Cisco CP-7942G Full English Product Description

Listing Title

Cisco CP-7942G Unified 2-Line Wideband IP Desk Phone (Dual SCCP / SIP Protocol), 5-inch High-Res 320×222 4-Bit Grayscale Backlit LCD Display, Dual 10/100BASE-TX Fast Ethernet Integrated Switch Ports for PC Passthrough, Dual Power Compatibility (Legacy Cisco Pre-Standard Inline Power + IEEE 802.3af Class 2 PoE), Full-Duplex Echo-Canceling Wideband Hands-Free Speakerphone, Two Programmable Backlit Tricolor BLF Line Keys, Dedicated Independent Function Hard Keys (Messages, Directories, Settings, Services, Help), Built-In RJ9 Headset Port, HAC Hearing-Aid Compatible Wideband Handset, Textured Dark Gray ABS Chassis with Silver Decorative Bezel, 0–60° Fully Adjustable Desktop Foot Stand, Wall Mountable, Ideal for Transactional Office Staff, Department Supervisors, Small Business Managers and Medium-Traffic 2-Line Enterprise VoIP Deployments

Full Commercial Overview

The Cisco CP-7942G is a premium full-featured two-line enterprise wideband IP phone within the Cisco Unified IP Phone 7900 Series, engineered for transactional office employees and supervisors handling moderate-to-high daily call volumes. It is the upgraded successor to the CP-7941G, bringing a larger, higher-resolution grayscale LCD, native wideband G.722 audio codec support, expanded dedicated one-touch function keys, enhanced XML application rendering and robust built-in enterprise security architecture with factory-preloaded X.509v3 digital certificates.

This phone supports dual native VoIP signaling protocols for maximum deployment flexibility: proprietary SCCP (Skinny Client Control Protocol) for Cisco Unified Communications Manager (CUCM/CallManager) v4.1 and later, and open standard SIP v2 for third-party SIP PBX systems, Cisco Unified Communications Express (CCME) and Cisco Unified SRST disaster recovery fallback gateways.

Core Hardware & Feature Differentiators vs Other 7900 Series Models

1. 5-inch high-resolution 320×222 4-bit grayscale backlit LCD: Larger screen and higher pixel density than CP-7941G’s smaller display; supports Unicode double-byte character sets for multi-language global deployments and richer XML enterprise service rendering.
2. Native wideband audio support (G.722 codec): Delivers HD wideband voice across handset, headset and speakerphone; complies with TIA 920 wideband audio standards, a key upgrade over CP-7940/7941G limited narrowband codec sets.
3. Five independent dedicated hard keys (Messages, Directories, Settings, Services, Help): Separated fixed function keys eliminate reliance on softkey navigation for core directory, voicemail and device configuration tasks, improving daily usabilityCisco.
4. Two programmable backlit tricolor BLF line keys: Supports two independent directory numbers, multi-call handling and real-time BLF presence monitoring for co-worker extensions, distinguishing it from all single-line 7911G/7912G entry models.
5. Dual integrated 10/100 Fast Ethernet switch ports: Separate LAN uplink and PC access port to daisy-chain cubicle desktop PCs without extra wall network jacks.
6. Full-duplex echo-canceling wideband speakerphone: Integrated microphone for two-way conference calls, unlike the monitor-only speaker on low-tier CP-7906G and earlier basic phones.
7. Built-in dedicated RJ9 headset port: Native wired headset support without separate adapter hardware, absent from entry-level single-line 7912G models.
8. Dual PoE power compatibility: Works seamlessly with legacy Cisco pre-standard inline power and official IEEE 802.3af Class 2 PoE switches, compatible with mixed-generation corporate network infrastructure.
9. Enhanced enterprise security suite: Factory pre-installed X.509v3 digital authentication certificates, AES-128 encrypted SRTP media streams and TLS 1.2 encrypted signaling out of the box中关村在线.

The unit features a scratch-resistant textured dark gray recyclable ABS plastic chassis paired with a silver decorative front bezel. It ships with a fully adjustable foot stand supporting 0° to 60° tilt angles for ergonomic LCD viewing; the foot stand can be fully detached for vertical wall mounting via keyed rear chassis cutouts. No additional wall-mount bracket is mandatory, with optional dedicated wall mount accessories available separately.

The CP-7942G reached official End-of-Sale (EoS) status many years ago; only limited critical security vulnerability and bug-fix maintenance support remains active, with no new feature firmware releases planned. Remote bulk provisioning, unattended mass firmware upgrades and centralized device monitoring are fully supported via TFTP auto-provisioning servers and embedded HTTPS web administration portal, fully compatible with CUCM, CUCM Express and Cisco Unified SRST fallback voice gateways.

Hardware & Physical Design Architecture

1. Chassis & Mounting Options

• Form factor: Low-profile desktop body equipped with a fully adjustable foldable foot stand (0°–60° tilt) for customizable ergonomic LCD viewing angles; foot stand can be fully removed for vertical wall mounting via keyed integrated rear chassis cutouts.
• Chassis material: Textured matte dark gray rigid recyclable polycarbonate ABS plastic with silver front decorative bezel, scratch-resistant for daily shared office workspace usage.
• Physical Dimensions (H × W × D, excluding handset): 203.2mm × 266.7mm × 152.4mm (8 × 10.5 × 6 inches).
• Total Unit Weight (including standard coiled wideband handset): Approximately 1.6 kg (3.5 lbs).
• Operating Environment (Indoor Use Only): Operating Temperature: 0°C ~ +40°C (32°F ~ 104°F) Storage Temperature: -10°C ~ +60°C (14°F ~ 140°F) Operating Humidity: 10% – 95% non-condensing Storage Humidity: 10% – 95% non-condensing

2. Key Layout, LCD Display & Control Hardware

The CP-7942G integrates a large high-resolution backlit 4-bit grayscale LCD paired with dedicated independent function keys and two backlit programmable BLF line keys, optimized for high-volume dual-line office call workflows:

1. 5-inch backlit 4-bit grayscale graphical LCD display: 320×222 pixel high-resolution screen with adjustable contrast and backlight brightness; supports visual Caller ID name/number, real-time call timers, local call history logs, XML visual enterprise application rendering, Unicode double-byte character language support, system menu navigation, date/time clock, dual-line status indicators and voicemail MWI alert notifications.
2. Two vertical backlit tricolor LED illuminated programmable BLF line keys: Visual real-time line state signaling for two independent DNs (solid green = idle line; solid green steady = active call/intercom; flashing green = held call; steady amber = DND/privacy/one-way intercom; flashing amber = incoming/reverting call; solid red = remote shared line in use / BLF occupied status)Cisco.
3. Five dedicated independent one-touch fixed function hard keys: Messages, Directories, Settings, Services, Help, providing instant access to core phone features without navigating softkey menusCisco.
4. Standard 12-key tactile numeric dial pad (0–9, *, #) with rounded tactile keys compliant with ADA global accessibility standards for easy dialing in busy office environments.
5. Four context-sensitive dynamic softkeys positioned directly below the LCD screen, dynamically mapped to real-time on-screen menu options for call transfer, three-way conference, speed dial management and advanced call feature configuration.
6. Central five-way directional navigation rocker with integrated select button for scrolling contact directories, call logs and device configuration menus.
7. Auxiliary dedicated control keys: Volume Up/Down rocker (adjustable decibel tuning for handset receiver, speakerphone and ringtone output), Redial shortcut key, End Call key, dedicated Mute hard key with status LED, dedicated Speakerphone hard key with status LED.
8. Vertical red Message Waiting Indicator (MWI) LED on the top chassis edge to notify users of unheard voicemail messages, with persistent steady red illumination until voicemail portal retrieval.
9. Built-in full-duplex echo-canceling wideband hands-free speakerphone with integrated microphone for two-way conference audio; dedicated RJ9 modular analog headset jack integrated on the chassis for permanent wired headset connections during long-duration private calls.

3. Wideband Audio Subsystem & Supported Voice Codecs

• Ergonomic analog coiled wideband handset with noise-isolating receiver, certified HAC (Hearing-Aid Compatible) to meet TIA 810A and ADA global accessibility standards for users wearing hearing assistive devices; supports magnetic coupling with approved hearing aids.
• Full-duplex echo-canceling wideband hands-free speakerphone with integrated microphone, optimized for clear two-way conference call audio, with automatic acoustic feedback suppression and background noise reduction.
• Dedicated RJ9 modular analog headset port supporting all standard wired office headsets for long-duration private calls.
• Supported voice audio encode/decode codecs for SCCP/SIP media streams: G.722 wideband HD audio, G.711a-law, G.711mu-law, G.729a, G.729AB low-bitrate codec, iLBC high-efficiency low-bandwidth codec.
• Voice quality optimization features: Voice Activity Detection (VAD), Comfort Noise Generation (CNG), silence suppression, error concealment and adaptive acoustic echo cancellation to eliminate artificial silent line background noise during idle call periods.

Network, Power & Hardware Interfaces

1. Dual 10/100BASE-TX Fast Ethernet Switched RJ45 Ports

Two auto-sensing 10/100Mbps Fast Ethernet ports with integrated mini internal network switch, enabling seamless daisy-chaining of desktop PCs without additional wall-mounted network jacks, reducing office cabling infrastructure costs:

• Primary WAN Network Port (labeled “10/100 SW”): Connects the IP phone to corporate LAN switches, VoIP gateways or CUCM voice servers for SCCP/SIP call control signaling and RTP voice media data streams.
• Secondary PC Access Port (labeled “10/100 PC”): Provides direct Fast Ethernet wired network connectivity for attached laptops, desktop workstations or POS terminals routed through the phone’s integrated switch.

Supported networking standards: IPv4 addressing only (DHCP dynamic IP assignment or static manual IP configuration), Cisco Discovery Protocol (CDP), LLDP-MED device discovery, 802.1Q voice VLAN tagging, 802.1p Layer 2 QoS traffic prioritization, DSCP differentiated services marking, STUN NAT traversal for remote branch office deployments, SNTP network time synchronization, native support for Cisco Unified SRST SIP fallback registration for WAN connectivity failure disaster recovery.

2. Dual Power Supply Options (Pre-Standard / IEEE 802.3af Class 2 PoE Primary Power)

1. Native dual-compatibility Power over Ethernet support (primary power source): Compatible with both legacy Cisco pre-standard inline power and official IEEE 802.3af Class 2 PoE network switches, enabling centralized network power management for standard office cubicle deployments. Input rating: 48V DC PoE power input from all compliant Cisco Catalyst PoE switches; typical power draw 0.2A at 48VDC.
2. Optional external 48V DC universal AC-to-DC power cube (sold separately, part number CP-PWR-CUBE-3=) for non-PoE network environments lacking PoE-enabled switches; regional country-specific AC power cords available as separate accessories.

3. Rear Panel Physical Interfaces

1. RJ11 modular handset jack for connecting the coiled wideband handset cord
2. Dual RJ45 10/100 Fast Ethernet PoE switched ports (Network uplink + PC access port)
3. Dedicated RJ9 analog headset audio jack
4. DC 48V auxiliary power input jack for optional external AC power adapter
5. Recessed pinhole password-protected factory reset button to restore all device firmware and configuration settings to factory default values

Core Telephony Feature Set

All calling and device configuration functions are provisioned via CUCM / Cisco Unified SRST / third-party SIP PBX auto-provisioning templates; routine call operations are triggered via dedicated independent function keys, LCD softkey navigation or dedicated physical Hold, Mute, Speakerphone and Volume keys:

1. Dual-Line Multi-Call Handling Supports two independent directory number (DN) line registrations with multi-call-per-line appearance, enabling multiple concurrent active calls on each office line plus native call waiting functionality. Call hold, consultative call transfer and three-way ad-hoc audio conference calls are accessed via LCD softkey menus. Supports call swap between multiple active calls, automatic last-number redial via dedicated Redial key. Dual line keys support BLF presence monitoring for multi-user shared front-office auxiliary voice lines. SCCP mode supports Cisco Unified Video Advantage video calling (video features unavailable under SIP signaling mode).
2. Caller ID & Personalization Features Visual Caller ID name/number displayed on the large backlit grayscale LCD screen; adjustable ringtone volume and more than 24 selectable distinct ringtone tone options, customizable unique ring alert patterns for internal vs external incoming calls. Local device configuration menu accessible via dedicated Settings hard key for volume, ringtone and network parameter adjustments. Multiple configurable local speed dial numbers programmed via CUCM server-side settings or local phone menus. Multi-language menu support for over 20 global languages, including Unicode double-byte character sets for Asian regional deployments.
3. Standard Office Workplace Calling Functions One-touch redial via dedicated physical key, persistent MWI voicemail indicator via LCD screen pop-up alerts and top chassis MWI LED, call forward all/busy/no answer routing rules configurable via CUCM/SIP PBX server-side settings, call park and call pickup functionality, intercom auto-answer calling for cross-department internal staff coordination, toll bar call blocking override support for authorized emergency outbound calling, Extension Mobility (EM) user profile roaming support for shared office workstations.
4. Local Call Log Storage Onboard persistent flash memory storage for dialed outgoing calls, received answered calls and missed incoming calls; call history data fully viewable via the phone’s large graphical LCD screen or embedded web administration portal.
5. Voicemail MWI Integration Native Message Waiting Indicator (MWI) notification delivered via SCCP/SIP SUBSCRIBE/NOTIFY messaging; visual pop-up LCD screen alerts plus steady red chassis MWI LED illumination notify users of unheard voicemail messages, with voicemail portal retrieval accessible via dedicated Messages one-touch hard key.
6. Supported Security Call Features Anonymous incoming call rejection, outbound caller ID blocking configurable via PBX/server-side settings, end-to-end encrypted SCCP/SIP call control signaling (TLS 1.2) and encrypted wideband voice media streams (SRTP AES 128-bit encryption) for secure confidential office voice communications. Factory pre-installed X.509v3 digital authentication certificates enable native device identity verification against CUCM servers out of the box, eliminating manual certificate deployment steps for enterprise security policies中关村在线.

Security & Remote Device Management Capabilities

1. End-to-End Encrypted Wideband Voice & Signaling Communications TLS transport layer encryption for all SCCP/SIP call setup and control signaling; SRTP AES-128 encrypted RTP wideband voice media data streams to prevent unauthorized wired or wireless call audio interception on shared corporate office network infrastructures. Factory preloaded X.509v3 identity certificates eliminate manual certificate provisioning overhead for enterprise network security compliance.
2. Multi-Tier Access Permission Controls Separate administrator and end-user access privilege levels protected by unique alphanumeric authentication passwords; password-locked factory reset function to block unauthorized wiping of shared office line registrations, speed dial configuration data and network provisioning parameters.
3. Centralized Auto-Provisioning & Unattended Firmware Upgrades Fully unattended remote bulk firmware upgrades pushed via TFTP secure auto-provisioning servers, fully compatible with CUCM, CUCM Express and Cisco Unified SRST SIP fallback voice gateways. Embedded HTTPS web-based local administration portal for on-site device configuration and real-time dual-line registration status monitoring.
4. System Monitoring & Built-In Network Diagnostics Real-time device status tracking available via CUCM / Cisco Unified SRST management consoles, including online/offline LAN connectivity status, dual SCCP/SIP line registration state, active call session auditing and centralized syslog event logging for complete office network telephony audit trails; integrated built-in ping diagnostic tool for local LAN connectivity troubleshooting.

Environmental & Regulatory Compliance Certifications

• Regulatory EMI/EMC: FCC Part 15 Class B electromagnetic interference compliance, CE marking per EU EMC directive, AS/NZS CISPR22 Class B certification, ICES-003 Class B, VCCI Class B.
• Safety certifications: UL / C-UL 60950 Second Edition electrical safety certification, EN 60950 Second Edition (including A11 and A12), IEC 60950 Second Edition, CSA C22.2 No. 60950, AS/NZS 60950, GB4943 China national electrical safety standard.
• Telecom regulatory approvals: FCC Part 68 telecom terminal device certification, TIA 810A HAC hearing aid compatibility standard, TIA 920 wideband audio compliance.
• Memory architecture: 8MB flash memory for persistent firmware, speed dial and network configuration storage; 32MB SDRAM runtime memory for SCCP/SIP wideband call processing and network stack operation.
• Lifecycle Status: Long-discontinued End-of-Sale (EoS); limited critical security/bug maintenance support only, no new feature firmware development.
• Warranty: Standard one-year limited Cisco hardware warranty for commercial office, retail and small business end-user deployments.

Key Specification Bullet Points

• Model Number: Cisco CP-7942G (Textured Dark Gray Two-Line Wideband Unified IP Phone with Silver Bezel; No alternate white chassis variant available)
• Device Type: Premium Full-Featured Two-Line Wideband Unified IP VoIP Desk Phone (Dual Native SCCP / SIP Dual Protocol), 5-inch 320×222 Backlit 4-Bit Grayscale Graphical LCD Display, Dual 10/100BASE-TX Fast Ethernet Integrated Switch Ports for PC Passthrough, Full-Duplex Wideband Echo-Canceling Two-Way Hands-Free Speakerphone, Built-In Dedicated RJ9 Headset Port, Native G.722 Wideband HD Audio Support
• Supported Telephony Protocols: SCCP (Skinny Client Control Protocol) Primary for Cisco CUCM / UCME (supports Cisco Unified Video Advantage); SIP v2 Open Standard for Third-Party SIP PBX / Cisco Unified SRST Fallback (no video support)
• Supported Voice Audio Codecs: G.722 Wideband HD Audio, G.711a / G.711u, G.729a, G.729AB Low Bitrate Codec, iLBC High-Efficiency Low-Bandwidth Codec
• Display: 5-inch Backlit 4-Bit Grayscale Graphical LCD Screen; 320×222 High Pixel Resolution, Adjustable Contrast & Backlight Brightness, Multi-Language Global Menu Support, Unicode Double-Byte Character & XML Enterprise Application Rendering
• Fixed Hardware Function Keys: Two Programmable Backlit Tricolor BLF Line Keys, Five Independent Dedicated Hard Keys (Messages, Directories, Settings, Services, Help), Dedicated Hold, Redial, Transfer, Conference, Mute, Speakerphone Hard Keys; Four Dynamic LCD Context Softkeys, Five-Way Navigation Rocker, Standard ADA-Compliant 12-Key Numeric Dial Pad
• Audio Features: HAC Hearing-Aid Compatible Wideband Handset Receiver, Full-Duplex Echo-Canceling Two-Way Wideband Hands-Free Speakerphone, Built-In Dedicated RJ9 Headset Port, Native G.722 Wideband HD Audio Compliance (TIA 920), VAD Voice Activity Detection, CNG Comfort Noise Generation, Silence Suppression & Error Concealment, Adaptive Acoustic Echo Cancellation
• Physical Interfaces: 1 x RJ11 Handset Port, Dual 10/100BASE-TX RJ45 Fast Ethernet Switched PoE Ports (Network Uplink + PC Access Port), Dedicated RJ9 Headset Jack, 48V DC Aux Power Input Jack, Password-Protected Factory Reset Pinhole
• Power Specifications: Dual Compatibility Power Source (Legacy Cisco Pre-Standard Inline Power + IEEE 802.3af Class 2 PoE Primary Power); Optional Separate 48V DC Universal AC Power Cube (CP-PWR-CUBE-3=, Sold Separately)
• Mounting Method: 0–60° fully adjustable foldable desktop foot stand as standard; Wall mountable via keyed integrated rear chassis cutouts (Optional separate wall-mount accessory brackets available)
• Supported QoS & Networking Features: IPv4 DHCP/Static IP Assignment, CDP / LLDP-MED Device Discovery, 802.1Q Voice VLAN Tagging, 802.1p Layer 2 QoS Prioritization, DSCP Differentiated Services Marking, STUN NAT Traversal, SNTP Network Time Synchronization, Cisco Unified SRST Dual SIP Registration Support
• Security Features: TLS 1.2 Encrypted SCCP/SIP Call Signaling, SRTP AES 128-Bit Encrypted Wideband Voice Media Streams, Factory Pre-Installed X.509v3 Digital Authentication Certificates, Dual-Level Admin/User Password Access Control, Password-Locked Factory Reset, Embedded HTTPS Web Administration Interface
• Core Telephony Call Features: Two Independent SIP/SCCP Line Registrations with BLF Presence Monitoring, Multi-Call-Per-Line Appearance, Supports Multiple Concurrent Calls + Call Waiting, Softkey-Accessible Hold / Redial / Transfer / Conference Functions, Full-Duplex Two-Way Wideband Hands-Free Speakerphone, Built-In Headset Support, SCCP-Exclusive Cisco Unified Video Advantage Video Calling, LCD Pop-Up MWI Voicemail Message Waiting Alerts, Anonymous Call Rejection, Outbound Caller ID Blocking, Call Forward All/Busy/No Answer, Call Park & Call Pickup, Intercom Auto-Answer Calling, Extension Mobility (EM) User Profile Roaming, Toll Bar Call Block Override, Local Programmable Speed Dials, Local Call History Log Storage, XML LDAP Corporate Directory Lookup, XML Hosted Enterprise Application Rendering, Multi-Language Global Menu Support, Native TIA 920 G.722 Wideband HD Voice
• Management Tools: TFTP Secure Remote Auto-Provisioning, Unattended Bulk Remote Firmware Upgrades, Embedded Web-Based Local Admin Portal, CUCM / Third-Party SIP PBX Centralized Device Monitoring, Syslog Event Logging, Built-In Ping Network Diagnostic Tool
• Target Deployment Scenarios: General corporate office cubicle employee workstations, retail store supervisory back-office desks, small business manager multi-line front-desk telephones, medium-traffic two-line daily office VoIP environments requiring dual independent multi-call lines, BLF colleague presence monitoring, desktop PC passthrough network capability, permanent wired headset support, native wideband HD voice and SCCP video calling compatibility
• Lifecycle Status: Long-discontinued End-of-Sale (EoS); limited critical security/bug maintenance support only, no new feature firmware development
• Warranty: One-year limited Cisco hardware warranty

Model Quick Reference

• CP-7942G is the premium wideband dual-protocol two-line IP phone of the Cisco Unified IP Phone 7900 Series, supporting native SCCP (with video calling) and open SIP / SRST fallback protocols, purpose-built for general office staff, retail supervisors and small business managers with moderate-to-high daily call volumes, featuring two programmable backlit BLF line keys, large 5-inch high-resolution backlit grayscale LCD, native G.722 wideband HD audio, five independent dedicated one-touch function keys, full two-way wideband hands-free speakerphone, integrated dual-port Fast Ethernet switch for desktop PC daisy-chaining and native dedicated headset jack support.
• Core positioning: Premium full-featured two-line enterprise wideband VoIP endpoint with large high-resolution backlit 4-bit grayscale graphical LCD screen, differentiated from entry-level single-line 7900 models (CP-7911G / 7912G) by three critical hardware upgrades: two programmable backlit BLF line keys for dual independent DNs, native G.722 wideband HD audio support, five independent dedicated one-touch function hard keys. It is the upgraded successor to the CP-7941G, bringing a larger higher-resolution LCD, expanded codec set including wideband audio, enhanced dedicated function keys and factory-preloaded X.509v3 enterprise security certificates.
• Key internal series differentiation vs other 7900 series models:
  1. CP-7902G / CP-7905G / CP-7906G: Single line, monitor-only one-way speaker (no hands-free calling), single Ethernet port only (no PC passthrough), limited narrowband codecs only, no graphical LCD (7902G)
  2. CP-7911G / CP-7912G: Single line, basic full two-way narrowband hands-free speakerphone, dual Fast Ethernet switch ports for PC passthrough, smaller low-resolution LCD screen, no native wideband G.722 audio support, no dedicated independent Messages/Directories/Settings hard keys
  3. CP-7940G: Two independent multi-call lines with BLF presence monitoring, SCCP/SIP multi-protocol support, full two-way narrowband hands-free speakerphone, dual Fast Ethernet switch ports, non-backlit basic low-resolution monochrome LCD, no factory pre-installed digital security certificates, no wideband G.722 codec support
  4. CP-7941G: Two independent multi-call lines with backlit BLF presence monitoring, unified dual native SCCP/SIP dual-protocol support (SCCP video calling), full two-way narrowband hands-free speakerphone, dual Fast Ethernet switch ports, smaller low-resolution backlit grayscale LCD, limited narrowband codec set (no G.722 wideband audio), fewer dedicated function hard keys
  5. CP-7942G: Two independent multi-call lines with backlit BLF presence monitoring, unified dual native SCCP/SIP dual-protocol support (SCCP video calling), full two-way wideband echo-canceling hands-free speakerphone, dual Fast Ethernet switch ports, large 5-inch high-res 320×222 backlit grayscale LCD, native G.722 wideband HD audio codec support, five independent dedicated one-touch Messages/Directories/Settings/Services/Help hard keys, factory pre-installed X.509v3 digital authentication certificates
  6. CP-7960G / CP-7961G / CP-7962G: Six-line flagship high-capacity reception/executive model, large multi-column BLF programmable key panel for up to six directory numbers, identical wideband audio and networking hardware to CP-7942G
• Primary deployment advantage: Premium full-featured wideband two-line office VoIP solution balancing core enterprise telephony functionality, dual-line BLF colleague presence monitoring capability, native G.722 HD wideband voice quality for clearer conference calls, true two-way wideband echo-canceling hands-free conference calling functionality, integrated Ethernet switch eliminating extra wall network jacks for cubicle PCs, native dedicated headset port for long-duration private calls, unified dual-protocol compatibility supporting on-prem CUCM (with video calling), Cisco Unified SRST SIP fallback disaster recovery and third-party SIP PBX deployments, dual pre-standard/standard Class 2 PoE power compatibility for mixed-generation corporate switches, fully adjustable ergonomic tilt chassis form factor, flexible desktop or wall mounting, factory pre-installed security certificates for simplified enterprise security policy deployment, large high-resolution wide LCD screen with Unicode multi-language support and centralized remote mass provisioning and firmware upgrade management for multi-branch small business and enterprise office deployments.