The Telephone Support Allowance is a new payment of €2.50 a week for people who are getting both the Living Alone Increase and the Fuel Allowance along with their social welfare payment. It aims to help with the cost of communications and/or home alert systems.
The TSA will be paid from 4 June 2018 onwards. As this allowance will be paid automatically to people who qualify, you do not need to apply for it.
There are useful FAQs about the Telephone Support Allowance on welfare.ie.