Night Ringer Compatibility with more IP/PBX servers Dual speed 10/100 Mbps Page up to 15 paging zone groups Web-based configuration Web-based firmware upgradeable PoE 802.3af enabled (Power-over-Ethernet) Connector for external power supply Small footprint Delayed ringing Protocol: SIP RFC 3261 Compatible Ethernet I/F: 10/100 Mbps Power Input: PoE 802.3af or 48VDC Operating Temperature: -30 to 55C (-22 to 131F) Payload Types: G711 Output Signal Amplitudes: 2.0 VPP maximum Output Level: +2dBm nominal Total Harmonic Distortion: 0.5% maximum Regulatory Compliance: FCC Class A, UL 60950
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