• Cisco 6851 4-line SIP deskphone with backlit grayscale display
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Cisco

Cisco CP-6851-3PW-AU-K9 | IP Phone 6800 4-Line SIP Desk Phone, AU/NZ Adapter

CP-6851-3PW-AU-K9

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Description

The Cisco IP Phone 6851 is a 4-line SIP desk phone from the IP Phone 6800 Series, running Multiplatform (3PCC) firmware. It suits business desks moving from analog or digital telephony to IP on a supported SIP call control platform or hosted service such as Cisco Webex Calling, BroadWorks, Asterisk or another approved UCaaS. The four lines and optional key expansion module suit reception, executive-assistant and call-handling roles.

The phone has a 3.5-inch backlit greyscale display at 396 x 162 pixels, two 10/100/1000BASE-T RJ-45 ports (one for the LAN and one for a downstream PC), a wideband handset and a full-duplex speakerphone. Headsets connect through the RJ-9 port, with electronic hookswitch support via the auxiliary port. This SKU is supplied for Australia and New Zealand with the AU/NZ 5V DC power adapter, and the phone also runs on IEEE 802.3af PoE Class 2 with a maximum draw of 6.49 W. No Cisco licence is required for the phone itself, and any call control or service subscription comes from your platform provider.

It supports one CP-68KEM-3PCC= Key Expansion Module, which the phone powers, giving 14 buttons or 28 via page keys. It also works with the CP-6800-WMK= wall mount kit, the CP-6800-FS= spare foot stand and Cisco headsets.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Traditional telephony-style interface with audio path, mute, select, line and message waiting indicators
- Programmable line keys that users or administrators can customise
- Interoperability tested and certified with Cisco Webex Calling, Webex Calling Carrier and Cisco BroadWorks
- Interoperability tested with Asterisk
- Zero Touch Provisioning plus auto-provisioning via TFTP, HTTP or HTTPS
- Remote Configuration supported without a separate RC SKU
- Power Save Mode, which also applies to an attached key expansion module
- Multicast paging, BLF, shared line appearance, LDAP and XML directory
- Cisco Problem Reporting Tool with local and remote initiation

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Lines: 4 SIP line registrations
- Display: 3.5 in (9 cm) backlit greyscale, 396 x 162 pixels
- Ethernet: 2 x 10/100/1000BASE-T RJ-45 ports (LAN and PC)
- PoE: IEEE 802.3af Class 2, maximum 6.49 W
- Power adapter: AU/NZ 5V DC, 2A
- Key Expansion Module: 1 x CP-68KEM-3PCC (14 buttons, 28 with page keys)
- Handset: narrowband or wideband audio, hearing-aid compatible
- Headset: analog wideband RJ-9 port, electronic hookswitch via auxiliary port
- Speakerphone: full-duplex
- Audio codecs: G.711 (A-law and u-law), G.722, G.722.2, G.729ab, iLBC, OPUS
- Security: 802.1X, SRTP (AES-128/256), TLS 1.2, encrypted configuration files, HTTPS provisioning
- Network protocols: SIP (RFC 3261), IPv4, IPv6, DHCP, LLDP, CDP, 802.1Q/p QoS, STUN
- Dimensions (H x W x D): 207 x 265 x 33 mm excluding foot stand
- Weight: 615 g excluding foot stand, handset and package
- Casing: polycarbonate ABS textured plastic
- Operating temperature: 0 to 40 C
- Humidity: 10% to 90% non-condensing (operating)
- Compliance: CE, AS/NZS 60950, AS/NZS CISPR32 Class B, AS/ACIF S004/S040, NZ PTC 220, IEEE 802.3af

FAQs

Q: Does this phone need a Cisco licence?
A: No Cisco licence is required for the phone itself. It runs Multiplatform (3PCC) firmware and needs a SIP call control platform such as Cisco Webex Calling, BroadWorks, Asterisk or another approved UCaaS. Any service subscription is bought from that platform provider.

Q: How is the phone powered?
A: It runs on IEEE 802.3af PoE Class 2, drawing no more than 6.49 W. This SKU is the AU/NZ power adapter variant, supplied for non-PoE deployments with a 5V DC, 2A adapter.

Q: Can I add a key expansion module?
A: Yes. The phone supports one CP-68KEM-3PCC= Key Expansion Module, which the phone powers. It provides 14 physical buttons, or 28 using page keys.

Q: Which call control platforms does it work with?
A: It is interoperability tested and certified with Cisco Webex Calling, Webex Calling Carrier and Cisco BroadWorks (R19sp1 to R23sp1). It is also tested with Asterisk 1.8 and later, and works with other approved Multiplatform platforms.

Q: Can it be wall mounted?
A: Yes, using the optional CP-6800-WMK= wall mount kit. A spare foot stand is available as CP-6800-FS=.

Q: How does this SKU differ from other 6851 variants?
A: This SKU is the AU/NZ power adapter variant of the 6851 with Multiplatform firmware. The phone hardware and features are the same, only the country-specific power adapter differs.

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