| Operating system | None (proprietary firmware) |
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| Display | Backlit graphic LCD 132 x 48, 2.41 inches |
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| Dimensions (W x D x H) | 208 x 180 x 63.4 mm (handset included) |
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| Video resolution | None (device has no camera) |
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| Line keys | 2 dual-colour LED line keys |
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| SIP accounts | 4 SIP accounts |
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| Wireless technology | Built-in dual-band 802.11a/b/g/n/ac Wi-Fi (2.4 and 5 GHz) |
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| Speaker | Full-duplex hands-free, HD audio |
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| Voice codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723, iLBC, OPUS |
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| VoIP protocols | SIP (RFC 3261) |
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| Call management | Hold, transfer, forward, park, call pickup, shared call appearance (SCA) and bridged line appearance (BLA), call waiting, off-hook auto dial, auto answer, flexible dial plan, hot desking, server redundancy and failover |
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| Phonebook | Up to 2,000 entries, downloadable via XML and LDAP |
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| Local conferencing | 5 participants |
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| Supported network protocols | TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, SNMP, 802.1x, TLS, SRTP, IPv6 |
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| Network interfaces | 2 switched 10/100 Mbps auto-negotiating Ethernet ports, no PoE |
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| Weight | 670 g |
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| Security | User and administrator passwords, MD5 and MD5-sess authentication, AES 256-bit encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot |
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