CyberData 011216 V3 SIP-enabled IP Indoor Office Ringer (with Night Ringer) Type: Accessories Dimensions: 5 x 5 x 2.5 (H x W x D) Specifications: Protocol: SIP RFC 3261 Compatible Ethernet I/F: 10/100 Mbps Power Input: PoE 802.3af or +12 to +24 VDC at 1000 mA (500 mA minimum) Operating Temperature: -10 degrees C to 50 degrees C(14 degrees F to 122 degrees F) Payload Types: G711 A-Law and u-Law Regulatory Compliance: FCC Class A, UL 60950
