Using call waiting on my mobile phone
Turning the screen lock on my mobile phone on or off
List of display icons
Guide to phone keys and sockets on my mobile phone
Writing text on my mobile phone
To make a video call both phones need to support 3G and be connected to a 3G network.
Make a voice call and ask the recipient if the other phone supports 3G and if it's connected to a 3G network.
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