Toronto's more than 20,000 indoor workers will begin a work-to-rule campaign Monday after failing to reach a contract settlement over the weekend.

CUPE local 79 president Tim Maguire says there will be no reduction in services, however, the workers will start taking the breaks they're entitled to, and only do the work outlined in their job descriptions.

The inside workers include people employed at childcare centres and social services.

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Maguire says he's disappointed by the slowing pace at the bargaining table, but hopes negotiations with the city will resume Monday morning.

The workers are now in a legal strike position, while the city is in a legal position to lock them out, though there's been no immediate threat of such action from either side.

Toronto police, fire services, long-term care homes, as well as Toronto Community Housing properties and the Toronto Transit Commission, are not affected by any labour disruption.