The Joint Emergency Services Control Centre, aimed at improving response times and making efficiencies, went live yesterday.
Operators from the Fire and Rescue Service and St John Ambulance and Rescue Service, who have been jointly working from the fire station since October, will now be situated in the new control centre at the police station.
They will be joined by existing Guernsey Police operators and newly-recruited JESCC staff.
Control centre manager Terry Coule, pictured, said the switch-over went as planned. 'We have risk-assessed everything and each system is backed up.'
Mr Coule said new staff have undergone training to deal with a call to any of the services and to use the computer system.
Operators will also be able to offer advice to the caller while a unit is dispatched.
'It is about making the maximum and most effective use of services,' he said.