Download Phone Dialer Pro
If you need a computer application that can help you with phone calls in a business, Phone Dialer Pro is a great solution as it offers an easy to comprehend interface that will easily get memorized by you. You can track calls and you can even redial a phone number if the line was busy, automatically. The phone numbers that you have can be grouped in tabs.
You can create even speed-dial pages that can be used from every different tab that you have and they can be sorted in alphabetical order or by other means that you find convenient. If multiple users need access to the tool each of them can create his own profile with his own numbers.