cisco ip phone 7975 manual

The Cisco IP Phone 7975 is a high-performance, full-featured VoIP phone designed for enterprise environments. It features a large color touchscreen display, support for multiple lines, advanced call handling, integrated Gigabit Ethernet switch, Power over Ethernet (PoE) support, and extensive programmability through Cisco Unified Communications Manager. Below are key sections covering features, installation, configuration, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Network 7. Making and Receiving Calls 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large color touchscreen display, Handset, Speakerphone, Programmable line/feature buttons, Navigation cluster, Volume rocker, Mute button, Headset port, Ethernet ports.

Feature	Description
Display	High-resolution color touchscreen for call information and features
Speakerphone	Full-duplex speakerphone for hands-free conversations
Programmable buttons	Configurable for lines, speed dials, or features
Gigabit Ethernet	Integrated switch with 10/100/1000 Mbps ports
Power over Ethernet (PoE)	IEEE 802.3af Class 3 or external power adapter
Headset port	2.5 mm port for wired headset connectivity
Audio codecs	Support for G.711, G.729a, G.722, and others
Security	802.1X authentication, signed firmware, secure boot
XML services	Support for custom XML applications and services
Conference calls	Support for multi-party conferencing

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect phone's SW port to network switch.
Connect PC (optional): Use Ethernet cable to connect PC to phone's PC port.
Power the phone: Use PoE from switch or connect external power adapter.
Connect handset and optional headset.

WARNING! Use only approved power sources. Ensure network cables are securely connected.

First-Time Setup

Phone will boot and attempt to register with Cisco Unified Communications Manager.

Network configuration: Phone obtains IP address via DHCP by default.
Firmware upgrade: Phone may download firmware from TFTP server.
Registration: Phone registers with CUCM using configured extension.
Verify registration: Check for registered status on screen.
Configure preferences: Use phone settings menu for time format, ringtone, etc.

CAUTION! Do not unplug during firmware upgrade. Ensure proper network connectivity.

Specifications

Display: 5.6-inch color TFT touchscreen (320 x 234 pixels).
Network: 10/100/1000 Mbps Ethernet with integrated switch.
Power: IEEE 802.3af PoE (Class 3) or 48 VDC external power adapter.
Audio: Wideband audio support (G.722), handset and speakerphone.
Protocols: SIP (Session Initiation Protocol) or SCCP (Skinny Client Control Protocol).
Memory: Flash memory for firmware and configuration.
Buttons: 2 line/feature buttons, 5 navigation buttons, dedicated hold, transfer, conference, etc.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, UL, CE, others.

Controls and Settings

Access settings via touchscreen menu or physical buttons.

Physical Controls: Volume rocker, Mute button, Headset button, Speakerphone button, Navigation cluster (up/down/left/right/select).

Touchscreen: Displays call information, softkeys for features, directories, settings.

Settings Menu: Network configuration (view IP, subnet, gateway), Preferences (ringtone, screen contrast, language), Status (firmware version, uptime), Security (802.1X, certificates).

Connecting to Network

Connect phone to corporate LAN with PoE capability.

Turn off phone before connecting cables.
Connect network cable from switch to phone's SW port.
Connect PC to phone's PC port if desktop connectivity is needed.
Power on phone; verify network LEDs.
Check IP address assignment in Network Configuration menu.

Tip: Use Category 5e or higher Ethernet cables for Gigabit performance.

Making and Receiving Calls

Basic call handling procedures.

Make a call: Lift handset or press Speakerphone, dial number, press Dial softkey or wait for auto-dial.
Answer a call: Lift handset, press Answer softkey, or press Speakerphone.
End a call: Press EndCall or hang up handset.
Hold: Press Hold button during active call.
Transfer: Press Transfer, dial target number, press Transfer again.
Conference: Press Conference, dial participant, press Conference again to merge.
Redial: Press Redial or select from call history.

WARNING! Ensure proper dial plan configuration for external calls.

Advanced Features

Call forwarding: Configure via CUCM or phone settings. Speed dial: Assign numbers to programmable buttons. Directories: Access corporate directory, personal directory, call history. XML services: Display custom web applications. Extension Mobility: Log in to shared phone with personal profile.

Care & Cleaning

Unplug power before cleaning. Use soft, dry cloth for display and housing. For stubborn stains, dampen cloth with water only; do not use solvents.

CAUTION! Do not spray liquids directly on phone. Avoid abrasive cleaners.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. This device must be installed and used in accordance with provided instructions. Cisco, the Cisco logo, and Cisco IP Phone are trademarks of Cisco Systems, Inc. For support, visit www.cisco.com or contact Cisco Technical Assistance Center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source	Check PoE switch or power adapter; verify cable connections.
No network connectivity	Cable/DHCP	Check Ethernet cable; verify DHCP server availability; check VLAN configuration.
Phone not registering	CUCM configuration	Verify MAC address in CUCM; check TFTP server settings; restart phone.
No audio	Handset/network	Check handset connection; verify audio codec configuration; test with headset.
Touchscreen not responding	Calibration/software	Restart phone; recalibrate touchscreen via settings menu.

Reset: Press and hold # key during boot for factory reset (erases configuration).

Service: Contact Cisco TAC or authorized service provider.