https://www.cyberdata.net/
The CyberData V3 VoIP Paging Server enables users through a single SIP phone extension, to access multiple zones for paging in a VoIP network and to connect to legacy analog overhead paging systems.
The Syn-Apps enabled VoIP V2 Ceiling Speaker is for use with the Syn-Apps SA-Announce notification system. SA-Announce provides text and audio-based paging and mass notification services in real-time or scheduled intervals.
The SIP-enabled IP Call Button is a Power over Ethernet (PoE 802.3af) device that can be mounted under a desk or in a discrete location. If an event takes place, the user depresses the button.
The CyberData Clock Kit enables the CyberData V2 Ceiling Speaker for wall mounting.