Specifications: Technical Information
Device Supported:
IP Phone
Power Description
Input Voltage:
110 V AC
220 V AC
Input Voltage Range:
100 V AC - 240 V AC
Frequency:
50 Hz
60 Hz
Output Voltage:
48 V DC
Maximum Output Current:
917 mA
Miscellaneous
Compatibility:
Cisco Unified IP Phones:
8961
9951
9971
Protocols: LLDP-MED for VLAN discovery; IPv4; TCP (RFC 793) in SSL/TLS; Domain Name System (DNS): A records (RFC 1706), SRV records (RFC 2782), RTP (RFC 1889, 1890), RFC 5966
Security: HTTPS secure provisioning; Local Access Interface: IVR password