Cisco CP-7925G Unified Wireless IP Phone Full English Product Description

Listing Title

Cisco CP-7925G Unified Dual-Band Rugged Wireless IP Phone (SCCP Only), IEEE 802.11a/b/g Wi-Fi Handset, 2-inch Color LCD Display, Bluetooth 2.0+EDR Support, IP54 Dust/Water Resistance, MIL-STD-810F Rugged Rating, Wideband G.722 HD Audio, Standard/Extended Lithium-Ion Battery Options, Desktop Charging Cradle with Built-In Speakerphone, 2.5mm Wired Headset Jack, Enterprise WLAN Security Suite, CUCM / CUCM Express / SRST Compatible, Ideal for Manufacturing, Warehouse, Healthcare, Retail, Campus Maintenance and Mobile Industrial Workers Requiring Rugged Roaming Wideband VoIP Communications Over Corporate Dual-Band Wi-Fi Networks

Full Commercial Overview

The Cisco CP-7925G (Unified Wireless IP Phone 7925G) is the third-generation ruggedized enterprise portable wireless VoIP handset within Cisco’s 7900 series portfolio, built as a major upgrade to the CP-7921G with industrial-grade rugged construction, a color LCD screen, native Bluetooth headset support and enhanced battery efficiency, while retaining dual-band 802.11a/b/g Wi-Fi and wideband G.722 HD audio capabilitiesCisco.

This battery-powered portable wireless handset operates over corporate Cisco Aironet dual-band Wi-Fi access points, delivering full enterprise-class VoIP telephony feature parity with wired Cisco desk IP phones, centrally managed by Cisco Unified Communications Manager (CUCM), CUCM Express or Survivable Remote Site Telephony (SRST) gateways. The CP-7925G exclusively supports SCCP (Skinny Client Control Protocol); native SIP signaling is not supported, designed for legacy CUCM SCCP unified communications deployments. A hazardous-location variant (CP-7925G-EX) is also available with ATEX/CSA explosion-proof certification for chemical plant and refinery environmentsCisco.

Core firmware releases deliver expanded CCKM fast secure roaming stability, WPA2-Enterprise encryption hardening, improved Bluetooth peripheral interoperability and richer XML enterprise application rendering on the handset’s color LCD screen. Two lithium-ion battery variants are offered: standard capacity for general office retail deployments, and extended capacity for shift-based industrial, manufacturing and hospital environments requiring all-day continuous operation without recharging.

Core Hardware & Feature Differentiators vs CP-7921G Second-Generation Wireless Handset

1. Industrial ruggedized chassis with IP54 dust/splash resistance and MIL-STD-810F certification: The flagship upgrade over the CP-7921G’s standard plastic housing, protecting against dust ingress, sprayed water, drops, vibration and thermal shock for harsh industrial and clinical environmentsCisco.
2. 2-inch full-color 176×220 pixel LCD display: Replaces the CP-7921G’s monochrome grayscale screen, enabling vivid color XML business application rendering, customizable screen backgrounds and clearer multi-line call status visualization.
3. Integrated Bluetooth 2.0+EDR wireless headset support: Native pairing with certified Bluetooth headsets, earpieces and audio peripherals, a feature entirely absent on the CP-7921G which only supported wired 2.5mm headsetsCisco.
4. Revised optimized lithium-ion battery power management: Standard battery delivers up to 9.5 hours continuous talk time / 180 hours standby; extended battery reaches 13.5 hours talk time / 240 hours standby, with reduced power drain during Bluetooth and Wi-Fi idle modes compared to the CP-7921G.
5. Enhanced physical ergonomics with tactile 5-key marker (ADA accessibility compliance): Raised central dot on the numeric 5 key for blind tactile dialing, plus redesigned rubberized grip for improved handling with gloved hands in industrial workplacesCisco.
6. Expanded accessory ecosystem purpose-built for rugged deployments: Rotating belt holster, hard protective rugged case, leather carry sleeve with shoulder strap and multi-unit rack chargers, all optimized for the CP-7925G’s thicker industrial chassis, unavailable for the CP-7921GCisco.
7. Upgraded internal speakerphone and microphone array: Improved noise cancellation and echo suppression optimized for loud manufacturing warehouse environments, surpassing the CP-7921G’s standard audio hardware performance.

Hardware & Physical Design Architecture

1. Chassis, Battery & Charging Hardware

• Form factor: Compact lightweight rugged portable handheld wireless handset with dual vertical/horizontal diversity Wi-Fi antennas integrated into the top chassis; ergonomic curved latex-free impact-resistant textured ABS plastic grip for one-handed mobile operation, compatible with work gloves. Includes a dedicated desktop charging cradle with integrated full-duplex speakerphone and regional universal AC power adapter; optional industrial accessories sold separately: rotating belt holster, hard rugged protective case, leather carry sleeve with security lanyard, multi-unit rack charging station, wall-mount cradle kitsCisco.
• Chassis material: Lead-free, latex-free matte dark gray durable ABS plastic with reinforced edge bumpers; certified IP54 dust and splash-water resistance, MIL-STD-810F shock, vibration and thermal shock compliance for harsh industrial workplace conditionsCisco.
• Physical Dimensions (Handset Only, H × W × D): 12.7cm × 5.2cm × 2.0cm (5.0 × 2.0 × 0.8 inches).
• Total Unit Weight (Including Installed Standard Lithium-Ion Battery): Approximately 138–143 grams (4.8–5.0 oz), weight varies slightly with extended battery packs.
• Battery Specifications: Two removable rechargeable lithium-ion battery pack options:
  1. Standard Battery: Up to 9.5 hours continuous talk time, up to 180 hours idle standby; full recharge cycle ~4.5 hours via desktop cradle.
  2. Extended Capacity Battery: Up to 13 hours continuous talk time, up to 240 hours idle standby; full recharge cycle ~5 hours via desktop cradle. Low-battery visual color LCD alert, dedicated tri-color top LED charging indicator and distinct audible warning tone activate when remaining charge depletes to critical low levels; battery runtime is reduced when Bluetooth headsets remain continuously paired and active.
• Operating & Environmental Compliance (Indoor Commercial / Industrial Use Only): Operating Temperature: 0°C ~ +40°C (32°F ~ 104°F) Storage Temperature: -30°C ~ +60°C (-22°F ~ 140°F) Operating Relative Humidity: 10% – 95% non-condensing Certified Operation Altitude: 0 – 6,500 ft (0 – 2 km) Mechanical Drop Rating: Survives free fall from 1.5 m (5 ft) onto concrete surface without protective carry case Vibration Compliance: 1.5 Grms maximum acceleration across three orthogonal axes Thermal Shock Tested: 24-hour alternating cycles at -30°C and +70°C extreme temperatures Ingress Protection: IP54 (limited dust ingress, protected against low-pressure water splashes from any angle) Military Standard Compliance: MIL-STD-810F Method 516.5 Procedure I shock resistance certificationCisco.

2. Keypad, Display & Control Hardware Layout

1. 2-inch full-color backlit LCD display (176×220 QVGA pixel resolution): Vivid color screen with user-adjustable backlight timeout power-saving modes; real-time color rendering of caller ID name/number, active multi-line call status icons, missed call notification banners, voicemail MWI alert graphics, corporate LDAP directory search results, persistent local call history logs, color XML enterprise business application content, customizable desktop background wallpapers, system clock, remaining battery charge percentage meter and Wi-Fi RSSI signal strength indicator. A multi-color tri-state LED at the top edge provides visual status feedback for ringing incoming calls, unread voicemail messages and active battery charging cycles.
2. Two context-sensitive left/right softkeys: Trigger menu actions labeled directly on the color LCD screen above each key, used for navigating directory entries, call logs and device configuration submenus.
3. Four-way directional navigation rocker with central select button: Primary control for scrolling menu lists, selecting directory contacts and adjusting device network/audio settings, supplementary to softkey navigation shortcuts.
4. Dedicated green Answer/Send key: Initiates outbound dialing after number entry and answers all incoming ringing voice calls.
5. Dedicated red End/Power key: Terminates all active voice calls, returns the handset to idle standby mode, and controls full handset power on/off when held continuously for 3+ seconds.
6. Standard 12-key tactile rubberized numeric dial pad (0–9, *, #): Ergonomic raised keys with central tactile dot marker on digit 5 for ADA accessibility and blind gloved dialing; keys used for dialing extension numbers, entering wireless authentication usernames/passwords, and activating eight built-in speed-dial hotkeys mapped to digits 2 through 9.
7. Dedicated Mute hard key with integrated status LED: Instantly disables the handset’s built-in microphone during active calls for private side conversations.
8. Independent Volume adjustment rocker key: Separate up/down control to individually tune earpiece receiver audio gain during active calls and ringtone alert volume in idle standby mode.
9. Dedicated Menu hotkey: One-touch shortcut to access core device menu groups: corporate LDAP directory lookup, stored call logs, voicemail access portal, customizable user profiles, wireless network configuration tools and global phone settings.
10. Multi-function quick-access hotkeys integrated into keypad shortcuts: Combined key press to engage automatic keypad lock, one-touch toggle for vibrate alert mode and ringtone muting, direct voicemail portal shortcut.
11. Integrated front-facing wideband/narrowband earpiece receiver, bottom-mounted omnidirectional noise-canceling microphone, and internal multi-tone ringer speaker: Optimized dual-mode audio hardware supporting clear two-way voice communications in both quiet office environments and high-noise industrial/manufacturing workspaces, with multiple customizable ringtone profiles, adjustable volume levels and silent vibrate-only alert mode options.
12. External peripheral ports (unique upgrades vs CP-7921G):
    • Side-mounted 2.5mm TRRS four-conductor wired headset jack for connecting certified Plantronics and Cisco wired headsets supporting both transmit microphone and receive audio channels.
    • Bluetooth 2.0+EDR wireless radio module integrated internally for pairing with certified Bluetooth headsets, earpieces and audio peripherals (no separate USB Bluetooth adapter required).
    • Side USB 1.1 dual master/slave port for firmware debugging, local configuration backup and limited peripheral accessory connectivity.

3. Wideband Audio Subsystem & Supported Voice Codecs

• Ergonomic integrated dual-mode wideband/narrowband earpiece receiver with adaptive background noise suppression; handset omnidirectional microphone incorporates full-duplex acoustic echo cancellation and dynamic ambient noise reduction for crisp remote-party audio transmission in loud industrial workplace environments. The desktop charging cradle also features a dedicated built-in full-duplex speakerphone for dock-in hands-free calling when the handset is seated.
• Supported voice audio encode/decode codecs for SCCP RTP media streams: Wideband G.722 (16kHz HD voice, TIA 920 compliant), narrowband G.711a-law, G.711u-law, G.729a low-bitrate compression, G.729ab comfort noise optimized codec, iLBC internet low-bitrate speech codec for variable packet loss wireless linksCisco.
• Voice quality optimization feature set: Voice Activity Detection (VAD), Comfort Noise Generation (CNG), silence suppression, adaptive acoustic echo cancellation, automatic packet loss concealment to minimize audio stuttering over fluctuating Wi-Fi link quality, and dynamic gain control for consistent audio volume regardless of distance from the handset microphone.

Wireless Network, Power & Hardware Interfaces

1. Dual-Band IEEE 802.11a/b/g Wi-Fi Wireless Radio Subsystem

• Wireless Standard Compliance: Dual concurrent band support for IEEE 802.11a (5GHz UNII band, OFDM modulation, 6/9/12/18/24/36/48/54 Mbps data rates) and IEEE 802.11b/g (2.4GHz ISM band; b-mode DSSS 1/2/5.5/11 Mbps, g-mode OFDM/DSSS hybrid up to 54 Mbps) with automatic band autosensing and user-configurable band priority selection (prefer 2.4GHz or prefer 5GHz) to reduce RF interference in dense industrial Wi-Fi deployments.
• Supported WLAN Security Mechanisms (expanded enterprise-grade suite): Cisco LEAP, IEEE 802.1X enterprise authentication framework, PEAP-MSCHAPv2, EAP-TLS, static WEP 40-bit / 128-bit encryption, WPA Personal/Enterprise, WPA2 Personal/Enterprise, AES block cipher media encryption, Cisco Centralized Key Management (CCKM) for fast secure inter-AP roaming, TKIP encryption and MIC message integrity check validation, IEEE 802.11h DFS dynamic frequency selection and TPC transmit power control for radar spectrum compliance in regulated industrial sites.
• Roaming Capability: Optimized Layer 2 fast secure roaming between Cisco Aironet dual-band 802.11a/b/g access points, maintaining uninterrupted active voice calls as users move across separate wireless coverage zones, with reduced audio dropouts via improved CCKM key caching algorithms. Supports U-APSD and PS-Poll power-saving Wi-Fi modes to extend battery runtime during idle standby periods.
• Network Configuration Methods: Fully automated zero-touch provisioning via DHCP server to retrieve TFTP firmware server address, CUCM registration IP address, wireless VLAN tagging configuration and device image files; manual static IPv4 addressing configuration supported for isolated lab/test deployments.
• Supported Network Standards & QoS: IPv4 only (no IPv6 protocol support), Cisco Discovery Protocol (CDP), 802.1Q tagged voice VLANs, IEEE 802.11e WMM Wi-Fi Multimedia QoS with TSPEC traffic specification and EDCA enhanced distributed channel access, 802.1p Layer 2 QoS traffic prioritization, DSCP differentiated services marking for voice media packets, QBSS load balancing, STUN NAT traversal for remote off-site WLAN deployments, SNTP network time synchronization for synchronized device clocks across the enterprise network.

2. Power Supply Architecture

1. Primary power source: Removable rechargeable lithium-ion battery pack for fully wireless portable mobile operation without wired power connections.
2. Secondary charging power source: Desktop charging cradle with dedicated 100–240 VAC universal input wall power adapter (included standard with each CP-7925G unit); the cradle supplies constant regulated DC power to recharge the installed battery pack and supports dock-in hands-free calling via its integrated speakerphone audio hardware when the handset is seated on the cradle for stationary desk use.
3. No PoE support: This wireless portable handset does not utilize Power over Ethernet (PoE); PoE power delivery is exclusive to wired desktop IP phone models within the 7900 series portfolio.

3. Hardware Interfaces (Handset Unit)

1. Removable lithium-ion battery compartment secured by rear chassis slide latch with reinforced dust seal
2. Dual integrated vertical/horizontal diversity Wi-Fi antenna array (top chassis extension)
3. Bottom electrical contact pins for power and audio communication with desktop charging cradle
4. Side-mounted 2.5mm TRRS four-conductor wired headset jack
5. Secondary side USB 1.1 master/slave port for debugging and peripheral connectivity
6. Internal Bluetooth 2.0+EDR wireless radio module (no external antenna jack)
7. No wired Ethernet LAN port, no expansion module connectors, no external DC power jack on the portable handset unit (all charging power delivered via cradle contact pins)

Core Telephony & Wireless Feature Set

All voice calling and wireless network configuration features are centrally provisioned, deployed and managed via Cisco Unified Communications Manager (CUCM), CUCM Express or SRST gateways using SCCP signaling; local handset menu adjustments (ringtone profiles, display backlight timeout, audio volume presets) are configurable by end users directly on the device without enterprise IT administrator intervention.

1. Multi-Line Multi-Call Handling Supports up to six independent corporate directory number (DN) line appearances with multi-call-per-line functionality, enabling multiple concurrent incoming/outgoing active voice calls per line plus native call waiting alerting for new inbound calls during existing active conversations. Supported core call handling functions: consultative supervised call transfer, blind unsupervised transfer, three-way ad-hoc audio conference calling, call hold/resume, one-touch mute, call park, directed call pickup, group call pickup, all-condition call forward (unconditional / busy line / no answer timeout), Caller ID name/number display for all inbound ringing calls, automatic last-number redial, pre-dial number editing before call initiation, intercom auto-answer for internal department peer communications. Eight dedicated speed-dial hotkeys mapped to numeric keypad digits 2–9 for instant one-touch dialing of frequently used extensions, customer PSTN numbers or conference bridge access lines. Advanced enterprise call features include MLPP multilevel precedence and preemption, barge/cbarge, meet-me conference, callback and malicious caller ID logging.
2. Directory & Call Log Productivity Features Wireless network access to centralized corporate LDAP user directories with real-time search functionality directly from the handset color LCD screen; local persistent flash memory storage for three separate call log categories: all dialed outgoing calls, all received answered incoming calls, all missed/unanswered ringing calls. All log entries store full Caller ID information, precise call timestamps and total call duration data, with one-touch callback capability for all stored log entries.
3. Voicemail Message Waiting Indicator (MWI) Integration Native SCCP MWI notification synchronization with Cisco Unity / Unity Connection voicemail servers; visual color text alert banner displayed prominently on the handset LCD screen alongside a dedicated voicemail menu hotkey for one-touch direct access to voicemail message playback, message deletion and personalized voicemail greeting configuration. The top tri-color LED illuminates steady red as a persistent visual MWI alert when unheard voicemail messages exist.
4. User Customizable Profiles & Local Settings Multiple pre-built user operation profiles allowing instant one-touch switching of ringtone sets, ring volume levels, alert tones, vibrate mode activation, display backlight timeout durations, and audio volume presets optimized for different workplace environments (quiet private office, noisy manufacturing warehouse, clinical hospital ward). End users can adjust device display contrast, keypad lock PIN codes, wireless network profile authentication credentials, Bluetooth headset pairing management, and local audio settings directly via the handset menu system without CUCM administrator intervention.
5. Wireless LAN & Enterprise Security Features Full suite of enterprise-grade wireless authentication and encryption protocols to comply with strict corporate IT security policies; CCKM fast secure roaming eliminates dropped voice calls during inter-access-point movement across site coverage zones; handset device lock PIN functionality prevents unauthorized device access if lost or stolen, with all stored local call logs and directory entries protected by PIN authentication. Factory preloaded security firmware supports TLS encrypted SCCP signaling and SRTP encrypted voice media streams for confidential corporate voice communications across wireless LAN infrastructures. CAPF certificate authority proxy functionality automates device certificate provisioning for TLS/SRTP security enforcement, and all local device configuration files stored in flash memory are fully encrypted at rest to prevent sensitive credential exposure if the handset is physically compromised.
6. XML Extensible Markup Language Application Support The color LCD screen renders custom XML enterprise web applications hosted on corporate internal TFTP/HTTP servers, enabling mobile workers to access real-time business data directly on their wireless handset without a separate PC or tablet device, including hospital patient care directories, retail store inventory lookup, staff shift schedules, building facility contact lists, corporate cafeteria menus and real-time manufacturing production line status dashboards. Cisco Compatible Extensions (CCX) Version 4.0 compliance ensures standardized XML application interoperability across Cisco enterprise wireless infrastructure.

Security & Remote Device Management Capabilities

1. End-to-End Encrypted Wideband/Narrowband Voice & Signaling Communications TLS transport layer encryption for all SCCP call setup, control, and configuration signaling traffic between the wireless handset and CUCM server; SRTP AES encrypted RTP voice media data streams to prevent unauthorized wireless LAN packet sniffing and interception of confidential corporate voice conversations across dual-band Wi-Fi infrastructure. All wireless WLAN user authentication credentials (usernames, passwords, pre-shared keys) are stored encrypted in the handset’s internal flash memory storage to avoid plaintext credential leakage.
2. Multi-Tier Access Permission Controls Dual-level access restriction architecture: administrator-level locked network provisioning and CUCM registration configuration menus (protected by admin PIN code, editable only by enterprise IT staff), and end-user-accessible local device setting menus (ringtones, display brightness, keypad lock, Bluetooth pairing) configurable by mobile workers without administrator credentials. Password-locked factory reset function prevents unauthorized full device configuration erasure if the handset is lost or stolen, requiring the administrator PIN code to execute a complete factory default wipe.
3. Centralized TFTP Auto-Provisioning & Unattended Firmware Upgrades Fully automated remote bulk device configuration deployment and firmware image upgrade management via standard TFTP server infrastructure integrated with CUCM; the CP-7925G automatically retrieves its unique device configuration file, wireless network profiles, XML application definitions and latest firmware version upon every power-on boot cycle without manual on-site IT intervention. Multiple official firmware generations with incremental feature and security enhancements are supported via centralized TFTP upgrade workflows.
4. Centralized Enterprise Device Monitoring & Network Diagnostics Full device real-time status tracking available within the CUCM administrative management console, including wireless handset online/offline registration state, active line call status, wireless access point association information, Wi-Fi RSSI signal strength, remaining battery charge level, installed firmware version number, and historical call session audit logging for complete enterprise voice communications traceability and troubleshooting. Built-in on-device network diagnostic tools include wireless site survey signal strength scanning and ping utility testing to validate wireless LAN connectivity and CUCM server reachability for on-site IT troubleshooting teams. An embedded local web server on the handset enables remote HTTPS access to device status statistics and read-only configuration data for off-site monitoring.

Environmental & Regulatory Compliance Certifications

• Electromagnetic Interference Compliance: FCC Part 15 Class B, CE EMC Directive, AS/NZS CISPR22 Class B, ICES-003 Class B, VCCI Class B
• Electrical Safety Certifications: UL / C-UL 60950 Second Edition, EN 60950 Second Edition (A11 amendment), IEC 60950 Second Edition, CSA C22.2 No. 60950, AS/NZS 60950, GB4943 China national electrical safety standard
• Telecommunications & Wireless Radio Regulatory Approvals: FCC Part 68 telephony terminal device certification, FCC Part 15 wireless radio transmission certification, TIA 810A HAC hearing-aid compatibility standard
• Material Compliance: Lead-free, latex-free construction materials, RoHS hazardous substance compliance for commercial enterprise deployment
• Memory Architecture: 8MB internal flash memory for persistent firmware storage, local call log history, speed dial entries, wireless network profile credentials, encrypted user device configuration settings and XML application cache data; 32MB SDRAM runtime memory allocated for SCCP wideband/narrowband voice call processing, dual-band wireless radio stack operation and XML enterprise application rendering.
• Lifecycle Status: Long-discontinued End-of-Sale (EoS) product; Cisco terminated all hardware production many years ago, with only limited critical security vulnerability and severe bug-fix maintenance support remaining active, no new feature firmware development or original hardware spare part production planned.
• Standard Warranty: One-year limited Cisco hardware warranty covering manufacturing defects in the wireless handset unit, standard/extended lithium-ion battery pack, and desktop charging cradle with integrated speakerphone, valid for commercial enterprise deployments worldwide.

Key Specification Bullet Points

• Model Number: Cisco CP-7925G Unified Dual-Band Rugged Wireless IP Phone (SCCP Only)
• Device Type: Rugged Portable IEEE 802.11a/b/g Dual-Band Wireless VoIP Handset (No Wired Ethernet/PoE), Wideband G.722 HD Audio Support, 2-inch Color LCD Display, Bluetooth 2.0+EDR Wireless Headset Support, IP54 Dust/Splash Resistance, MIL-STD-810F Shock Rated, Desktop Charging Cradle with Integrated Speakerphone Included
• Supported Telephony Protocols: SCCP (Skinny Client Control Protocol) Only; SIP / MGCP Unsupported
• Supported Voice Audio Codecs: Wideband G.722 (16kHz HD Voice, TIA 920 Compliant), Narrowband G.711a-law, G.711u-law, G.729a Low-Bitrate Compression Codec, G.729ab Comfort Noise Optimized Codec, iLBC Internet Low-Bitrate Speech Codec
• Wireless LAN Standard: Dual-Band IEEE 802.11a (5GHz) / 802.11b/g (2.4GHz) OFDM/DSSS Radio, Automatic Band Autosensing and User-Configurable Band Priority
• Wireless Security Suite: Cisco LEAP, IEEE 802.1X, PEAP-MSCHAPv2, EAP-TLS, Static WEP 40/128-bit, WPA/WPA2 Personal/Enterprise, AES Media Encryption, CCKM Fast Secure Roaming, TKIP/MIC Integrity Validation, 802.11h DFS/TPC Radar Compliance
• Display: 2-inch Full-Color Backlit LCD Screen (176×220 QVGA Resolution); Adjustable Backlight Timeout Power-Saving Modes, XML Enterprise Application Color Rendering, Call Log / LDAP Directory / MWI Alert / RSSI / Battery Level Indicator Display
• Fixed Hardware Function Keys: Up to 6 Multi-Line DN Appearances, 8 Speed-Dial Hotkeys, Left/Right Context Softkeys, Four-Way Navigation Rocker with Central Select Button, Green Answer/Send Key, Red End/Power Key, Mute Key, Volume Adjustment Rocker, Dedicated Menu Hotkey, Keypad Lock PIN Security Shortcut
• Audio Features: HAC Hearing-Aid Compatible Wideband/Narrowband Handset Receiver, Built-In Omnidirectional Noise-Canceling Microphone & Internal Multi-Tone Ringer Speaker, Full-Duplex Acoustic Echo Cancellation, VAD Voice Activity Detection, CNG Comfort Noise Generation, Packet Loss Concealment, Dynamic Ambient Noise Reduction, Multiple Customizable Ringtone Profiles + Vibrate Alert Mode
• Physical Interfaces: Removable Lithium-Ion Battery Compartment, Dual Integrated Vertical/Horizontal Diversity Wi-Fi Antenna Array, Bottom Charging Cradle Electrical Contact Pins, Side 2.5mm TRRS Four-Conductor Wired Headset Jack, Side USB 1.1 Master/Slave Debug/Peripheral Port, Internal Bluetooth 2.0+EDR Wireless Radio Module; No Wired Ethernet Port, No Expansion Module Connectors, No Handset DC Power Jack
• Power Specifications: Removable Rechargeable Lithium-Ion Battery (Two Options: Standard = 9.5h Talk / 180h Standby; Extended = 13h Talk / 240h Standby); Desktop Charging Cradle with Integrated Speakerphone + Universal 100–240 VAC AC Power Adapter (Included); No PoE Support
• Mounting Options: Portable Handheld Mobile Operation, Desktop Docked Charging/Hands-Free Speakerphone Use; Optional Separate Wall-Mount Charging Cradle, Rotating Belt Holster, Hard Rugged Protective Case, Leather Carry Sleeve and Multi-Unit Rack Charger Accessories Sold Separately
• Supported QoS & Networking Features: IPv4 DHCP Auto-Provisioning / Static IP Configuration, CDP, 802.1Q Voice VLAN Tagging, 802.1p Layer 2 QoS Prioritization, DSCP Differentiated Services Marking, IEEE 802.11e WMM QoS (TSPEC / EDCA), QBSS Load Balancing, U-APSD / PS-Poll Wi-Fi Power Saving Modes, CCKM Fast Wireless Roaming, STUN NAT Traversal, SNTP Network Time Sync, TFTP Firmware Auto-Upgrade, Embedded HTTPS Local Web Server for Device Statistics
• Security Features: TLS Encrypted SCCP Signaling, SRTP AES Encrypted Wideband/Narrowband Voice Media Streams, Encrypted Stored Wireless Authentication Credentials & Local Configuration Files, CAPF Automatic Device Certificate Provisioning, Dual-Tier Admin/User PIN Access Control, Password-Locked Factory Reset Function
• Core Telephony Call Features: Up to 6 Independent DN Line Appearances, Multi-Call-Per-Line with Call Waiting, Call Transfer (Blind/Consultative), Three-Way Wideband Audio Conference, Hold/Resume, One-Touch Mute, Call Park, Directed/Group Call Pickup, All-Condition Call Forward (Unconditional/Busy/No Answer), Caller ID Name/Number Display, Auto Redial, Pre-Dial Number Editing, Intercom Auto-Answer, 8 Speed-Dial Hotkeys, MLPP Multilevel Precedence & Preemption, Barge/CBarge, Meet-Me Conference, Callback, Malicious Caller ID Logging
• Productivity Features: Wireless Network Access to Centralized LDAP Corporate User Directory Search, Local Persistent Flash Memory Call Log Storage (Dialed Outgoing / Received Answered / Missed Incoming Calls), One-Touch Voicemail MWI Access Portal, Multiple Customizable User Operation Profiles, Keypad Lock PIN Security, Bluetooth 2.0+EDR Wireless Headset Pairing Management, XML Custom Enterprise Business Application Rendering (CCX Version 4.0 Compliant)
• Management Tools: TFTP Centralized Zero-Touch Auto-Provisioning & Bulk Remote Firmware Upgrades, CUCM Administrative Console Real-Time Device Status Monitoring & Call Session Syslog Audit Logging, On-Board Wireless Site Survey Signal Strength Scanner & Ping Network Diagnostic Utility, Embedded Local HTTPS Web Server for Read-Only Device Statistics & Configuration Status
• Target Deployment Scenarios: Mobile enterprise workers requiring rugged roaming wideband VoIP voice communications across on-site dual-band 802.11a/b/g Wi-Fi coverage zones; manufacturing plant operators, warehouse logistics personnel, retail store associates, hospital clinical staff, campus facility maintenance teams, and industrial shift-based mobile office employees; corporate unified communications environments running Cisco CUCM / CUCM Express / SRST SCCP telephony infrastructure with existing Cisco Aironet dual-band wireless access point networks requiring IP54 dust/splash ruggedized handsets and Bluetooth wireless headset support
• Lifecycle Status: Long-Discontinued End-of-Sale (EoS); Limited Critical Security/Bug Maintenance Support Only, No New Feature Firmware Development or Original Hardware Spare Part Production
• Warranty: Standard One-Year Limited Cisco Hardware Warranty for Commercial Enterprise Worldwide Deployments

Model Quick Reference

The Cisco CP-7925G is Cisco’s third-generation ruggedized portable dual-band IEEE 802.11a/b/g wireless VoIP handset within the 7900 Unified IP Phone series portfolio, exclusively supporting SCCP signaling for integration with Cisco CUCM/CUCM Express/SRST unified communications servers, with no native SIP protocol support.

Core Differentiators Separating CP-7925G from Second-Generation CP-7921G Wireless Handset

1. Industrial ruggedized chassis with IP54 dust/splash resistance and MIL-STD-810F shock/vibration certification (CP-7921G standard plastic housing without ingress protection)
2. 2-inch full-color LCD display replacing CP-7921G’s monochrome grayscale screen
3. Native integrated Bluetooth 2.0+EDR wireless headset pairing support (CP-7921G only supports wired 2.5mm headsets, no Bluetooth)
4. Optimized lithium-ion battery power management with longer standby/talk runtime for industrial shift deployments
5. ADA-compliant tactile 5-key marker and textured glove-friendly grip design
6. Expanded rugged accessory ecosystem (rotating belt holster, hard protective case, multi-unit rack chargers) unavailable for the CP-7921G
7. Upgraded noise-canceling microphone and speakerphone hardware optimized for loud industrial manufacturing environments

Distinction from All Wired Desktop 79XX IP Phones (CP-794X / 796X / 797X)

Fully battery-powered portable wireless operation over dual-band Wi-Fi networks, no wired Ethernet connection or PoE power requirements, compact handheld mobile form factor with desktop charging cradle, power-saving color LCD screen optimized for battery longevity, dedicated enterprise wireless roaming and RF security feature sets absent from fixed-location wired desk IP phones, plus industrial IP54 rugged construction and Bluetooth wireless headset support unique to the CP-7925G wireless handset line.

Primary Deployment Value Proposition

Delivers full enterprise-class Cisco VoIP telephony feature parity with wired desk phones for mobile on-site industrial, clinical and retail workforce personnel, leveraging existing corporate dual-band 802.11a/b/g wireless LAN infrastructure to eliminate fixed desk location calling limitations. Supports high-fidelity wideband HD voice communications, comprehensive enterprise wireless encryption and authentication security compliance, centralized CUCM management via zero-touch TFTP auto-provisioning, extensible XML business application access directly on the portable handset unit, industrial-grade IP54 dust and splash ruggedization for harsh workplace environments, native Bluetooth wireless headset compatibility for hands-free mobile operation, and long-duration lithium-ion battery runtime optimized for all-day shift-based deployments in manufacturing, healthcare and logistics facilities.