| Operating system | None (proprietary firmware) |
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| Display | Colour TFT LCD 480 x 272, 4.3 inches |
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| Video resolution | None (device has no camera) |
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| Line keys | 12 dual-colour line keys |
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| SIP accounts | 6 SIP accounts |
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| Wireless technology | Built-in Bluetooth |
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| Power consumption | 5.4 W maximum without expansion module, 9.2 W with 4 daisy-chained GXP2200EXT modules |
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| Speaker | HD speaker, wideband audio |
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| Voice codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wideband), G.723.1, iLBC, OPUS |
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| VoIP protocols | SIP (RFC 3261) |
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| Call management | Hold, transfer, call forwarding, call park, call pickup, shared call (SCA) and shared lines (BLA), call waiting, XML screen customisation, off-hook auto dial, 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, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, CDP/SNMP/RTCP-XR |
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| Network interfaces | 2 switched 10/100/1000 Mbps auto-sensing Gigabit network ports, built-in PoE |
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| Weight | 980 g |
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| Security | User and administrator passwords, MD5 and MD5-sess authentication, AES 256-bit encrypted configuration file, TLS, SRTP, 802.1x network access control |
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| Programmable keys | 5 XML programmable context-sensitive keys and 48 customisable programmable keys |
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