Cisco IP DECT-6825-K9 (CP-6825-3PC-K9) Full English Product Description

Listing Title

Cisco IP DECT 6825 Multiplatform (3PCC) Premium Cordless VoIP Handset, 2.0-inch High-Res 240×320 Color TFT Display, Bluetooth LE 4.1 Headset Support, Dedicated Programmable Emergency Alert Button, HAC Hearing-Aid Compatible Handset, Optional IP65 Ruggedized Variant for Dust/Moist Environments, Dual Independent SIP Registrations, G.722 HD Wideband Full-Duplex Speakerphone, 3.5mm Wired Headset Jack, Long-Lasting Rechargeable Li-ion Battery, CAT-iq 2.1 Secure DECT Wireless, Seamless Multi-Cell Roaming with DBS-210 Base Stations, Compatible with DBS-110 Single-Cell Base Stations & RPT-110 DECT Repeaters, Webex Calling & Third-Party SIP PBX Interoperable, Desktop Charging Cradle & Belt Clip Included, Ideal for Hospital Medical Staff, Warehouse Logistics Teams, Manufacturing Floor Operators, Retail Supervisors, Office Mobile Managers and Enterprise High-Demand Wireless VoIP Deployments

Full Commercial Overview

The Cisco IP DECT 6825 (full order PID: CP-6825-3PC-K9) is the premium flagship mobile cordless handset within Cisco’s IP DECT 6800 Multiplatform (MPP) collaboration ecosystem. The3PCCfirmware designation confirms open-standard SIP operation, fully compatible with Webex Calling, BroadWorks, Asterisk, Metaswitch and all mainstream third-party SIP PBX platforms, independent of Cisco CUCM enterprise call managersCisco.

This high-feature DECT handset is engineered for professional mobile workers requiring advanced mobility tools, including hospital nurses, manufacturing staff, warehouse supervisors and front-desk managers. It pairs exclusively with Cisco DBS-110 single-cell base stations, DBS-210 enterprise multi-cell base stations and RPT-110 DECT signal repeaters, supporting uninterrupted seamless roaming across large multi-cell campus networks without dropped active callsWebex.

Core Differentiators vs entry-level 6823 handset

1. Larger high-resolution 240×320 color TFT screen (6823 only 128×160)
2. Built-in Bluetooth LE 4.1 wireless headset connectivity
3. Dedicated programmable emergency alert button for staff panic notifications
4. Full HAC hearing-aid compatible earpiece for accessibility compliance
5. Fully backlit tactile keypad for low-light workplace environments
6. Optional IP65 ruggedized sealed variant resistant to dust and splashing water for industrial/healthcare wet zonesCisco.

Each 6825 handset supports up to two independent SIP line registrations, delivers crystal-clear G.722 HD wideband voice quality, and features extended all-day battery runtime. All handset firmware can be remotely pushed and upgraded wirelessly over DECT radio links from connected base stations, enabling centralized mass device management across full enterprise DECT voice networks.

Hardware, Display & Physical Design

1. Ergonomic Chassis & Standard Accessories

• Sleek durable matte black ergonomic handset body, dimensions: 128 mm (H) × 55 mm (W) × 26 mm (D), balanced weight of 92 grams for comfortable extended handheld use.
• Standard included accessories: Desktop charging cradle, rechargeable lithium-ion battery, removable rear belt clip for uniform/pocket lanyard attachment; country-specific regional AC power adapter for cradle sold separately.
• Two chassis variants available: Standard indoor office model, and optional IP65 ruggedized sealed variant with dust-proof and splash-water resistance for industrial, hospital lab and wet retail backroom environmentsCisco.

2. 2.0-inch High-Resolution Color TFT Graphical Display

• Screen specification: 2.0-inch (5cm) backlit 64K color TFT LCD, high 240 × 320 pixel resolution, adjustable brightness for low-light or bright industrial lighting conditionsWebex.
• Display content: Vivid color-coded Caller ID name/number, active line status icons, real-time call timers, local phone directory entries, complete call logs, system menu navigation, real-time battery charge percentage meter, DECT radio signal strength gauge, DND/mute/speakerphone status notifications, emergency button programmable status indicator.

3. Full Backlit Key Layout & User Controls

Total 30 fully backlit tactile keys optimized for low-light workplace operation, with intuitive enterprise workflow controls:

1. Numeric dial pad: 0–9, *, # all backlit
2. Context controls: 3 programmable softkeys directly below the color display
3. Navigation: Five-way directional rocker with central select button
4. Call dedicated keys: Green answer key, red on-hook/end call key
5. Audio controls: Independent volume up/down toggle, dedicated mute hard key, dedicated speakerphone activation key
6. Unique premium dedicated hardware key: Large programmable emergency alert panic button on the side of the handset for instant staff emergency notifications to pre-assigned extensions or group paging listsCisco.

DECT Wireless & Audio Subsystem

1. Secure 1.9GHz CAT-iq 2.1 DECT Radio Connectivity

• Compliant with global DECT standard 1880–1900 MHz frequency band, CAT-iq 2.1 enterprise-grade wireless security with end-to-end fully encrypted DECT signaling between handset and base station/repeaters, preventing unauthorized rogue device pairing and wireless call eavesdropping.
• Supports seamless cross-cell roaming on DBS-210 multi-cell enterprise networks with automatic transparent handover that does not disconnect active voice calls.
• Secure PIN authentication pairing mechanism; only pre-registered authorized handsets can connect to the corporate DECT voice system.
• Built-in site survey signal strength tool with color-coded green/yellow/red signal indicators for easy workplace coverage planning and network deployment validationCisco.

2. Premium HD Wideband Audio & Multi-Headset Support

• Supported voice codecs: G.722 HD wideband audio for crystal-clear high-definition call quality, G.726 narrowband codec for fallback compatibility with legacy analog telephony systems.
• Full-duplex echo-canceling speakerphone with automatic DTMF tone masking for privacy when speakerphone mode is active.
• Dual headset connectivity options (unique premium feature):
  1. Built-in Bluetooth LE 4.1 radio to pair wireless Bluetooth headsets and earpieces without physical cabling
  2. Standard 3.5mm analog audio jack for connecting third-party wired office headsets
• HAC (Hearing-Aid Compatible) certified earpiece, compliant with accessibility standards for staff wearing hearing assistive devicesWebex.
• Independent volume adjustment for handset earpiece, speakerphone, alert ringtones and notification tones, with multiple customizable distinct ringtones assignable per individual SIP line.

3. Long-Lasting Rechargeable Lithium-Ion Battery Performance

• Battery type: Internal high-capacity rechargeable lithium-ion cell
• Talk time ratings: Up to 17 hours narrowband voice calls, up to 12 hours continuous G.722 HD wideband calls
• Standby idle runtime: Up to 200 hours on a single full charge cycle
• Full charging cycle time via desktop charging cradle: Approximately 6 hours from fully depleted to 100% charge.

Supported Telephony & Enterprise Business Feature Set

All calling and device configuration functions can be provisioned remotely via base station auto-provisioning templates, or manually adjusted via the handset’s on-screen graphical menu; all call control actions are triggered via standard SIP feature access codes.

1. Dual-Line Multi-Call Handling Two fully independent SIP line registrations per handset, multi-call-per-line appearance support, per-line call waiting, call hold, streaming music-on-hold, attended consultative call transfer, blind transfer, local three-way ad-hoc audio conferencing, call swap between multiple active lines, auto-answer intercom mode, global Do Not Disturb (DND) silent mode, call park/unpark and shared line appearance monitoring across multiple registered DECT handsets on the same voice network.
2. Caller ID & Corporate Directory Functions High-resolution color-screen Caller ID name and number display, outbound caller ID blocking, anonymous incoming call rejection, unique customizable ringtones assigned per individual SIP line, local stored personal speed dial directory, support for enterprise LDAP corporate directory lookup via XML application framework, fully searchable contact storage onboard the handset.
3. Group & Utility Workplace Calling One-touch internal intercom calling with automatic speakerphone auto-answer for quick staff communication, selective and group call pickup, automatic call back on busy extensions, system-wide broadcast paging to all registered DECT handsets within the entire multi-cell network.
4. Local Call Log Storage Onboard persistent storage for dialed outgoing calls, received answered calls and missed incoming calls, complete with timestamp, call duration and full Caller ID details; all logs fully viewable directly on the handset high-resolution color display.
5. Voicemail MWI Integration Native Message Waiting Indicator (MWI) notification via SIP SUBSCRIBE/NOTIFY messaging; visual on-screen color alert icons plus flashing red ringer LED to notify users of unheard voicemail messages; dedicated menu shortcut for one-touch voicemail retrieval.
6. Unique Emergency Alert Function (Exclusive to 6825) Programmable side-mounted emergency panic button; when pressed, the handset automatically initiates an outbound call to pre-configured emergency extension groups, triggers network-wide broadcast paging alerts, and transmits the handset’s current DECT cell location information to designated supervisory staff—critical for hospital, manufacturing and retail staff safety workflows.

Security & Remote Centralized Device Management

1. End-to-End Fully Encrypted Voice & Signaling TLS encrypted SIP call control signaling, SRTP AES 256-bit encrypted RTP voice media streams, plus CAT-iq 2.1 encrypted DECT wireless radio transport between handset and base station to eliminate all wireless call interception risks.
2. Multi-Tier Access Permission Controls Separate administrator and end-user permission levels protected by unique authentication passwords; password-locked factory reset function to prevent unauthorized wiping of device configurations, directories and call logs.
3. Centralized Remote Provisioning & Wireless Firmware Upgrades Full unattended remote firmware updates pushed wirelessly over DECT radio links from connected DBS-110/DBS-210 base stations to all paired 6825 handsets, no physical cradle connection required. Mass bulk provisioning supported via TFTP/HTTP/HTTPS secure auto-provisioning templates managed through the base station embedded web administration portal or Cisco Webex Control Hub cloud management platform.
4. Real-Time System Network Monitoring Capabilities Base station admin portal provides live real-time status tracking for all registered 6825 handsets, including online/offline connectivity status, remaining battery charge percentage, DECT radio signal strength and active call state auditing with centralized syslog event logging for complete enterprise network audit trails.

Environmental & Regulatory Compliance

• Regulatory Certifications: FCC Part 15 Class B EMI electromagnetic interference compliance, UL / C-UL electrical safety certification, CE marking for European Union market compliance, regional DECT radio telecom regulatory approvals, Section 508 accessibility compliance via HAC hearing-aid compatible earpiece, IP65 dust/water splash rating available on ruggedized variantCisco.
• Operating Environment (Standard model indoor only; ruggedized IP65 variant for industrial/hospital wet zones): Operating Temperature: 0°C ~ +45°C (32°F ~ 113°F) Storage Temperature: -10°C ~ +60°C (14°F ~ 140°F) Operating Humidity: 10% – 90% non-condensing Storage Humidity: 10% – 95% non-condensing
• Memory Architecture: Onboard flash memory for persistent directory, call log and configuration storage; dedicated runtime memory for DECT radio management, SIP call processing and high-resolution color LCD screen rendering.
• Lifecycle Status: Discontinued End-of-Sale legacy MPP DECT handset hardware, limited critical security bug maintenance support only, no new feature firmware development.
• Warranty: Standard one-year limited Cisco hardware warranty for commercial enterprise end-user deployments.

Key Specification Bullet Points

• Model Number: Cisco IP DECT 6825-K9 (Full PID: CP-6825-3PC-K9)
• Device Type: Premium Multi-Feature DECT Mobile Cordless VoIP Handset (MPP 3PCC Open SIP Firmware), Optional IP65 Ruggedized Sealed Variant
• Compatible Infrastructure: Cisco DBS-110 Single-Cell Base Station, DBS-210 Multi-Cell Base Station, RPT-110 DECT Signal Repeaters
• Supported Telephony Protocols: Industry Standard SIP v2 (RFC 3261 Suite), MPP Multiplatform Firmware for Webex Calling / Third-Party SIP PBX Compatibility
• Supported Voice Codecs: G.722 HD Wideband Audio, G.726 Narrowband Audio
• Display: 2.0-inch Backlit 64K Color TFT LCD, High 240 × 320 Pixel Resolution
• Wireless DECT Specs: 1880–1900 MHz Global DECT Band, CAT-iq 2.1 Fully Encrypted Wireless Security, Supports Seamless Multi-Cell Roaming on DBS-210 Networks
• Unique Premium Hardware Features: Built-in Bluetooth LE 4.1 Wireless Headset Support, Dedicated Programmable Emergency Panic Side Button, HAC Hearing-Aid Compatible Earpiece, Fully Backlit Keypad Keys
• Audio Interfaces: Built-in Full-Duplex Echo-Canceling HD Speakerphone, Dual Headset Support (Bluetooth LE 4.1 Wireless + 3.5mm Wired Jack)
• Battery Specs: Rechargeable Lithium-Ion Battery, 17hrs Narrowband Talk Time / 12hrs HD Wideband Talk Time, 200hrs Standby Idle Runtime, 6-Hour Full Charge Cycle
• Physical Dimensions: 128 mm (H) × 55 mm (W) × 26 mm (D), Unit Weight: 92g
• Included Standard Accessories: Desktop Charging Cradle, Rechargeable Li-ion Battery, Removable Rear Belt Clip (Country-Specific AC Power Adapter Sold Separately)
• Mounting/Carrying: Desktop charging cradle stationary dock, removable belt clip for mobile workplace carry
• Supported QoS & Networking Features: 802.1p Layer 2 QoS Marking, Voice VLAN Tagging, DHCP Client, STUN NAT Traversal, SNTP Network Time Synchronization, CDP/LLDP Network Device Discovery
• Security Features: TLS Encrypted SIP Signaling, SRTP AES 256-bit Encrypted Voice Media, CAT-iq 2.1 Encrypted DECT Wireless Transport, Dual-Level Admin/User Password Protection, Password-Locked Factory Reset
• Core Call & Enterprise Business Features: Dual independent SIP line registrations, multi-call-per-line appearance, call waiting, hold, attended/blind transfer, three-way conference, high-res color Caller ID display, caller ID blocking, anonymous call rejection, intercom auto-answer, group call pickup, speed dial directory, local stored call logs, DND silent mode, voicemail MWI visual alerts, call park/unpark, shared line appearance, LDAP corporate directory lookup via XML applications, programmable emergency panic alert button with location broadcast
• Management Tools: Wireless remote mass firmware upgrades via base station DECT radio links, TFTP/HTTP/HTTPS secure auto-provisioning, embedded base station web admin portal, centralized cloud device management via Cisco Webex Control Hub, syslog event logging, built-in network telephony diagnostic tools, integrated DECT site survey signal strength tool
• Target Deployment Scenarios: Hospital and healthcare facility nursing staff mobile communication, manufacturing plant and warehouse logistics team untethered wireless voice, retail management supervisors, multi-floor corporate office mobile administrative managers, hot-desk flexible office workspaces, industrial factory floors requiring IP65 dust/water ruggedized handsets, Webex Calling / BroadWorks / Asterisk / Metaswitch third-party SIP PBX wireless VoIP deployments requiring premium enterprise mobility and staff safety emergency features
• Lifecycle Status: Discontinued End-of-Sale legacy IP DECT handset hardware
• Warranty: One-year limited Cisco hardware warranty

Model Quick Reference

• Cisco IP DECT 6825-K9 (CP-6825-3PC-K9) is the flagship premium multi-feature mobile cordless handset in Cisco’s IP DECT 6800 MPP ecosystem, running open 3PCC SIP firmware compatible with all standard third-party SIP PBX and Webex Calling platforms.
• Core positioning: High-end professional mobility DECT handset designed for enterprise and healthcare workplaces requiring advanced productivity tools, staff safety emergency alert functionality, Bluetooth wireless headset compatibility and accessibility-compliant HAC hearing-aid support, with an optional IP65 ruggedized sealed variant for harsh industrial or wet medical environments.
• Key internal series differentiation vs entry-level 6823 handset:
  1. 6823: Smaller 1.7-inch low-res color screen, no Bluetooth headset support, no dedicated emergency panic button, non-backlit keypad, no HAC hearing-aid compatibility, no IP65 ruggedized option
  2. 6825: Larger high-resolution 2.0-inch color display, built-in Bluetooth LE 4.1 wireless headset pairing, programmable emergency side panic button, fully backlit tactile keypad keys, HAC hearing-aid certified earpiece, optional IP65 dust/water splash sealed rugged chassis variant
• Primary deployment advantage: Delivers reliable all-day mobile wireless HD VoIP communication, uninterrupted multi-cell campus roaming capability, dual Bluetooth/wired headset flexibility, critical staff emergency alert safety features and full remote centralized enterprise network management, ideal for high-demand professional mobility deployments across healthcare, manufacturing, logistics and corporate office environments.
• Fully interoperable with all Cisco DBS-110 single-cell and DBS-210 multi-cell DECT base station voice systems, compatible with all mainstream industry open-standard SIP telephony platforms.