SMC SMCDSP-205 TigerVoIP Desktop SIP Phone. Management protocols: WBMI (HTTP), Telnet, Volume control: Digital. Display: LCD. Supported data transfer rates: 10/100 Mbps, Networking standards: 802.1Q. Security algorithms supported: HTTP 1.1; MD5 (SIP) (RFC2069/RFC2617). Colour of product: Black