I could hear the dialling tones as I waited for the call to connect.

He war-dialled the phone numbers to find vulnerable systems.

He is war-dialling to find vulnerable systems.

She speed-dialled her best friend to share the exciting news.

She is speed-dialling her mom to let her know she will be late.

She is dialling down her emotions to stay calm.

He dialled down his anger and spoke calmly.

She is dialling back her commitments to focus on her health.

He dialled back his aggressive behavior after receiving feedback.

What is the dialling code for London?