• Phones
  • Telephones and voicemail

    Internet Protocol Telephony (IPT)

    If your phone looks like this... you are using an IPT phone.

    OpenStage 20 

    Phone OpenStage 20

    OpenStage 40

    Phone OpenStage 40

    OpenScape CP200

    OpenScape CP200 Desk Phone

    OpenScape CP400

    OpenScape CP400 Phone

    Check out the quick reference guides, video clips, and user manuals below.

  • Quick ref OpenStage 20

    Extra features OpenStage 20

    Watch the OpenScape 20 video clips
    (view the OpenStage 15 clips, which is the closest model to OpenStage 20)

    Siemens OpenStage 20 user guide
    (143 pages! Not all functions described in the guide are available at Brookes)

    Quick ref OpenStage 40

    Watch the OpenStage 40 video clips

    Siemens OpenStage 40 user guide
    (200 pages! Not all functions described in the guide are available at Brookes)