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  1. wearyhacker

    vth5221d user setup

    Hi Damon, This video is for configuring sip. Sip is only supported from Gen 2 onwards. Whilst the v4.0 firmware for gen 1 appears to be built from the same base as the firmware for Gen 2 onwards, the sip code is actually disabled. That is the problem I am facing. I am aware of the building...
  2. wearyhacker

    vth5221d user setup

    I have some vth5221d generation 1 video intercoms that I want to setup in a master and slaves relationship. The master is setup as room number 9901 and the slaves are setup as 9901-1, 9901-2 etc. All goes well until I tray to make a call. For example calling the master from the unit with room...