| SIP Compliant and Protocols | SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record and SRV), DHCP (client only), PPPoE, TFTP, NTP, Telnet |
| Networking Interfaces | Dual 10/100Mbps Ethernet ports with integrated PoE |
| Graphic Display | 128x32 pixel graphic LCD with backlight |
| Feature keys | 2 line indicators and Mute button with dual-color LED, 3 XML dynamic context sensitive soft keys, 5 navigation/menu/volume keys, 8 dedicated function keys for: HOLD, SPEAKERPHONE, SEND/REDIAL, MUTE, TRANSFER, HEADSET, CONFERENCE and MESSAGE (with message indicator) |
| Voice Codecs | G.711 (a/u-law), G.723.1, G.729A/B, G.726, GSM, iLBC, and G.722 (wideband) |
| Telephony Features | Hold, Transfer, Forward, 3-way Conference, Dowloadable Phone Book (XML, LDAP, up to 200 items), XML Customization of Screen, Call Waiting, Call Log, Off-Hook Auto dial , Auto Answer, Click-To-Dial, Dowloadable Ringtones, Server Redundancy and Fail-over Support |
| Headset Jack | RJ9 Headset jack |
| QoS | Layer 2 (802.1Q, 801.2p) and Layer 3 (ToS, DiffServ, MPLS) QoS |
| Security | User and administrator level passwords, MD5 and MD5- sess based authentication, AES based secure configuration file, SRTP |
| Multi-language | English, Spanish, French, German, etc |
| Upgrade/Provisioning | Firmware upgrade via TFTP/HTTP, mass deployment using central secure provisioning file |
| Power | Universal power adapter (Input: 100-240VAC 50-60Hz, Output: +5VDC, 1.2A, UL certified) included, integrated Power -over-Ethernet 802.3af |
| Physical | 195mm(W) x 201.7mm (L) x 77.5mm (H), 0.9kg |
| Temperature/Humidity | 32-104°F/ 0-40 °C, 10-90% (non-condensing) |
| Compliance | FCC,CE,C-Tick |