Cisco CP-7936 (Cisco Unified IP Conference Station 7936) Full English Datasheet

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Cisco CP-7936 Unified IP Conference Station, Gray ABS enterprise VoIP conference phone, backlit adjustable LCD display, built-in full-duplex microphone & high-fidelity speaker, dual external expansion microphone ports, 10/100 Fast Ethernet, Power Interface Module (PIM) supporting PoE or separate AC power adapter, SCCP and SIP dual-protocol support, compatible with Cisco Unified Communications Manager (CUCM), CUCM Express, Webex Calling and standard SIP PBX systems, optimized for small-to-medium meeting rooms up to 20ft × 30ft, full-featured enterprise conference calling endpoint for corporate offices, branch meeting spaces and executive suitesbaynetwork....

Full Product Overview

The Cisco CP-7936 (Unified IP Conference Station 7936) is a dedicated IP-based hands-free conference phone in Cisco’s legacy 7900 series IP phone portfolio, upgraded from the CP-7935 model with enhanced audio performance, external microphone expansion capability and improved backlit LCD screen for low-light meeting roomsCisco.

Core Design & Functional Highlights

1. Integrated Full-Duplex Audio System: Built-in omnidirectional microphone array paired with re-tuned high-output speaker delivering maximum 86.5dB audio volume at 0.5 meters, with native acoustic echo cancellation and background noise suppression for distortion-free multi-party conference callsCisco. Two dedicated 3.5mm external microphone jacks support optional extension microphones to expand voice pickup range for larger meeting spaces.
2. Adjustable Backlit LCD Display: Backlight-enabled liquid crystal display with customizable font size and screen contrast, showing caller ID, active call status, conference participant information, local phone book entries and device network configuration data, ensuring readability in dimly lit conference roomsCisco.
3. Simplified IP Network Deployment: Equipped with a Power Interface Module (PIM) that consolidates Ethernet data connection and power input, supporting two power modes: IEEE 802.3af PoE via Catalyst Ethernet switches, or a separate universal AC/DC power cube (100–240V input) for non-PoE network environments. Supports DHCP automatic IP assignment and Cisco Discovery Protocol (CDP) for zero-touch onboarding and enterprise network asset managementCisco.
4. Complete Enterprise VoIP Feature Set: Native support for all standard CUCM/SIP call handling functions including multi-party meet-me conferences, call park, call transfer, call forwarding, group call pickup, mute, redial, call history storage and local 20-entry personal phone bookCisco.

Primary Enterprise Deployment Use Cases

1. Small and medium-sized corporate meeting rooms, department huddle spaces and executive office conference desks.
2. Remote branch office meeting facilities, retail corporate back-office spaces and education institution small seminar rooms.
3. On-premises CUCM/CUCM Express unified communications deployments, hybrid Webex Calling cloud PBX environments and third-party standard SIP voice platforms.
4. Standardized multi-location enterprise conference phone fleets requiring centralized bulk provisioning and remote firmware management.

Hardware & Physical Mechanical Specifications

Form Factor & Construction

• Chassis Material: Matte gray scratch-resistant ABS plastic, latex-free, RoHS compliant recyclable construction materialsCisco.
• Physical Dimensions (H × W × D): 31.5 cm × 30.2 cm × 5.7 cm (12.5 × 12 × 2.25 inches).
• Net Unit Weight (main conference station only): 0.8 kg (1.75 lbs)Cisco.
• Mounting: Desktop-only flat base design without wall-mount support; compact triangular chassis layout optimized for central conference table placement.

Operating Environmental Parameters

• Operating Temperature Range: 0°C to +40°C (32°F ~ 104°F).
• Non-Operating Storage Temperature Range: -30°C to +55°C (-22°F ~ 131°F).
• Relative Humidity: 10% – 90% non-condensing atmospheric humidity.
• Maximum Operational Altitude: Up to 3000 meters above sea level.

Global Compliance Certifications

FCC Part 15 Class B EMC, CE EMC 2014/30/EU, AS/NZS CISPR22, ICES-003, VCCI Class B; UL/CSA/EN/IEC 60950-1, IEC 62368-1 electrical safety; RoHS lead-free hazardous substance compliance.

Front Panel Control & Audio Hardware Layout

Backlit LCD Display Module

• Screen Specs: Monochrome backlit LCD panel, adjustable display contrast and scalable font size to accommodate distant viewing in large meeting rooms.
• Display Output Content: Caller ID name/number, line status indicators, active conference call timer, stored local phone book contacts, network IP address, firmware version, device menu and configuration settings.

Keypad & Function Button Layout

1. 12-key numeric alphanumeric dial pad (0–9, *, #) for manual extension and PSTN number dialing.
2. Three configurable soft keys below the LCD screen for context-sensitive call functions (transfer, conference, park, forward, etc.).
3. Central four-way navigation pad with select button for menu browsing, phone book scrolling and configuration adjustment.
4. Dedicated fixed function hard keys: Volume Up/Down rocker switch, Mute, Hold, Redial, Menu, End Call.
5. Multi-state LED status indicators for active calls, muted microphones and incoming ringing alerts.

Built-in & Expandable Audio Hardware

1. Integrated omnidirectional microphone array with full-duplex DSP echo cancellation, voice activity detection (VAD) and comfort noise generation (CNG) to eliminate background office ambient noise (HVAC fans, keyboard clicks, distant chatter) during callsCisco.
2. Re-designed high-output internal speaker grille for optimized speech frequency response, audio bandwidth ranging from 300Hz to 3500Hz narrowband HD voice, maximum output volume of 86.5 decibels at a 0.5-meter distanceCisco.
3. Dual 3.5mm external microphone expansion ports on the rear chassis, compatible with Cisco optional extension microphone kits (two microphones per kit with 6-foot connecting cables) to extend voice pickup coverage for full 20ft × 30ft meeting roomsbaynetwork....

Rear Panel Interfaces & Power Delivery System

1. Power Interface Module (PIM) Integrated RJ45 Fast Ethernet Port: 10/100 BASE-TX auto-negotiating LAN connection, keyed RJ45 connector compatible with CAT5 network cabling, maximum cable run length 100 meters (330 feet) to wiring closet switches. The PIM unit combines data transmission and power feed for simplified single-cable deployment.
2. Dual 3.5mm analog audio jacks for connecting optional external expansion microphones.
3. DC power input barrel jack for optional separate universal AC/DC power cube adapter (required for non-PoE network deployments).

Power Delivery Specifications

Mode 1: IEEE 802.3af PoE Powered Deployment

Primary power source for standard enterprise switch deployments; draws 48V DC PoE power from Cisco Catalyst Fast Ethernet switches via the PIM single Ethernet cable, eliminating separate power adapters for mass fleet installations. Fully compatible with CDP and LLDP-PoE for automatic power negotiation between switch and conference station endpoints.

Mode 2: Standalone AC Power Adapter Deployment

Optional universal external AC/DC power cube (separately ordered accessory), input voltage range 100–240V AC, 50/60Hz, 500mA output, for meeting room environments without PoE-capable network switches.

Power Efficiency Compliance

Cisco EnergyWise intelligent power management framework compatible; the conference station automatically enters low-power idle sleep mode during off-hours to reduce enterprise facility electrical consumption.

Supported VoIP Audio Codecs & DSP Audio Processing

Supported Narrowband VoIP Audio Compression Codecs

1. G.711 a-law / μ-law standard PSTN voice codec
2. G.729a low-bitrate compressed voice codec for bandwidth-constrained WAN links

Built-in Digital Signal Processing (DSP) Audio Features

1. Full-duplex acoustic echo cancellation (AEC) to eliminate speaker audio feedback loop into internal/ external microphones during multi-party conference calls.
2. Voice Activity Detection (VAD) + Comfort Noise Generation (CNG): Suppresses silent audio transmission over IP networks during quiet call segments and generates natural background comfort noise to avoid artificial dead-air silence for meeting participants.
3. Automatic Gain Control (AGC): Normalizes microphone input volume regardless of participant distance from the conference station or external expansion microphones.
4. Constant background noise filtering to suppress consistent environmental interference including HVAC fan hum, projector fan noise and distant office chatter.

Network, VoIP Protocol & Unified Communications Platform Compatibility

Supported Network Layer Protocols

DHCP dynamic IP address assignment (primary zero-touch provisioning method), static manual IP configuration, DNS domain name resolution, NTP network time synchronization, Cisco Discovery Protocol (CDP), IEEE 802.1Q VLAN tagging, IEEE 802.1X port-based enterprise network access authentication, TLS encrypted signaling transport, SRTP encrypted VoIP audio media streams, RFC4733 DTMF tone transport over SIP signaling channels.

Supported Call Control Signaling Protocols

1. SCCP (Skinny Client Control Protocol): Native full-feature integration with Cisco Unified Communications Manager (CUCM) and CUCM Express versions 8.x and newer releases, supporting all enterprise conference telephony features and centralized bulk device provisioning.
2. SIP (Session Initiation Protocol): Standard RFC-compliant SIP signaling for interoperability with Cisco Webex Calling cloud PBX and third-party open SIP PBX voice platforms.

Centralized Device Management & Auto-Provisioning Tools

1. TFTP Zero-Touch Auto-Provisioning: Automatically downloads device configuration templates, locale files and unified PhoneOS firmware images from centralized enterprise TFTP servers during initial device power-on boot cycle, eliminating manual local configuration setup for large global conference phone fleets.
2. CUCM/CUCM Express Device Administration GUI: On-premises enterprise voice management dashboard for line assignment, dial plan configuration, conference station feature template mapping and bulk remote firmware upgrade deployment.
3. Embedded Local HTTPS Web Administration Interface: Direct device-level configuration access via standard web browser from corporate LAN subnets; includes local diagnostic tools, configuration backup/restore functions and manual firmware upload capability.
4. Built-in On-Device Diagnostics Suite: Local ping test utility, network link status monitoring, audio input/output signal diagnostics and firmware version validation for on-site IT troubleshooting.

Enterprise-Grade Security Features

1. Secure boot firmware validation: Cryptographic signature verification of device operating system firmware images to block installation of unauthorized modified firmware builds.
2. Encrypted communications stack: TLS 1.2 for SCCP/SIP call signaling transport encryption, SRTP AES encrypted VoIP audio media streams to prevent interception of conference call audio data over enterprise IP networks.
3. IEEE 802.1X port-based network access authentication: Supports EAP-FAST, PEAP-GTC, PEAP-MSCHAPv2, EAP-TLS enterprise authentication protocols for secure corporate LAN subnet deployment.
4. Local device access security: Administrator password protection for embedded HTTPS web administration interface, configurable PIN lock for device menu and configuration settings access on the physical LCD display keypad.
5. Digital certificate storage support: Allows installation of trusted root and client-side TLS digital certificates for enterprise network authentication and encrypted voice communications.

Regulatory Compliance, Product Lifecycle Status & Hardware Warranty

Product Lifecycle Status

End-of-Sale (EoS) legacy Cisco 7900 series IP conference station; Cisco permanently discontinued original manufacturing production runs for CP-7936. Limited refurbished and used surplus inventory is available through authorized Cisco third-party resellers globally. Cisco continues to release critical security vulnerability patch updates and severe software bug-fix maintenance unified PhoneOS firmware releases for customers holding valid active Cisco support service contracts, in accordance with official Cisco global product support lifecycle policy guidelines.

Standard Global Hardware Warranty

One-year limited Cisco worldwide commercial enterprise hardware warranty coverage valid across all global international geographic regions. Warranty covers manufacturing defects in all integrated CP-7936 hardware components including chassis frame, backlit LCD display panel, internal audio DSP circuitry, built-in microphones and speaker assembly, Ethernet PIM controller modules, keypad tactile switches and printed circuit board control circuitry. Warranty coverage excludes physical accidental impact damage, liquid spill corrosion, scratch surface cosmetic wear, unauthorized third-party hardware modification and damage caused by uncertified non-Cisco external power adapters.

Standard Packaging Contents

1. Cisco CP-7936 Unified IP Conference Station main conference phone unit
2. Power Interface Module (PIM) with integrated RJ45 CAT5 Ethernet connecting cables
3. Hardware installation quick start deployment guide
4. User operation reference manual
5. Regulatory compliance safety data sheet and warranty information pamphlet

Separately Ordered Optional Accessories

1. External expansion dual microphone kit (two wired microphones with six-foot connecting cables) for larger meeting room audio pickup expansion
2. Universal Cisco 48V DC external AC power cube adapter (required for non-PoE network switch deployments)

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