| Attribute name | Attribute value |
|---|---|
| Display resolution | 128 x 32 pixels |
| Certification | FCC, CE, RCM, ITU-T K.21, T1, E1 |
| Security algorithms | 802.1x RADIUS,HTTPS,SRTP,SSH,SSL/TLS |
| Supported network protocols | TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, PPP, Frame Relay (pending), IPv6, OpenVPN |
| Modulation | DTMF |
| Authentication method | RFC2833, SIP INFO |
| Control display unit | Y |
| STUN server | Y |
| Blacklist | Y |
| Differentiated services (DiffServ) supported | Y |