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Don't allow duplicate phone numbersAllowDupsPage
This option should be used at ALL times unless you are running a test or importing callbacks.
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To test a campaign you should import a set of leads that all contain the same phone number (e.g. your mobile number). This will allow you to call leads and answer them on your mobile. You can then test the screen layout and set of dispositions without annoying your customers.
Callback Date/Time FormatSetCallbackDateFormat
When importing leads you can also import a callback date with each lead. This will cause the lead to be scheduled for a call on the associated callback date.
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