Easily call any Massma or Tata Hughes and Intercom numbers from your Mobile Phone. How to use: 1. Open the App for the first time and dial any 4 digit number. 2. Click on the GREEN COLOR to call 3. It will ask for Call Permissions, click YES. 4. The app will automatically close to save changes. 5. Reopen the App and Dial any Hughes (4 Digit) number It will automatically call the landline number. Enjoy. Please rate 5 Stars ..👍👍👍👍👍