Out

End of transmission, no reply is needed.

119

Emergency police hotline in Sri Lanka.

110

Fire services.

1990

Ambulance service.

“Over”

To signal the end of a transmission and wait for a response.

“Roger”

Confirmation that the message has been received and understood.

“Out”

To end communication, no response is expected.

112

Emergency number for police, fire, and ambulance services.

Code 1

Emergency – Immediate response required, use lights and sirens.

Code 2

Urgent but not life-threatening – No lights or sirens required.