On the phone, you must be an active listener, meaning you must acknowledge and validate what the customer says.
Oftentimes, repeating something pertinent that an individual says helps retain that information more effectively.
Set up your "Phone Number" question in a form, then choose the Data Validation setting and Regular Expression.
The validating phone number is an important point while validating an HTML form.
Text = "Not Valid phone number" End If End Sub End Class Private Sub Button1_Click_1(sender As System.