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Cisco CP-6851-3PW-AU-K9= IP Phone 6851 Multiplatform, 4 Lines, Gigabit, PoE Class 2, AU Power Adapter

Price:

$ 345.76


Cisco CP-6851-3PCC-K9= IP Phone 6851 Multiplatform, 4 Lines, Gigabit, PoE Class 2
Cisco CP-6851-3PCC-K9= IP Phone 6851 Multiplatform, 4 Lines, Gigabit, PoE Class 2
$ 312.76
$ 312.76
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Cisco CP-6861-3PW-AU-K9= IP Phone 6861 Multiplatform, 4 Lines, Wi-Fi, Adapter Powered, AU Power Adapter
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Cisco CP-6851-3PW-AU-K9= IP Phone 6851 Multiplatform, 4 Lines, Gigabit, PoE Class 2, AU Power Adapter

https://arcip.com.au/web/image/product.template/12449/image_1920?unique=6c40ae0

Cisco CP-6851-3PW-AU-K9= IP Phone 6851 with Multiplatform Phone firmware with Australia/New Zealand power adapter. For Cisco Webex Calling, Webex Calling Carrier, Cisco BroadWorks and approved UCaaS platforms. 4 SIP lines, 396 x 162 greyscale, white backlit display, narrowband or wideband, RJ-9 handset, RJ-9 headset jack, full-duplex speakerphone. Network: 10/100/1000BASE-T, two RJ-45 ports (LAN and PC). Power: IEEE 802.3af PoE Class 2, no more than 6.49 W; or 5V DC adapter (2A, 5V DC input). Cisco end-of-sale date 28 October 2026; successor Desk Phone 9841. Genuine Cisco from ARC IP Networks, a Cisco Registered Partner.

$ 345.76 345.76 AUD $ 345.76 incl. GST

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Cisco CP-6851-3PW-AU-K9= at a glance

The Cisco CP-6851-3PW-AU-K9= is the Cisco IP Phone 6851 with Multiplatform Phone (MPP) firmware with Australia/New Zealand power adapter, for Cisco Webex Calling, BroadWorks and approved UCaaS platforms. It supports 4 SIP lines with a 396 x 162 greyscale display; it runs on 802.3af PoE Class 2 and has a 10/100/1000 PC port. Cisco has announced end-of-sale, with a last order date of 28 October 2026.

ARC IP Networks is a Cisco Registered Partner in Australia. We supply the genuine Cisco CP-6851-3PW-AU-K9= through Cisco's authorised Australian distribution, with a GST tax invoice on every order.

Lines4 SIP lines
Ethernet10/100/1000, PC port
PowerPoE Class 2, 6.49 W max
FirmwareMPP: Webex Calling, BroadWorks

Best for

  • Busy desks and receptionists on Webex Calling or BroadWorks
  • Users needing Gigabit to the PC
  • Adding a key expansion module for line monitoring

Key features

4 lines (SIP registrations) on programmable line keys.

White-backlit greyscale display, 396 x 162 pixels, with scrollable access to features and XML applications.

Handset: narrowband or wideband, RJ-9; all 6800 Series handsets are hearing-aid compatible.

Wideband-capable analog RJ-9 headset jack and full-duplex speakerphone.

Electronic hookswitch headset support via the auxiliary port.

Supports one CP-68KEM-3PCC= Key Expansion Module for 28 extra programmable keys.

Hold/resume, transfer, conference, messaging and directory keys.

Network: 10/100/1000BASE-T, two RJ-45 ports (LAN and PC).

Power: IEEE 802.3af PoE Class 2, no more than 6.49 W; or 5V DC adapter (2A, 5V DC input).

Multiplatform firmware certified for Cisco Webex Calling, Webex Calling Carrier, Cisco BroadWorks and Metaswitch; tested with Asterisk.

Cisco CP-6851-3PW-AU-K9= specifications

Cisco CP-6851-3PW-AU-K9= technical specifications
SpecificationValue
Display and keys
Display396 x 162 greyscale, white backlit
Lines4 (SIP registrations)
KeysProgrammable line keys, softkeys, hold/resume, transfer, conference, messaging, directory
Audio
HandsetNarrowband or wideband, RJ-9; hearing-aid compatible
HeadsetWideband RJ-9 analog jack; electronic hookswitch via AUX port
SpeakerphoneFull-duplex
CodecsG.711 (A-law and u-law), G.722, G.722.2, G.729ab, iLBC, OPUS
Network and power
Network10/100/1000BASE-T, two RJ-45 ports (LAN and PC)
PowerIEEE 802.3af PoE Class 2, no more than 6.49 W; or 5V DC adapter (2A, 5V DC input)
Platforms
CertifiedCisco Webex Calling, Webex Calling Carrier, Cisco BroadWorks, Metaswitch 9.3
TestedAsterisk (1.8+)
ProtocolSIP
LicenceCovered by the Cisco End User License Agreement
Physical and environment
In the boxPhone with Australia/New Zealand power adapter
Dimensions (H x W x D)207 x 265 x 33 mm (excluding foot stand)
Foot standSingle position, removable for wall mounting
Operating temperature0 to 40°C
Lifecycle
End-of-sale date28 October 2026
Last ship date26 January 2027
Last date of support31 October 2031
Successor named by CiscoCisco Desk Phone 9841

Figures from Cisco's official data sheet.

The Cisco CP-6851-3PW-AU-K9= in depth

The Cisco IP Phone 6851

The 6851 is a 4-line member of Cisco's IP Phone 6800 Series with Multiplatform Phone firmware, designed for Cisco Webex Calling, Webex Calling Carrier, Cisco BroadWorks and approved UCaaS platforms.

Power and network

Network: 10/100/1000BASE-T, two RJ-45 ports (LAN and PC). Power: IEEE 802.3af PoE Class 2, no more than 6.49 W; or 5V DC adapter (2A, 5V DC input).

Lifecycle

Cisco's end-of-sale date for the 6851 was 28 October 2026, with support until 31 October 2031. Cisco names the Cisco Desk Phone 9841 as the successor.

Frequently asked questions

Straight answers about the Cisco CP-6851-3PW-AU-K9= from the ARC IP Networks team. Last reviewed October 2026.

It runs Cisco Multiplatform Phone (MPP) firmware, certified for Cisco Webex Calling, Webex Calling Carrier, Cisco BroadWorks and Metaswitch, and tested with Asterisk 1.8 and later. It is not a Cisco Unified CM phone.

Yes. It is an IEEE 802.3af PoE Class 2 device using no more than 6.49 W, and can also use the optional 6800 Series 5V DC adapter (CP-6800-PWR-AU=).

Yes. Cisco lists support for one 6800 Series Key Expansion Module (CP-68KEM-3PCC=) on the 6851.

Cisco lists 4 lines (SIP registrations).

Cisco has announced end-of-sale for it: the last order date was 28 October 2026 and the last ship date is 26 January 2027. Cisco names the Cisco Desk Phone 9841 as the replacement, and support continues until 31 October 2031.

ARC IP Networks is a Cisco Registered Partner and supplies the genuine Cisco IP Phone 6851 through Cisco's authorised Australian distribution, with a GST tax invoice.

Related Cisco products

Explore the full Cisco range: Cisco Australia hub · Shop all Cisco

Buy the Cisco CP-6851-3PW-AU-K9= in Australia

ARC IP Networks is a Cisco Registered Partner, supplying Cisco switching, wireless, collaboration and security products to businesses, schools and integrators across Australia.

  • Genuine Cisco: sourced through Cisco's authorised Australian distribution, never grey import.
  • Australia-wide delivery, with Australian power where a power supply is included.
  • Manufacturer's warranty and local pre-sales help choosing the right model and licence.
  • GST tax invoice on every order, with trade and project pricing available.

Planning a Cisco network?

Ask ARC IP Networks for project pricing or a configured quote, or call us to check the right Cisco model and licence for your site.

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Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

  • The stock location of the item(s) across our warehouses.
  • Orders with multiple items that may require special packaging.
  • The weight and dimensions of the order (including heavy or oversized items).
  • The delivery courier servicing your specific region.

Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
  • We'll provide required documentation for smooth customs clearance
  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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