A range of User Guides are available below for our products. Adobe Reader is available for download here.

DK Series Telephones for TD-824i and TD-1648i Digital Telephone SystemsDK Series telephone user guides for operating instructions on the TD-824i and TD-1648i telephone systems. Includes DK1, DK2, DK3 series phones.
TD-824i & TD-1648i Single Line Telephone User GuideTD-824i & TD-1648i Single Line Telephone User Guide
TD-824i & TD-1648i Features and Services ManualTD-824i & TD-1648i Features and Services Manual- Alphabetical order of features including description, conditions and programming parameters.
TD-824i Installation ManualTD-824i Installation Manual
TD Series & TMS Voice Mail Plug and Play NotesProvides information regarding programming the TD Series telephone system and TMS based voice mail.
TD-1648i Installation ManualTD-1648i Installation Manual