Key Note HD Voice 6 Soft keys programmable USB (1A) Port for Charging Support SIP 2.0 (RFC3261) and correlative RFCs SIP support 1 SIP servers, and backup SIP proxy servers Supports SIP UDP / TCP/ TLS SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer / IP Call Multi languages displayed (web)
Package Contents: H3 phone Handset with cord