Appendix D: M2317 telephone Page 443 of 504Telephones and Consoles Description, Installation, and Operationthe underside of the faceplate. The Asynchronous Data Option (ADO) circuitboard, if equipped, is mounted inside the base.KeysThe M2317 Telephone is equipped with 32 keys that are arranged as follows:Fixed keysThese are 16 keys to which a fixed function is assigned. They consist of:• 12 dial pad keys• 1 Release key• 1 Hold key• 1 Volume control key (with 2 toggle positions)• 1 Handsfree/Mute key (with associated LCD indicator)Feature keysThere are 11 programmable line/feature keys on the telephone faceplate. Eachhas an associated LCD indicator. Lines and features are assigned to these keysby service changes in the system software. A maximum of ten voice DirectoryNumbers and specific features such as, Auto Answerback, Call Waiting, DialIntercom, and Display can be assigned.Soft keysThe M2317 telephone has five LCD-labeled soft keys located immediatelybeneath the display screen. Each softkey has a seven-character-wide label onthe display screen immediately above the key. The labels change as theavailable features change. For example, a softkey could access one feature inthe idle state and a different feature in the active state.The fifth softkey “more…” is used to scroll to a second layer feature menuwhen there are more softkey-assigned features available for the activetelephone state. Pressing the “more…” key brings up the labels for theremaining functions. Softkey label positions on the display screen are fixedby the M2317 telephone firmware and cannot be changed by the user.
