I have a context set to fire every 2 minutes. Normally, it's
disabled. If I miss a call, I enable the context. If I unlock my
phone, it's disabled. It works very well.
=-=-= Actual reminder context and task =-=-=
Profile: Reminder (34)
Time: Every 2m
Enter: Reminder (55)
Task: Reminder (55)
A1: Vibrate Pattern [ Pattern:0,100,100,100,100,100,100,100 ]
=-=-= Enable event =-=-=
Profile: Anon (7)
Event: Missed Call [ Caller:* ]
Enter: Anon (59)
Task: Anon (59)
A1: Profile Status [ Name:Reminder Set:On ]
=-=-= Disable event =-=-=
Profile: Unlock (39)
Event: Display Unlocked
Enter: Phone:Unlocked (50)
Task: Phone:Unlocked (50)
A1: Profile Status [ Name:Reminder Set:Off ]