Callback Users sub-tab

Add Callback User

1. Go to System :: Dial Up :: Callback Users.
2. Click Add (displays dialog). 
   1. Enter Callback User.
   2. Enter Callback Number.
3. Click Save.

Edit Callback User

1. Go to System :: Dial Up :: Callback Users.
2. In Callback User column, click name.
3. Make changes as needed.
4. Click Save.

Delete Callback User

1. Go to System :: Dial Up :: Callback Users.
2. Select checkbox next to Callback User.
3. Click Delete.