Sony Ericsson Coconut

Find "Call barring"

Press the menu icon.

Find "Call barring"

Press Settings.

Find "Call barring"

Press Call settings.

Find "Call barring"

Press Call barring.

Select barring option

Press one of the following options:
All outgoing

Select barring option

Outgoing international

Select barring option

Outgoing intl roaming

Select barring option

All incoming

Select barring option

Incoming intl roaming

Select setting

Key in your barring password (default is 0000).
Press Enable.

Exit

Press the Home key to return to standby mode.