Let’s take a look at the phone from other angles.

6  Panasonic VS3 Mobile Phone Review

The top of the phone

7  Panasonic VS3 Mobile Phone Review

The bottom of the phone

 

8  Panasonic VS3 Mobile Phone Review

A view from the left side

 

9  Panasonic VS3 Mobile Phone Review

A view from the right side

 

10  Panasonic VS3 Mobile Phone Review

This button triggers a mechanism that flips open the phone.
This is termed by Panasonic as "One Push Auto Open"