- SIP doorphone with door gate relay- Power over Ethernet PoE compatible- Use with Cisco Nortel Avaya and most modern IP telephone systems- Call button calls any SIP address or any Valcom Gateway- Automatic talkback VOX operation no push to talk button needed - Includes long line extender - up to 300 meters between network interface and door speaker- Easy RJ45 plug-in connection- Stainless steel brass and vandal-resistant 11 gauge steel - Companion to IP CCTV cameras- SIP or multicast communications- LED status indicator- Weather and tamper resistant- Compatible with secure networks- Supervision with alert functions- DHCP addressable- High survivability - no server needed
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