Cisco UC Phone 7821 VoIP Phone - Multiplatform Firmware
SKU: CP-7821-K9=Cisco › Cisco VoIP Phones & Headsets· Model: 7821
฿5,995
Price includes 7% VATPrice updated November 1, 2026
In stock4 unitsManufacturer's warranty
For orders placed before 12:00 on a business day; weekends excluded
GenuineFree delivery from ฿5,000Tax invoice
New generation office IP phone from Cisco, supports cloud systems and SIP platforms, featuring a 3.5-inch display and high-quality audio
Key features
- Supports cloud systems and SIP platforms via Multiplatform Firmware
- 3.5-inch display with resolution of 396 x 162 pixels
- Wideband audio and full-duplex speakerphone
- Supports PoE Class 1, operates in both PoE and external power modes
- Features 2 programmable buttons for call setup.
Product description
Cisco UC Phone 7821 is a new VoIP phone designed for modern enterprise environments, supporting UCaaS platforms such as Cisco Webex Calling, Webex Calling Carrier, and Cisco Broadworks via Multiplatform Phone Firmware. The 3.5-inch (89 mm) display has a resolution of 396 x 162 pixels for clear information display, with 2 programmable buttons for call setup. It supports full-duplex video and wideband audio standards for clear, interference-free conversations. It operates in both PoE Class 1 mode and can be mounted on a desk or wall flexibly.
More features
- Designed to work with Cisco Webex Calling and other UCaaS platforms
- Supports Multiplatform Phone firmware updates
- Interchangeable bezel available (Silver is an option)
- Supports 10/100 Mbps Ethernet Switch
- Suitable for both office and flexible workspaces
Pros and limitations
Pros
- Supports multiple cloud systems and SIP platforms
- High-quality audio with wideband and full-duplex speakerphone
- Operates in both PoE Class 1 and external power modes
- Clear display with a 3.5-inch screen
- Supports Multiplatform Phone firmware updates
Limitations
- Does not support certain features available in firmware for Cisco Unified Communications Manager
- Unit size is relatively large, may not be suitable for limited spaces
Who it is for
Ideal for employees in organizations requiring VoIP phones that support cloud systems such as Webex Calling or Broadworks, especially those needing high-quality audio and features compatible with SIP platforms
Specifications (25)
- Ports
- Ethernet (RJ-45), Power (PoE or DC)
- Status
- Available Order
- Weight
- 1.2 kg
- Warranty
- Standard warranty included (details in ordering info)
- PoE Class
- 1
- Dimensions
- 180 x 145 x 65 mm
- Resolution
- 396 x 162 pixel
- Screen Size
- 3.5 in. / 89 mm
- Power Supply
- PoE Class 1 or external power adapter
- Product Type
- IP Phones
- Audio Quality
- Wideband
- Compatibility
- Cisco IP Phone 7800 Series
- Firmware Type
- Multiplatform Phone Firmware
- Certifications
- IEEE 802.3af PoE, RoHS, CE, FCC
- Wideband Audio
- Standard
- Ethernet Switch
- 10/100 Mbps
- Mounting Options
- Desk, Wall (with optional bracket)
- Operating System
- Multiplatform Phone Firmware
- Platform Support
- Cisco Webex Calling, Webex Calling Carrier, Cisco Broadworks, approved SIP UCaaS platforms
- Replaceable Bezel
- Silver as option
- Series Release Date
- 22-OCT-2013
- Environmental Rating
- Operating Temperature: 0°C to 40°C, Storage: -20°C to 60°C
- Programmable Line Keys
- Yes (2)
- Full Duplex Speakerphone
- Yes (wideband)
- Call Control Compatibility
- Cisco Unified Communications Manager (non-Multiplatform), other SIP-based systems via Multiplatform Firmware
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 7821 work with Cisco Webex Calling?
Yes, this phone supports Multiplatform Phone Firmware, designed to work directly with Cisco Webex Calling, Webex Calling Carrier, and other SIP platforms
Can it use PoE Class 1?
Yes, this phone supports PoE Class 1, enabling power delivery over the network cable without requiring an external power adapter.
How many programmable buttons are there?
It has 2 programmable buttons for customizing call settings or specific functions as needed.
Does it support interchangeable bezels?
Yes, it supports interchangeable bezels, with Silver available as an option for users wanting to match their desk setup style
Can it work with Cisco Unified Communications Manager?
Yes, but only with non-Multiplatform Phone Firmware, as this model is designed for cloud platforms and may lack certain features when used with on-premises systems
What is the screen size?
The display is 3.5 inches (89 mm) with a resolution of 396 x 162 pixels, providing clear and easy-to-read information
Does it require an external power adapter?
No, it is not required, as it supports PoE Class 1 for power delivery over the network cable. However, an external power adapter can be used if PoE is unavailable
What Ethernet Switch speed does it support?
Supports 10/100 Mbps Ethernet Switch, enabling stable and fast network connectivity
Is it in stock?
The Cisco UC Phone 7821 VoIP Phone - Multiplatform Firmware 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 ฿5,995 (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: Warranty according to manufacturer's terms (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
Warranty according to manufacturer's terms
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
฿5,995