-1" is shown, if clicking for calling back, any USSD code is executed and MMI error is shown.
Just Android notifications shows an unknown call as long as is not corfirmed in SD.
If caller has hidden number, call history shows a specific caller's id from contacts that is not alphabetically first or last in contacts (but maybe chronologically first entry). In details "-1" is shown, if clicking for calling back, any USSD code is executed and MMI error is shown.
Just Android notifications shows an unknown call as long as is not corfirmed in SD.