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
This headset is a dream come true it basic operation is simple and efficient . I have not yet had time to figure out some of the more technical features like the remote lift. Just what I needed. I would buy it again