Cisco UC Phone 7811 (Black Bezel) - VoIP Phone with 3.28" Greyscale Display
SKU: CP-7811-K9=Cisco › Cisco VoIP Phones & Headsets· Model: 7811
฿4,607
Price includes 7% VATPrice updated November 1, 2026
In stock19 units1 year manufacturer's warranty
For orders placed before 12:00 on a business day; weekends excluded
GenuineFree delivery from ฿5,000Tax invoice
Cisco UC Phone 7811 VoIP phone for office with 3.28-inch gray display, supports multiple SIP platform operations, delivering high-quality audio and easy control
Key features
- 3.28" gray display with resolution of 384×106 pixels
- Supports multiple SIP platforms such as Webex Calling, Broadworks
- High-quality audio with G.711, G.722, and iSAC codecs
- Full duplex speakerphone with DTMF tone masking
- Supports cloud-based configuration and multiplatform firmware updates
Product description
Cisco UC Phone 7811 is a VoIP phone designed for organizations to enhance internal communication efficiency. It features a 3.28-inch gray display with a resolution of 384×106 pixels, supporting scrolling text and XML-based applications. This phone supports multiple SIP platforms such as Cisco Webex Calling, Webex Calling Carrier, and Cisco Broadworks, and seamlessly integrates with third-party UCaaS systems. With audio codecs G.711, G.722, G.729ab, and iSAC, it delivers clear audio even in noisy environments. It includes a full duplex speakerphone enabling two-way conversation without lifting the handset.
More features
- Dual-position stand adjustable at 30° and 45°
- Wall mountable with optional mounting kit
- Supports analog headset (RJ-9)
- Color indicators on call, line, and message waiting buttons
- Volume control via volume switch
Pros and limitations
Pros
- Supports flexible use with multiple UCaaS platforms
- Large display for the 7800 series
- Supports Multiplatform firmware updates via Cloud
- Two-position adjustable stand for convenient use
- Supports wall mount with optional kit
Limitations
- No headset button (Headset Key)
- Not supported for external headset control
- Not supported in Enterprise mode when purchased as Multiplatform
Who it is for
Ideal for office employees who need a high-quality VoIP phone that supports multiple SIP platforms such as Webex Calling and Broadworks, especially users transitioning from Enterprise to Multiplatform
Connectivity
Ethernet
Specifications (50)
- Base
- Black
- Port
- RJ-9 x2 (headset, telephone line)
- Color
- Black
- Panel
- Gray (Greyscale)
- Stand
- Dual-position (30° and 45°)
- Speaker
- Yes
- Size (mm)
- 180 × 145 × 120
- Audio line
- Supports (RJ-9)
- Resolution
- 384 × 106 pixels
- Ring button
- Yes
- Weight (kg)
- 1.3
- Display size
- 3.28"
- No backlight
- Yes
- Supports CDP
- Yes
- Supports DNS
- Yes (A record, SRV record)
- Supports SIP
- Yes
- Supports DHCP
- Yes
- Supports DTMF
- In-band, out-of-band (RFC 2833), SIP INFO
- Supports IPv4
- Yes
- Supports LLDP
- Yes
- Supports SNTP
- Yes
- Supports STUN
- Yes
- Analog headset
- Supports (RJ-9)
- Wall mountable
- Yes (requires optional kit)
- Supports UDP/TCP
- Yes
- DTMF tone masking
- Yes (when using speakerphone)
- Speakerphone button
- Yes
- Speakerphone system
- Full duplex
- Supports wall mount
- Yes
- Supports SIP protocol
- RFC 3261 and other RFCs
- Volume control button
- Yes
- Message waiting button
- Yes
- Number of line buttons
- 12 buttons
- Status indicator light
- Yes (call, line, message waiting buttons)
- Supports NAT traversal
- Yes
- Supports data encryption
- Yes
- Supports voice encryption
- G.711 (A-law, μ-law), G.722.2, G.722, G.729ab, ILBC, iSAC, OPUS
- Supports 802.1X encryption
- Yes
- Supports headset connectivity
- Yes (RJ-9)
- Supports Cloud firmware updates
- Yes
- Supports telephone line connection
- Yes
- Supports use with Cisco Broadworks
- Yes
- Supports use with Cisco Webex Calling
- Yes
- Supports Multiplatform firmware updates
- Yes
- Supports use with Webex Calling Carrier
- Yes
- Supports use with multiple SIP platforms
- Yes
- Supports use on third-party UCaaS platforms
- Yes
- Supports use in Multiplatform Phone Firmware mode
- Yes
- Supports switching mode from Enterprise to Multiplatform
- Yes (via Cisco Cloud Upgrader service)
- Supports switching mode from Multiplatform to Enterprise
- Yes (via Cisco Cloud Upgrader service)
Compatibility
Cisco Collaboration Platform
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Can the Cisco UC Phone 7811 be used with Cisco Webex Calling?
Yes, this phone supports use with Cisco Webex Calling, especially when configured with Multiplatform Phone Firmware, enabling seamless connectivity and operation.
Can the mode be switched from Enterprise to Multiplatform?
Yes, through the Cisco Cloud Upgrader service, which incurs a fee, allowing the phone to work with third-party SIP platforms such as Webex Calling Carrier and Broadworks.
What is the size of the Cisco UC Phone 7811 display?
The display is 3.28 inches with a resolution of 384×106 pixels, a grayscale screen without backlight, supporting scrolling of text and XML applications.
Supports wall mount installation?
Yes, the phone can be wall-mounted using an optional wall-mount kit, which is sold separately, with mounting holes located on the base.
What types of headsets are supported?
Supports analog headsets via RJ-9 port, suitable for standard telephone headsets, but does not have a headset button (Headset Key) on the device.
Supports use with Broadworks?
Yes, the Cisco UC Phone 7811 supports use with Broadworks, especially when configured with Multiplatform Phone Firmware.
Can speakerphone be used simultaneously with DTMF?
Yes, but DTMF tones are masked (hidden) when speakerphone is enabled for call security.
How many adjustable angles does the stand support?
Has two-position stand supporting screen angles of 30 degrees and 45 degrees, enabling convenient viewing in various environments.
Is it in stock?
The Cisco UC Phone 7811 (Black Bezel) - VoIP Phone with 3.28" Greyscale Display is in stock and ready to ship. Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Order online at store.gist.co.th or contact our sales team at 092-251-4017.
How much does it cost?
The price is ฿4,607 (including 7% VAT). It is in stock and ready to ship. Business customers can request a quotation at sales@gist.co.th.
How long is the warranty?
Warranty period: 1 year for newly purchased equipment (manufacturer's terms). To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
1 year for newly purchased equipment
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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Price
฿4,607