# IP Phone Cisco CP-8851-K9= Black

**URL:** https://aio.lv/en/product--cisco-cp-8851-k9--245877
**Data updated:** 2025-12-28 21:11 (EET)
**Category:** VoIP Phones
**Manufacturer:** Cisco
**Manufacturer code:** CP-8851-K9=
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 574.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 474.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cisco-cp-8851-k9--245877

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Cisco IP Business Phone 8851 features a 5-inch WVGA color display, Gigabit Ethernet switch, and supports 10 SIP registrations. It offers digital volume control, wired handset, and Bluetooth 3.0+HS. With voice codecs like G.711a, G.722, and G.729A, it ensures high-quality audio. The phone supports various network protocols and security algorithms, making it a reliable choice for business communication.

## Long description

The Cisco IP Phone 8851 (CP-8851-K9=) is a business VoIP desk phone designed for reliable daily use. It features a 5-inch WVGA color display, Gigabit Ethernet switch with PoE support, Bluetooth 3.0+HS and a wired handset. The phone supports up to 10 SIP registrations and a range of voice codecs (for example G.711a, G.722, G.729A) to deliver clear wideband audio and encrypted voice communications for enhanced security.
Advantages
The Cisco CP-8851-K9= combines an ergonomic design with enterprise-grade audio and security: wideband audio for improved voice clarity, multiple codec support for compatibility with varied networks, and encrypted voice paths. Built-in Gigabit Ethernet and PoE simplify installation while Bluetooth enables headset connectivity. The unit’s multi-platform firmware provides reliable, always‑on operation suitable for busy office environments.
Suitable for
Open-plan offices and individual workstations
Reception desks and shared office spaces
Users requiring secure, encrypted voice communications
Environments that need PoE-powered desk phones and Gigabit LAN
Key specifications
Model: Cisco CP-8851-K9=
Display: 5-inch WVGA color
Registrations: Up to 10 SIP registrations
Audio: Wideband audio; supported codecs include G.711a, G.722, G.729A
Connectivity: Gigabit Ethernet switch, PoE, Bluetooth 3.0+HS
Handset: Wired handset; speakerphone included
Physical: Colour — Black; Weight — 1.19 kg
How to use
Connect the phone to your network using the Gigabit Ethernet port and enable PoE or attach an appropriate power adapter if PoE is not available. Configure SIP account details via the phone’s web interface or provisioning server to register up to 10 accounts. Pair a Bluetooth headset through the phone settings if needed. Use the handset, speakerphone or Bluetooth headset to make and receive calls; adjust volume using the device controls and navigate menus on the color display.
Usage recommendations
For best call quality, use a wired Gigabit connection with PoE and enable wideband codecs on your PBX. Keep firmware updated to maintain security and interoperability with multi-platform deployments.

## Specifications

### Display

| Feature | Value |
|---|---|
| Touchscreen | No |
| Display diagonal | 5 " |
| Display resolution | 800 x 480 |

### Phone features

| Feature | Value |
|---|---|
| Caller ID | Yes |
| Call forwarding | Yes |
| Call waiting | Yes |
| Speed dialling | Yes |
| Call hold | Yes |
| Call pick up | Yes |
| Call transfer | Yes |
| Message-waiting indicator (MWI) | Yes |

### Audio

| Feature | Value |
|---|---|
| Speakerphone | Yes |
| Voice codecs | G.722, G.729A, iLBC, G.711a |
| Microphone mute | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 2 |
| DC-in jack | Yes |
| RJ-9 ports quantity | 1 |

### Network

| Feature | Value |
|---|---|
| Security algorithms | EAP-FAST, SSL/TLS, SSH, SIPS, HTTPS, EAP-TLS |
| Supported network protocols | SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP |
| Bluetooth version | 3.0+HS |
| Ethernet LAN | Yes |
| Networking standards | IEEE 802.3i, IEEE 802.3u, IEEE 802.3at, IEEE 802.3af, IEEE 802.3ab |
| Bluetooth | Yes |
| Wi-Fi | No |
| Quality of Service (QoS) support | Yes |
| DHCP client | Yes |

### Power

| Feature | Value |
|---|---|
| Power over Ethernet (PoE) | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.19 kg |
| Package weight | 1600.91 g |
| Height | 229.1 mm |
| Width | 257.3 mm |
| Depth | 40 mm |
| Package depth | 353.06 mm |
| Package height | 75.946 mm |
| Package width | 263.906 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -10 - 60 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 10 - 95 |

### Packaging content

| Feature | Value |
|---|---|
| Number of handles included | 1 pc(s) |

### Design

| Feature | Value |
|---|---|
| Wall mountable | Yes |
| Product colour | Black |
| Mounting | Desk/Wall |
| Backlight keypad | Yes |
| Device lock | Yes |
| Handset type | Wired handset |
| Product type | IP Phone |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 85171800 |

### Management features

| Feature | Value |
|---|---|
| Volume control | Digital |

## FAQ

### How much does the IP Phone Cisco CP-8851-K9= cost, and is it available for purchase?

The price is 574.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 269 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Cisco products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Cisco service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: touchscreen, speakerphone, bluetooth, ethernet lan, power over ethernet (poe), weight, handset type, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/245877/65784617_large.webp