Cisco IP Phone 8851 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines - charcoal - refurbished More information: General | Product Type | VoIP phone |  | Body Material | ABS plastic | | Body Colour | Charcoal | | Compatible Platforms | Cisco Business Edition 6000 | Miscellaneous | Compliant Standards | CISPR 22 Class B, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, EN55022 Class B, ICES-003 Class B, AS/ACIF S004, RSS-210, RSS-102, FCC Part 68, ADA, CS-03, UL 60950-1 Second Edition, EN 60601-1-2, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950, HAC (Hearing Aid Compatible), CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, EN 300 328, EN 301 489-1, EN 301 489-17 | | Connections | Headset jack / RJ-9 ¦ Electronic hook switch (EHS) ¦ USB | | Pricing Type | Refurbished | | Placing / Mounting | Wall-mountable, table mount | | Hearing Aid Compatible | Yes | Display | Type | LCD display - colour | | Diagonal Size | 5" | | Colour Depth | 24-bit (16.7 million colours) | | Display Resolution | 800 x 480 pixels | | Display Location | Base | | 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 | | Backlit | Yes | Phone Features | Additional Features | Music on hold, BLF status lamps, compatible with Bluetooth headsets | | Dialer Type | Keypad | | Dialer Location | Base | | Conference Call Capability | Yes | | Indicators | Voice message waiting indicator, speakerphone indicator, headset | | Speakerphone | Yes (digital duplex) | | Intercom | Yes | | Menu Operation | Yes | | Additional Functions | Call timer, Intercom | | Firmware Upgradable | Yes | | Programmable Buttons Qty | 5 | | Key Expansion Module Max Qty | 2 | | Bluetooth Profiles | Hands-Free Profile (HFP), Phonebook Access Profile (PBAP) | | Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability | | Wireless Interface Provided | Bluetooth | Dimensions & Weight (Base) | Width | 25.734 cm | | Depth | 4 cm | | Height | 22.91 cm | | Weight | 1.19 kg | IP Telephony | Network Protocols | IP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, DNS, HTTPS, SRTP, Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP | | Main Features | Multiple VoIP protocol support, integrated Ethernet switch | | Voice Codecs | G.722, G.729a, G.711u, G.711a, iLBC, iSAC | | Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p | | IP Address Assignment | DHCP, static | | Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T | | VoIP Protocols | SIP, RTCP, RTP, SRTP, SDP | | Compatible Software | Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later | | Lines Supported | 5 lines | | Security | IEEE 802.1X, TLS | | Network Features | Class 3 PoE | | Power Over Ethernet (PoE) Support | Yes | | VoIP | Yes |
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