Manx Telecom says it's aware of issues affecting the 111 service.
The company says its engineers are urgently investigating the cause.
MT has apologised for the disruption and is thanking people for their patience whilst the problem is being resolved.
The organisation adds to keep an eye on its social media channels for further updates.
Gliding club applies be dissolved
Weather threatens Friday Liverpool sailings
Food hygiene workshops planned ahead of new rating system
24-hour silence challenge in memory of late husband
Manx cricketer wins Player of the Month award
Commissioners says approval for new social housing ‘very welcome’
Works get underway at glen near Kirk Michael