You can also call the delivery ward to consult a midwife. The midwife will listen to you and will give you advice based on the situation on whether it is time to come in, or if it is better for you to stay home a while longer.
The delivery ward usually wants you to call ahead, even if you are sure that it’s time. That way, they can be prepared for your arrival. Your maternity clinic will tell you which delivery ward you should contact.
You can always call 1177 if you don’t know which delivery ward to contact.