Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
you wish to activate Telstra 101 message bank?
Telstra Home Messages 101 is an easy to use home message service that can take messages for you when you’re away from the phone, on another call or just can’t talk. It’s available from most Telstra home phones.
There are no fees or message retrieval charges for Telstra Home Messages 101 from your home phone.
To activate Telstra Home Messages 101 Pick up your Telstra home phone. Press 1 0 1 and follow the simple instructions. To retrieve messages Whenever you hear the stutter tone, you’ll know you have a new message. Press 1 0 1 to retrieve it.
Check the link for more details
check the physical connection to verify that you are connected to the Telstra network and then you can have the 101 service working.