What words or phrases do you speka when you speak on telephone? ответ

When I speak to each other (It's like teathers, and etc.), I usually use official style of speaking.

I usually say "Hello", "Goodbye" or "See you later".

But when I speak with my parents, friends and etc.,

I always use No formal style of speaking,

It's like "Hi", "Bye" and etc.

Удачи.