Call Barring:

NOTE: You can set your ZTE Concord II to prevent certain types of phone calls from connecting to your device. To use this feature:

  1. Tap the "Phone" icon while viewing a home screen
  2. Press "Menu" and tap "Settings"
  3. Tap "Call Barring Settings"
  4. Mark the check boxes associated with the desired types of calls you wish to bar, such as "All outgoing", "All Incoming", "Incoming when roaming" etc.

Forwarding All Calls (Unconditional):

  1. Tap "Phone" from the home screen
  2. Tap the "Call Log" tab
  3. Press "Menu" and tap "Settings"
  4. Scroll to and tap "Call forwarding"
  5. Tap "Always forward" and type in the phone number you wish to forward your calls to
  6. Tap "Enable" and you should be able to see the forwarding number right under "Always Forward"

Forwarding Some Calls Only (Conditional):

  1. Tap "Phone" while on the home screen
  2. Go to the "Call Log" tab
  3. Press the "Menu" key and tap "Settings"
  4. Swipe to and tap "Call forwarding"
  5. Select to "Forward when busy", "Forward when unanswered" or "Forward when unreachable"
  6. Type in the phone number you wish to forward your calls to
  7. Tap "Update"

Cancelling Call Forwarding:

  1. Launch the "Phone" app
  2. From the "Call log" tab, press the "Menu" key
  3. Tap "Settings" > "Call forwarding"
  4. Tap "Always forward" > "Disable"

Viewing and Resetting the Call Log History:

  1. From any home screen, tap "Phone"
  2. Access the "Call log" tab. Here you can view the call log history
  3. To reset the call log, first press the "Menu" button
  4. Tap "Delete call log"
  5. Under "Delete call log", select to delete "All calls", "Incoming calls", "Outgoing calls" and / or "Missed calls"
  6. Mark the check box associated with the desired options and press "OK" twice to confirm and reset the call log

Setting the Length of Touch Tones (DTMF):

  1. Launch the "Phone" application
  2. Press "Menu"
  3. Tap "Settings" > "DTMF tones"
  4. Set the touch tones' length to be either "Normal" or "Long"

See More: ZTE Concord II (T-Mobile): Barring / Forwarding Calls; Manage the Call Log