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Answer machine 43
For compatibility with BT 1571 
(or another voicemail service) 
Make sure the answer delay is 
set for your answer machine 
to answer before the voicemail 
service. Therefore, the answer 
delay should be less than on 
your voicemail service. For BT 
1571 do not set the answer 
delay to more than 5 rings.
3 rings. If there are no new messages it will answer 
after 6 rings. That way, you won’t get charged for 
the call if you haven’t got any messages to check. 
1. Press 
. Press   until you see Answ Machine, 
then press 
. 
2. Press 
 until you get to Answ Setting, then 
press 
. 
3. When you see Ring delay, press 
. 
4. Press 
 and   to get to the number of rings you 
want and press 
. 
Call screening
You have two Call screening options on the BT3570: 
Handset screening (Hs) and Base screening (Bs). 
When Base screening is switched on, you’ll hear the 
caller leaving a message through the base. When 
Handset screening is on, you’ll hear them through 
the handset.