เบอร์โทรศัพท์แต่ละเบอร์ต้องไม่ซ้ำกัน พูดว่าอย่างไร

[รัชนี]

1. Each one has own telephone number and it has not to be the same as other.

or 2. Each telephone number has to be different, not the same.

[คุณแม่ออโต้]

Each phone number is unique.

[MaMa n'JaY]

โห ... ชัดเจนเลยอะ

[MaMa n'JaY]

Each telephone number is different from each other.

Each telephone number could not be repeated with each other.

 

ใช่ป่าวหว่า .... 555+ ขอผู้รู้ด้วยค่า

[Pat]

Each telephone number is different from the other.

Each telephone number could not be the same as the other.

 

The number can be repeat or reuse if someone's disconnected that number. If that number is still in use then no one else can have/use that number.