| General |
| Status | R4 |
| Product Type | VoIP phone |
| Body Colour | Charcoal |
| Phone Features |
| Call Services | Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
| Dialer Type | Keypad |
| Dialer Location | Base |
| Conference Call Capability | Yes |
| Speakerphone | Yes (digital duplex) |
| Function Buttons | Speakerphone button, transfer button, mute button, hold button, auto redial button |
| Volume Control | Yes |
| Ringer Control | Yes |
| Indicators | Voice message waiting indicator |
| Firmware Upgradable | Yes |
| Additional Features | Music on hold, built-in web server |
| IP Telephony |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, RTCP |
| Voice Codecs | G.729, G.729a, G.729ab, G.711u, G.711a |
| IP Address Assignment | DHCP, static |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | TFTP, DNS, RTCP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
| Compatible Software | Cisco Unified Communications Manager 7.1 or later |
| Voice Features | Comfort noise generation (CNG), voice activity detection (VAD) |
| Display |
| Type | LCD display - monochrome |
| Display Location | Base |
| Line Qty | 2 |
| Display Resolution | 128 x 32 pixels |
| Display Languages | Danish, Hebrew, Hungarian, Czech, Croatian, Slovenian, Thai, Slovak, Brazilian Portuguese, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Arabic, Bulgarian, Latvian, Lithuanian, Estonian, Serbian, Romanian, Catalan, Japanese, Chinese, Korean |
| Miscellaneous |
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable, table-top |
| Also Included | 4 MB |
| Compliant Standards | VCCI Class B ITE, CISPR 22 Class B, CISPR 24, EN 60950, EN 61000-3-2, IEC 60950, EN 61000-3-3, EN55024, UL 60950, CSA 22.2 No. 60950, EN55022 Class B, ICES-003 Class B, AS/ACIF S004, CS-03, FCC CFR47 Part 68, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950 |
| Dimensions & Weight (Base) |
| Width | 15 cm |
| Depth | 20.5 cm |
| Height | 2.35 cm |
| Weight | 594.3 g |
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