What are the "contacts" I can add to my device?

Contacts are number entries which can be accessed and dialed via the phone display screen. This tab gives access to the contacts that can be added individually to the device. They can be found in the directory of the phone once they have been added.

Add Contact	Adding a contact requires the first name, last name, phone number or extension, and the ring type for the contact. Press the to enter in this contacts information.
First Name	First name of the contact.
Last Name	Last name of the contact.
Number	The 4-digit extension or 10-digit number of the contact.
Ring Type	The ringtone selected for inbound calls from the contact number.
Action	You can edit and delete the contact line. Pressing will take you to the same page as add contact, where you can edit the existing information. Pressing will delete the contact from the list. External numbers and 4-digit extensions added via this tab are then listed in the phone’s contact list. When selected via the phone display, the number is automatically dialed.