I actually would like this if the caller put in an 'offer' of the amount of time (not mandatory 15s, or hangup...just a guestimate). But, I probably only use/li

I actually would like this if the caller put in an 'offer' of the amount of time (not mandatory 15s, or hangup...just a guestimate). But, I probably only use/like this if it was available without a separate app.