Cisco Phone 7945 Manual

The Cisco Unified IP Phone 7945 is a full-featured VoIP telephone supporting up to two lines, with a high-resolution color display, built-in speakerphone, headset support, and Power over Ethernet (PoE). It provides access to voice messaging, corporate directories, and web-based services. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Using Phone Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color display, Handset, Speakerphone, Line/Feature buttons, Navigation cluster, Settings button, Headset port, Ethernet ports.

Feature	Description
Display	High-resolution color LCD with backlight
Speakerphone	Full-duplex for hands-free conversations
Line/Feature Buttons	Two programmable line/feature buttons with LEDs
Navigation Cluster	Four-way navigation with Select button
Headset Port	2.5mm port for headset connection
Ethernet Ports	10/100/1000 SW and PC ports for network connection
Messages Button	Direct access to voice messaging system
Directories Button	Access to corporate and personal directories
Settings Button	Access phone settings and configuration
Mute Button	Mutes microphone during calls

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect SW port to network switch.
Connect PC (optional): Use Ethernet cable to connect PC port to computer.
Power the phone: Use Power over Ethernet (PoE) or external power adapter.
Connect handset: Plug handset cord into handset port.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network registration: Phone will attempt to register with Cisco Unified Communications Manager.
Set preferences: Use Settings button to configure language, time format, ring tones.
Configure directories: Set up corporate and personal directory access.
Test features: Make test call to verify audio quality and functionality.

CAUTION! Do not place phone in direct sunlight or near heat sources.

Specifications

Display: High-resolution color LCD, 320 x 222 pixels.
Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Audio: Wideband audio support, G.711, G.729 codecs.
Ports: Two 10/100/1000 Ethernet ports, headset port, handset port.
Protocols: SIP, SCCP, IEEE 802.1x, LLDP-MED.
Power: 802.3af PoE or external 48V DC power adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: 8.5 x 10.5 x 6.5 inches (216 x 267 x 165 mm).

Controls and Settings

Access settings via Settings button. Front Panel: Line buttons, Navigation cluster, Speakerphone, Mute, Headset, Messages, Directories.

Softkeys: Context-sensitive buttons below display for call functions.

Phone Settings: Language, Time Format, Ring Tones, Screen Contrast, Network Configuration. Call Features: Hold, Transfer, Conference, Forward, Park. Audio Settings: Speakerphone Volume, Ringer Volume, Headset Gain.

Connecting Devices

Network: SW port to switch. PC: PC port to computer. Headset: 2.5mm headset port.

Turn off phone before connecting devices.
Match cables to ports (Ethernet to SW/PC ports).
Verify connections by checking link LEDs.

Tip: Use quality CAT5e or higher cables for best performance.

Using Phone Features

Supports basic and advanced telephony features.

Make call: Lift handset or press Speakerphone, dial number.
Answer call: Lift handset, press Speakerphone, or press Answer softkey.
Hold: Press Hold button during active call.
Transfer: Press Transfer, dial target number, press Transfer again.
Conference: Press Conference, dial participant, press Conference again.
Forward: Press CFwdAll, enter destination number.
Voice messages: Press Messages button to access voice mail.
Directories: Press Directories to search corporate or personal contacts.

WARNING! Do not use phone during electrical storms. Use headset in appropriate environments.

Accessibility Features

Visual Alerts: Flashing LED for incoming calls. Audio Adjustments: Adjustable ringer volume and tone. Headset Compatibility: Supports hearing aid compatible headsets.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth; no liquids or abrasive cleaners.

CAUTION! Do not spray liquids directly on phone. Keep away from moisture.

Regulatory Information

FCC Part 15: Class A digital device; complies with interference limits for business use. Copyright © Cisco Systems, Inc. All rights reserved. For support, visit www.cisco.com or contact Cisco Technical Assistance Center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power/PoE issue	Check PoE switch or power adapter; verify cable connections.
No dial tone	Network/registration	Check network connection; verify phone registration with CUCM.
Poor audio quality	Network/configuration	Check network QoS settings; verify audio codec configuration.
Display issues	Settings/power	Adjust contrast in settings; restart phone.
Cannot access features	Configuration	Verify feature configuration in CUCM; reset phone if needed.

Reset: Settings > Network Configuration > Reset if available.

Service: Contact Cisco Technical Assistance Center; www.cisco.com