| Dimensions (WxDxH) | 5.28 x 3.94 x 1.1" |
| Security algorithms | AES, HTTPS, SHA-384, SHA-512, SRTP, TLS |
| Supported network protocols | SIP v1 (RFC2543), v2 (RFC3261), SNTP/NTP, VLAN (802.1Q and 802.1P), 802.1x, LLDP, STUN, UDP/TCP/TLS |
| Management protocols | TFTP/FTP/HTTP/HTTPS/RPS |
| Maximum indoor range | 1968.5" |
| Maximum outdoor range | 11811" |
| Ethernet LAN data rate supported (max) | 100 Mbit/s |
| User access level | Y |
| Number of VoIP accounts | 250 |
| Anonymous call | Y |
| Anonymous call rejection | Y |
| Integrated voicemail | Y |
| Frequency range (EU) | 1880 - 1900 MHz |
| Frequency range (US) | 1920 - 1930 MHz |
| Keypad lock | Y |
| Number of handsets supported (max) | 250 |
| Number of parallel conferences | 3 |
| Hearing aid compatibility | Y |
| Over the Air Updates (OTA) | Y |
| Emergency call | Y |
| Number of carrier frequencies | 2 |
| Number of bases supported (max) | 60 |
| Wireless synchronization | Y |
| Dual-Tone Multi-Frequency (DTMF) | Y |
| XML browser | Y |
| IPUI registration | Y |
| Auto-provision | Y |
| Phonebook capacity (per handset) | 100 entries |
| Number of simultaneous calls (max) | 100 |
| Number of WB calls per base supported (max) | 8 |
| Number of NB calls per base supported (max) | 8 |
| Number of simultaneous calls per handset | 2 |
| Remote phonebook | Y |
| Switching between calls | Y |
| Mute function | Y |
| Message Waiting Indication (MWI) function | Y |
| Phonebook search/import/export function | Y |
| Reset function | Y |
| Shared Call Appearance (SCA) | Y |
| System log export | Y |