Block Calls from a Phone Number:

1. Tap "Apps" while viewing the home screen
2. Launch "People"
3. Tap the name of the contact you wish to block
4. Press "Menu" and tap "Add calls to voicemail"

Unblock a Phone Number:

1. Launch the "People" app
2. Tap the name of the contact you want to unblock
3. Press the "Menu" key and clear the "All calls to voicemail" check box

Forward All Calls (Unconditional):

1. Tap "Phone" while on the home screen
2. Press "Menu" and tap "Settings"
3. Go to "Voice call" > "Call forwarding"
4. Tap "Always forward"

Forward Some Calls Only (Conditional):

1. Launch the "Phone" app
2. Press "Menu" and tap "Settings"
3. Tap "Voice call" > "Call forwarding"
4. Choose to "Forward when busy", "Forward if unanswered" or "Forward if unreachable"

Cancel Call Forwarding:

1. Launch "Phone" and press "Menu"
2. Tap "Settings" > "Voice call"
3. Tap "Call forwarding"
4. Tap "Always forward" and press "Disable"

View and Reset the Call Log:

1. Launch "Phone"
2. Tap the "Clock" icon to view the call history screen
3. To reset the call log, tap "Menu" > "Clear call log"
4. Select the call log entries you want to remove and tap "OK" to confirm