Power On: Press and hold the end key for 3-5 seconds until you hear the start-up tune.
Power Off: Press and hold the end key for 3-5 seconds until the power-off animation begins.
In order to unlock the phone press and hold the left soft key for 5 seconds.
To lock the phone, press the left soft key twice.
Go to Settings > Profiles > then scroll up or down to General and press the left soft key for Options, then select Customise, scroll down to Keypad, press the left soft key twice to edit the options and then choose either Tone, Click or Silent, and select it with the left soft key, press the left soft key for keypad again, select Save and press the left soft key.
If one of the emergency numbers has a voicemail system, the phone will assume that the call has been answered and will no longer call any more of the emergency numbers.