Features: 1) Min. lines: 2 - 08 2) Max. lines: 8 - 32 3) Expansion (function board) 4) Expansion (extension and CO line) 5) Multiple communication lines: 8 6) Normal transformed power 7) Switch power (optional) 8) Backup battery interface... - Update: 2008-03-13

Features: 1) Min.: 104 2) Max.: 108 3) Multiple communication line: 1 4) Normal transform power 5) Power failure transfer 6) External line caller ID 7) Auto-attendant (DISA-12s one paragraph) 8) Outgoing message recording 9) Internal m... - Update: 2007-07-12

Features: 1) CO lines: 2 - 4 2) Extension lines: 8 - 16 3) Multiple communication lines 4) Normal transformed power 5) Switch power (optional) 6) Backup battery interface (optional) 7) Power failure transfer 8) External line caller I... - Update: 2007-07-12