The VIP-801A Networked Page Zone Extender enables voice access to one zone of one-way paging over an IP-based LANWAN. This allows page zone extension anywhere on the network. Multiple VIP-801 Networked Page Zone Extenders can be used on the same network to create very large and distributed public address systems. The VIP-801 can be programmed as a SIP Session Initiation Protocol device for connectivity to virtually any Voice over IP VoIP telephone system.Features. Color - Black. HTTP interface for status configuration. 1 Audio Output. 1 Relay Contact Closure Output. RJ-45 jack for network connection. Front panel activity LED. Provides audio for up to 150 Valcom one- way amplified speaker assemblies. Output control contact closure provided during paging output. Compatible with 25 or 70 Volt amplifiers. 2.5 mm. jack for external DC power optional. Power over Ethernet 802.3af compatible