- Valcom IP Intercom - SIP doorphone with door/gate relay - For use with Cisco, Nortel, Avaya, and most modern IP telephone solutions - Call button calls any SIP address or any Valcom Gateway - Automatic talkback VOX operation - Includes long line extender - up to 300 meters - Easy, RJ45 plug in, Cat 5 or 6, LAN/WAN 10/100 - Stainless steel - For security - peer to peer or many to one - Companion to IP CCTV cameras - SIP or multicast softphone adressable - Door ajar notification feature - All call 1000's of unites with Valcom Gateway - LED Status indicator - Weather resistant and tamper-proof - Compatible with secure - Supervision with alert functions - Web-based firmware upgradeable - Web interface for control and setup - DHCP - High survivability - no servers needed