Heinrich’s IP-WS25/T SIP Speaker is designed for outdoor/indoor environments. It allows users to remotely warn off intruders before they commit a crime, to deliver instructions during an emergency or to make general voice messages. The SIP speaker also support to play a prerecord audio file manually or automatically in response to an alarm event. Open standards support easy integration with network video, access control and VoIP (supporting SIP). IP-WS25/T is a standalone unit that can be placed almost anywhere, which supports a flexible, stable and cost-effective approach to system design.