- Viking emergency phone panic button kit- Connects toa Viking 1600A series emergency phone to provide a one-way talk path to the pre-programmed number when used- Will activate the 1600A series emergency phone and light a red LED to let you know your call is connected- Receiving end will be ableto hear everything happening at the installation site, but the site will not be able to hear anything from the receiving end, this makes it a very effective security measure, as there is no other indication that the