![CyberData SIP-enabled VoIP V3 Indoor Intercom CyberData SIP-enabled VoIP V3 Indoor Intercom](https://voip.com.vn/773-large_default/cyberdata-sip-enabled-voip-v3-indoor-intercom-.jpg)
CyberData SIP-enabled VoIP V3 Indoor Intercom
Features:
► Simultaneous SIP and multicast
► Night Ringer function
► Dual speed 10/100 Mbps
► POE 802.3af
► SRST Support
► Network firmware upgradeable
► Network volume adjustable
► Network microphone sensitivity adjust
► Power-over-ethernet enabled
► Tamper sensor
► Dry contact relay