The Tonga government is to next week meet for the first time with the Public Servants Association to discuss concerns the union has been raising for several months.
It threatened industrial action this week if the Government continued to refuse to meet.
The union's grievances centre on what it says is the failure of the Government to abide by the terms of a memorandum of understanding signed to end legnthy public sector strikes two years ago.
It has questioned the government's long term commitment to pay rises given at that time and has raised objections to the way widespread redundancies were implemented in the public service last year.
But the PSA says it is grateful for the chance to compromise with the Government and avoid any industrial action.