CyberData V3 SIP-enabled IP Office Ringer - Ringer amplifier for VoIP phone

CyberData's V3 SIP-enabled IP office ringer is a Power-over-Ethernet (PoE 802.3af) and Voice-over-IP (VoIP) notification device that easily connects into existing local area networks (LANs) with a single cable connection. The SIP office ringer provides an audible ring indication (user-uploadable) when part of a ring group. The SIP office ringer also supports direct SIP voice paging and priority-based Multicast broadcasts.