EVCS – Fire Telephone Red

All Technoswitch Emergency Voice Communications Systems (EVCS) are designed to comply fully with the requirements of BS 5839-9:2011 for use as a Fire Telephone system (FT), Disabled Refuge system (DRS), or as a combined system when both Fire Telephones and Disabled Refuge call points are required.

An EVCS is a fixed, secure, bi-directional, full-duplex voice communication system to assist firefighters during emergencies in high-rise buildings or large sites where radio communication cannot be guaranteed to work due to interference from the fire corona.

The VS-EVS-OSA-R is a Type A Outstation as defined in BS 5839-9:2011, and can be used as a Fire Telephone or a Disabled Refuge call point.

The rugged red telephone handset is housed in a signal red steel box with a high contrast white screen print on the push door.

The red bezel allows the outstation to be flushed into a wall reducing the need to stock flush and surface variants.

Download the Data Sheet for Technical Specifications and Ordering Information.

VS-EVS-OSA-R Technoswitch Type A Fire Telephone Handset, Signal Red, Surface Mount
VS-EVS-OBZ-R Flush mounting Red bezel for VS-EVS-OSA-R



Fire Telephone Red Datasheet


EVCS Brochure

User Guides


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