Cisco Unified IP Conference Station 7937 (CP-7937) Full Official English Description

1. Product Overview

The Cisco Unified IP Conference Station 7937 (shortened CP-7937) is an enterprise VoIP conference station under Cisco 7900 IP phone series, exclusively designed for small huddle rooms, mid-sized meeting spaces, executive offices and training classrooms. It is built to operate natively with Cisco Unified Communications Manager (CUCM) and Cisco CallManager Express via SCCP protocol, delivering professional full-duplex wideband conference audio, simplified single-cable PoE deployment and centralized enterprise device managementCisco.

2. Core Audio & Conference Performance

1. Triple Built-In Unidirectional Microphone ArrayThree integrated microphones deliver 360° omnidirectional voice pickup within a 20-foot radius of the base unit. Two optional external expansion microphones can be connected to extend audio coverage up to 30ft × 40ft for large boardroom scenarios.
2. G.722 Wideband High-Fidelity AudioSupports G.722 wideband voice codec with 300Hz–7000Hz audio frequency response, double the bandwidth of standard narrowband telephony codecs. It reproduces natural, lifelike human voice and eliminates muffled, distorted audio during cross-site virtual conferences.
3. Advanced Digital Audio Processing EngineEquipped with full digital echo cancellation, dynamic background noise suppression (filters air conditioner hum, keyboard typing and idle chatter), comfort noise generation (CNG) and automatic volume balancing to maintain consistent audio volume for all meeting participants.
4. True Full-Duplex High-Loudness SpeakerphoneSimultaneous two-way real-time talking without audio cut-off or voice dropout when multiple attendees speak concurrently. The built-in high-power speaker reaches a maximum output of 86.5 dB, ensuring clear audible sound in spacious meeting rooms.

3. Hardware, Display & Control Layout

• Backlit Grayscale LCD Display: 255 × 128 pixel backlit monochrome screen, displaying real-time caller ID, active call status, voicemail alert indicators, system menu navigation and custom XML enterprise web applications.
• Complete Physical Control Interface: 4 programmable soft keys, 5-way directional navigation cluster with select button, dedicated hard buttons for Hold, Transfer, Mute, Redial, Volume Up/Down, On-hook and Off-hook; full numeric dial pad supports speed dial shortcuts and menu input. Additional dedicated keys: Directories and Applications for quick access to corporate contacts, voicemail, device settings and XML service portals.
• Multi-Language Localized On-Screen Menus: Supports multiple global display languages for multinational corporate branch deployments.
• Durable Chassis Construction: Textured dark gray ABS plastic main body paired with silver aluminum microphone wing trim, engineered for long-term daily office operation.
• Physical Dimensions & Weight: 390.5 × 368.3 × 66.7 mm; net weight 1040 grams.
• Multi-Color LED Status Indicators: Three built-in colored LEDs to show device power state, mute status, incoming calls and unread voicemail notificationsCisco.

4. Network, Power & Connectivity Specifications

1. Single 10/100BASE-TX RJ45 Ethernet LAN PortCompliant with IEEE 802.1Q VLAN tagging and IEEE 802.1p Layer 2 QoS priority marking, which prioritizes voice VoIP traffic over regular office data to avoid audio packet loss and call lag.
2. Two Power Supply Deployment Options
   • Primary Deployment: IEEE 802.3af Class 3 Power over Ethernet (PoE). One single Ethernet cable transmits both network data and DC power, eliminating messy separate power adapters and simplifying conference table wiring.
   • Alternative Backup Power: Optional CP-PWR-CUBE-3 external AC-to-DC power cube for network environments without PoE switch support.
3. Enterprise Network Security StandardsSupports DHCP automatic IP address assignment, IEEE 802.1X EAP-MD5 wired device authentication to block unauthorized network access and secure corporate voice infrastructure.

5. Supported Signaling Protocols & Voice Codecs

Signaling Protocol

• SCCP (Skinny Client Control Protocol): Fully optimized for seamless native integration with Cisco CUCM and CME call control platforms; SIP protocol is not supported on CP-7937 conference station.

Supported Voice Codecs

• Wideband: G.722
• Narrowband: G.711a, G.711μ, G.729A, G.729B All codecs balance low network bandwidth consumption and high-definition conference voice quality.

6. Call Functions, XML Services & Enterprise Security Features

1. Standard VoIP conference call operations: Call hold, attended transfer, blind transfer, call mute, call redial, caller ID display, voicemail integration, speed dial lookup, corporate directory access, ad-hoc and meet-me multi-party conferencing.
2. XML Extensible Application Portal: The LCD screen supports custom XML web services developed for enterprise internal use, enabling one-screen access to company contact directories, corporate meeting announcements, room schedule calendars and real-time enterprise information without additional display monitors.
3. Built-in user self-help menu: On-device operation guide for end-users to quickly learn conference station functions without IT support assistance.
4. Enterprise-grade voice security: 802.1X wired device identity authentication, encrypted SCCP signaling traffic between CP-7937 and CUCM, protection against unauthorized device tampering and malicious network intrusion.

7. Applicable Deployment Scenarios & Core Business Advantages

Suitable Application Environments

Small team huddle rooms, medium-sized corporate meeting rooms, executive private offices, employee training classrooms and remote branch office meeting spaces.

Key Business Benefits

1. Low-Cost Simplified Deployment: PoE single-wire installation reduces on-site cabling labor costs; centralized CUCM bulk configuration and firmware management cuts daily IT device maintenance overhead.
2. Flexible Scalable Audio Coverage: The same CP-7937 base unit adapts seamlessly from small 3–6 person quick meetings to large 20+ participant boardroom conferences via plug-and-play external expansion microphones.
3. Native Cisco Unified Communications Ecosystem Compatibility: Fully interoperable with Cisco’s end-to-end enterprise voice stack, supporting cross-regional multi-site virtual conferences and distributed remote team collaboration.
4. Stable Long-Term Reliable Operation: Robust industrial-grade hardware design and mature optimized firmware deliver stable 24/7 continuous operation for daily corporate meetings, with low hardware failure rates and extended service lifespan.

Supplementary Note on Naming Convention

CP-7937 is the simplified market reference name for the Cisco Unified IP Conference Station 7937; CP-7937G is the full global SKU model number for identical hardware specifications, with zero functional or performance differences between CP-7937 and CP-7937G units.

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