2Introduction to the M3905 Call Center telephoneM3905 Call Center telephone keysThe M3905 Call Center telephone features:• Eight Programmable Line (DN)/Feature Keys (self-labeled), giving youaccess to eight different lines (DNs) or features.• Four Context Sensitive Soft Keys (self-labeled)• Six Fixed Feature keys which may be configured to fit your businessneeds (see note):— Headset (with LED indicator)*— In-Calls*— Call Supervisor*— Emergency*— Not Ready*— Make Set Busy*— Call Agent— Observe Agent— Answer Emergency— Answer Agent— Activity Code— Display QueueNote: The Headset and In-Calls Keys are required. Your network administrator canreconfigure the remaining four keys to any of the features listed above. Default keys areindicated by an asterisk. Order the optional Key Cap Kit to obtain key caps for thenon-default features. See “Additional Key Caps” on page 94.