JB-20 Operating Instructions Manual Brandname: JB Category: IP Phone Total Pages: 22 Table of contents ImportantSafety2Contents3WarrantyService4RedialButton5DeskMounting6Dialing7LastNumberRedial8ProgButton9MemoryDialing10DirectAudioOutput11Text12Part68ofFccRules13DoNotDisassembleThis14Customer-OwnedCoincredit15CautionChangesOr16AnIndicationofTheMaximum17Text18Text19