Cisco Phone 7945 Instruction Manual

The Cisco Unified IP Phone 7945 is a full-featured business VoIP phone supporting SIP and SCCP protocols, featuring a high-resolution color display, integrated Gigabit Ethernet switch, support for multiple lines and extensions, Power over Ethernet (PoE), built-in speakerphone, headset port, and advanced call handling features. 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. Making and Receiving Calls 8. Advanced Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution color display, Handset, Speakerphone, Keypad, Programmable line/feature buttons, Headset port, Ethernet ports.

Feature	Description
Display	High-resolution color LCD with backlight
Network Ports	Two 10/100/1000BASE-T Ethernet ports (PC and SWITCH)
Power	Power over Ethernet (PoE) or external power adapter
Audio	Full-duplex speakerphone, handset, headset port
Protocols	SIP and SCCP firmware support
Programmable Buttons	Line keys, feature buttons (Hold, Transfer, Conference, etc.)
Directories	Personal and corporate directories, call history
Security	802.1X authentication, encrypted signaling/media
Volume Control	Dedicated volume rocker for handset, speaker, ringer
Messages	Integrated visual voicemail indicator

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect to Network: Use Ethernet cable to connect SWITCH port to network jack.
Connect PC (Optional): Use second Ethernet cable from PC port to computer.
Power the Phone: Use PoE from switch or connect external power adapter.
Connect Handset: Plug coiled handset cord into handset port.
Connect Headset (Optional): Plug into headset port on back of phone.

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

First-Time Setup

Phone will boot and attempt to register with the call server.

Check Network: Ensure Ethernet link is active (LEDs illuminated).
Verify Registration: Check display for extension number and "Registered" status.
Set Preferences: Press Settings button to configure time/date, ring tones, language.
Test Audio: Make a test call to verify handset, speakerphone, and headset.

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

Specifications

Display: High-resolution color LCD, 5.6-inch diagonal.
Network: Dual 10/100/1000BASE-T Ethernet ports with integrated switch.
Power: 802.3af PoE (Class 3) or 48VDC external power adapter.
Audio Codecs: G.711, G.729a, G.722, iLBC.
Protocol Support: SIP and SCCP.
Buttons: 6 programmable line/feature buttons, dedicated navigation cluster.
Dimensions: 8.5 x 10.5 x 6.5 inches (H x W x D).
Operating Temp: 32°F to 104°F (0°C to 40°C).
Compliance: FCC Part 15, UL, CE.

Controls and Settings

Access menus via NAVIGATION button and softkeys. Front Panel: Handset, Speakerphone, Mute, Headset, Volume rocker, NAVIGATION cluster, programmable buttons.

Softkeys: Context-sensitive buttons below display for call functions (Answer, Ignore, Hold, Transfer, Conference, etc.).

Settings Menu: Press Settings button to access: - User Preferences: Ring tone, screen contrast, language. - Network Configuration: View IP address, subnet, gateway (usually auto-provisioned). - Status: Firmware version, call statistics, network status. - Security: Configure authentication if required.

Connecting Devices

Network: SWITCH port to network. PC: PC port to computer. Headset: Standard 2.5mm or USB headset to appropriate port.

Ensure phone is powered off before connecting cables.
Use Cat5e or better Ethernet cables for network connections.
For headset use, configure phone settings to route audio to headset.

Tip: Label cables for easy identification during maintenance.

Making and Receiving Calls

Basic call handling operations.

Make Call: Lift handset or press Speaker/Headset button, dial number, press Dial softkey or wait for auto-dial.
Answer Call: Press Answer softkey, lift handset, or press Speaker/Headset.
End Call: Press EndCall softkey or hang up handset.
Hold: Press Hold button during active call.
Transfer: During call, press Transfer, dial target number, press Transfer again.
Conference: During call, press Conference, dial participant, press Conference again to merge.
Redial: Press Redial button or select from call history.
Mute: Press Mute button to toggle microphone on/off.

WARNING! Do not use phone during electrical storms. Use headset for extended calls.

Advanced Features

Call History: Press Directories button to view missed, received, placed calls. Speed Dials: Program frequently called numbers to programmable buttons. Voicemail: Press Messages button to access visual voicemail (if configured). Forwarding: Configure call forwarding via phone menu or web interface. Do Not Disturb (DND): Activate to silence ringer and send calls to voicemail.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth. Do not use liquids or aerosols directly on phone.

CAUTION! Avoid abrasive cleaners. Keep liquids away from openings.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
Phone not powering on	Power source	Check PoE switch or power adapter connection; verify cable.
No display/blank screen	Power/backlight	Check power; adjust screen contrast in settings.
Not registering	Network/config	Check Ethernet cable; verify IP address; contact administrator.
No dial tone	Registration/line	Ensure phone is registered; check line configuration.
Poor audio quality	Network/device	Check network for packet loss; test with handset, speaker, headset.
Buttons not responding	Software	Reset phone via settings menu or power cycle.

Reset: Settings > Device Administration > Reset Settings (may require admin password).

Service: Contact network administrator or Cisco TAC: 1-800-553-2447; www.cisco.com/support