Cisco IP DECT-6823-K9 (CP-6823-3PC-K9) Full English Product Description

Listing Title

Cisco IP DECT 6823 Multiplatform (3PCC) Cordless VoIP Handset, Standard Lightweight DECT Mobile Handset Compatible with DBS-110 Single-Cell & DBS-210 Multi-Cell Base Stations, Supports 2 Independent SIP Registrations, 1.7-inch 64K Color TFT Display, G.722 HD Wideband Audio, Full-Duplex Speakerphone, 3.5mm Wired Headset Jack, Long-Lasting Rechargeable Li-ion Battery, CAT-iq 2.1 Secure DECT Wireless, Webex Calling & Third-Party SIP PBX Interoperable, Belt Clip Included, Desktop Charging Cradle Included, Ideal for Retail Staff, Warehouse Workers, Office Mobile Employees, Clinic Front Desk and Small-to-Medium Business Wireless VoIP Deployments

Full Commercial Overview

The Cisco IP DECT 6823 (order PID: CP-6823-3PC-K9) is the entry-level standard 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 industry third-party SIP PBX platforms, independent of Cisco CUCM enterprise call managers.

This lightweight mobile DECT handset is designed for staff requiring untethered voice communication across indoor business spaces, such as retail floors, warehouses, open offices and healthcare clinics. 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 seamless roaming across multi-cell DBS-210 networks.

Key differentiators vs the premium 6825 handset:

1. Smaller 1.7-inch color display (6825 uses 2.0-inch high-res screen)
2. No built-in Bluetooth LE headset support
3. No dedicated emergency alert button
4. Lighter compact chassis without ruggedized IP65 dust/water resistanceCisco.

Each 6823 handset supports up to two independent SIP line registrations, delivers HD wideband voice quality, and features extended battery runtime for all-day workplace mobility. All handset firmware can be remotely pushed and upgraded over DECT radio links from connected base stations, enabling centralized mass device management across full DECT voice networksCisco.

Hardware, Display & Physical Design

1. Compact Ergonomic Chassis & Accessories

• Sleek matte black lightweight handset body, dimensions: 122 mm (H) × 51 mm (W) × 23 mm (D), total weight only 86 grams for comfortable all-day handheld useCisco.
• Standard included accessories: Desktop charging cradle, rechargeable lithium-ion battery, removable rear belt clip for clipping to uniform, lanyards or pockets; power adapter sold separately (country-specific regional power cube)Cisco.
• Indoor-use only design, no rugged waterproof/dustproof rating.

2. 1.7-inch Color TFT Graphical Display

• Screen specification: 1.7-inch (4.3cm) backlit 64K color TFT LCD, resolution 128 × 160 pixels, adjustable brightness for indoor lighting conditionsCisco.
• Display content: Color-coded Caller ID name/number, active line status icons, call timers, local phone directory entries, call logs, system menu navigation, battery charge indicator, DECT radio signal strength meter, DND/mute/speakerphone status notifications.

3. Complete Key Layout & User Controls

Total 28 tactile backlit keys with intuitive workplace operation:

1. Numeric dial pad: 0–9, *, # keys
2. Context controls: 3 programmable softkeys below 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, mute key, dedicated speakerphone key
6. Quick-access menu hard key for directory, feature settings and system configuration.

DECT Wireless & Audio Subsystem

1. Secure 1.9GHz DECT Radio Connectivity

• Compliant with global DECT standard 1880–1900 MHz frequency band, CAT-iq 2.1 wireless security with end-to-end encrypted DECT signaling between handset and base station/repeaters to prevent unauthorized device pairing or call eavesdroppingCisco.
• Supports seamless cross-cell roaming on DBS-210 multi-cell networks with automatic handover without dropping active voice calls.
• Pairing via secure PIN authentication; only authorized registered handsets can connect to the corporate DECT voice system.

2. HD Wideband Audio Capabilities

• Supported voice codecs: G.722 HD wideband audio for crystal-clear high-definition call quality, G.726 narrowband codec for fallback compatibility with legacy telephony systemsCisco.
• Full-duplex echo-canceling speakerphone with automatic DTMF tone masking for privacy when speakerphone mode is activeCisco.
• Wired headset support: 3.5mm standard audio jack for connecting third-party wired office headsets (no Bluetooth wireless headset functionality)Cisco.
• Integrated volume adjustment for handset earpiece, speakerphone ringer and alert tones, with multiple customizable distinct ringtones per SIP line.

3. Rechargeable Lithium-Ion Battery Performance

• Battery type: Internal rechargeable lithium-ion cell
• Talk time ratings: Up to 17 hours narrowband calls, up to 12 hours HD wideband calls
• Standby idle runtime: Up to 200 hours on a full charge
• Full charging cycle time via desktop cradle: Approximately 6 hours.

Supported Telephony & Business Feature Set

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

1. Dual-Line Multi-Call Handling Two independent SIP line registrations per handset, multi-call-per-line appearance, per-line call waiting, call hold, streaming music-on-hold, attended consultative transfer, blind transfer, local three-way ad-hoc audio conferencing, call swap between active lines, auto-answer intercom mode, global Do Not Disturb (DND) silent mode, call park/unpark and shared line appearance monitoring across multiple handsets.
2. Caller ID & Directory Functions Color-screen Caller ID name and number display, outbound caller ID blocking, anonymous incoming call rejection, unique customizable ringtones assigned per SIP line, local stored personal speed dial directory, support for corporate LDAP directory lookup via XML application framework, full searchable contact storage on the handset.
3. Group & Utility Workplace Calling One-touch internal intercom calling with auto-answer speakerphone, selective and group call pickup, automatic call back on busy extensions, system-wide broadcast paging to all registered DECT handsets within the cell network.
4. Local Call Log Storage Onboard storage for dialed outgoing calls, received answered calls and missed incoming calls, complete with timestamp, call duration and caller ID details; all logs fully viewable directly on the handset color display.
5. Voicemail MWI Integration Native Message Waiting Indicator (MWI) notification via SIP SUBSCRIBE/NOTIFY messaging; visual on-screen alert icons plus flashing ringer LED to notify users of unheard voicemail messages; dedicated menu shortcut for one-touch voicemail retrieval.

Security & Remote Device Management

1. End-to-End 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 wireless call interception risks.
2. Multi-Tier Access Permissions Separate administrator and end-user permission levels protected by unique authentication passwords; password-locked factory reset to prevent unauthorized wiping of device configurations.
3. Centralized Remote Provisioning & Firmware Upgrades Full unattended remote firmware updates pushed wirelessly from connected DBS-110/DBS-210 base stations to all paired 6823 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 Webex Control Hub cloud management platform.
4. System Monitoring Capabilities Base station admin portal provides real-time status tracking for all registered 6823 handsets, including online/offline status, remaining battery charge level, DECT radio signal strength and active call state auditing with centralized syslog event logging for full network audit trails.

Environmental & Regulatory Compliance

• Regulatory Certifications: FCC Part 15 Class B EMI compliance, UL electrical safety certification, CE marking for European Union markets, regional DECT radio telecom regulatory approvals, Section 508 accessibility compliant with compatible inline handset amplifiers (non-native HAC unlike 6825)Cisco.
• Operating Environment (Indoor Only): 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 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 business end-user deployments.

Key Specification Bullet Points

• Model Number: Cisco IP DECT 6823-K9 (Full PID: CP-6823-3PC-K9)
• Device Type: Entry-Level Standard DECT Mobile Cordless VoIP Handset (MPP 3PCC Open SIP Firmware)
• 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: 1.7-inch Backlit 64K Color TFT LCD, 128 × 160 Pixel Resolution
• Wireless DECT Specs: 1880–1900 MHz Global DECT Band, CAT-iq 2.1 Encrypted Wireless Security, Supports Multi-Cell Roaming on DBS-210 Networks
• Audio Interfaces: Built-in Full-Duplex Echo-Canceling Speakerphone, 3.5mm Wired Headset Jack (No Bluetooth Support)
• 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: 122 mm (H) × 51 mm (W) × 23 mm (D), Unit Weight: 86g
• 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 & Business Features: Dual independent SIP line registrations, multi-call-per-line appearance, call waiting, hold, attended/blind transfer, three-way conference, 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
• 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
• Target Deployment Scenarios: Small & medium business retail floor mobile staff, warehouse logistics workers, open multi-floor office mobile administrative employees, clinic/hospital front desk untethered communication, hot-desk flexible office workspaces, Webex Calling / BroadWorks / Asterisk / Metaswitch third-party SIP PBX wireless VoIP deployments requiring cost-effective standard mobile DECT handsets
• Lifecycle Status: Discontinued End-of-Sale legacy IP DECT handset hardware
• Warranty: One-year limited Cisco hardware warranty

Model Quick Reference

• Cisco IP DECT 6823-K9 (CP-6823-3PC-K9) is the base standard entry-level 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: Cost-efficient lightweight mobile DECT handset designed for general workplace untethered voice communication, ideal for businesses with large numbers of mobile staff seeking affordable wireless VoIP mobility without premium extra features.
• Key internal series differentiation vs 6825 premium handset:
  1. 6823: Smaller 1.7-inch color screen, no Bluetooth headset support, no emergency alert button, no IP65 ruggedized dust/water resistance, lighter compact chassis
  2. 6825: Larger 2.0-inch high-res display, built-in Bluetooth LE, dedicated emergency button, HAC hearing-aid compatibility, optional IP65 ruggedized variant
• Primary deployment advantage: Delivers reliable all-day mobile wireless VoIP communication, seamless multi-cell roaming capability, HD wideband voice quality and full remote centralized management, paired with cost-effective pricing for mass handset rollouts across retail, warehouse and 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.