Cisco Phone Manual 7945

The Cisco Unified IP Phone 7945 is a full-featured business VoIP phone supporting SIP and SCCP protocols, with a high-resolution color display, integrated Gigabit Ethernet switch, multiple programmable line/feature buttons, speakerphone, headset support, and advanced telephony features. It is designed for use with Cisco Unified Communications Manager. 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. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
Display	High-resolution color LCD with backlight
Network Ports	Dual 10/100/1000BASE-T Ethernet (SW, PC)
Audio	Full-duplex speakerphone, handset, headset support
Programmable Buttons	Multiple line/feature keys with LEDs
Protocols	SIP and SCCP support
Power Options	802.3af PoE or external power supply
Navigation Cluster	5-way navigation for menus and directories
Volume Control	Dedicated rocker for handset, speaker, ringer
Headset Port	RJ-9 port for headset connection
Security	802.1X authentication, encrypted signaling/media

Installation

Unpack and inspect contents. Place phone on stable surface.

Connect to Network: Plug Ethernet cable from switch into SW port.
Connect PC (Optional): Plug PC Ethernet cable into PC port.
Connect Handset: Plug coiled handset cord into handset port.
Apply Power: Use PoE from switch or connect external power adapter.
Connect Headset (Optional): Plug headset into RJ-9 headset port.

WARNING! Use only approved power sources. Ensure cables are not pinched or damaged.

First-Time Setup

Phone boots and registers with Cisco Unified Communications Manager.

Initial Boot: Phone obtains IP address via DHCP and downloads configuration.
Verify Registration: Check for extension number on idle screen.
Set User Preferences: Press Settings button to configure ring tones, display contrast, etc.
Program Speed Dials: Use phone web interface or CUCM User Options page.
Test Call: Lift handset and dial another extension.

CAUTION! Do not disconnect during firmware upgrade. Ensure network connectivity.

Specifications

Model: Cisco Unified IP Phone 7945.
Display: High-resolution color LCD, 320 x 222 pixels.
Network: Dual 10/100/1000BASE-T Ethernet ports with integrated switch.
Protocols: SIP and SCCP.
Audio Codecs: G.711, G.729a, G.722 (wideband).
Power: 802.3af PoE (Class 3) or 48 VDC external power adapter.
Buttons: 2 line/feature buttons (expandable), softkeys, navigation cluster.
Connectors: Handset (RJ-9), headset (RJ-9), SW/PC (RJ-45).
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menus via navigation cluster and softkeys. Front Panel: Handset, Speakerphone, Mute, Headset, Volume, Navigation, Line/Feature buttons.

Softkeys: Context-sensitive keys below display (e.g., Redial, CFwdAll, More).

Settings Menu: Ring Tone selection, Display contrast/brightness, Network configuration (view only), Phone model information. Call Features: Hold, Resume, Transfer, Conference, Forward, Park, Pickup. Audio Adjustment: Volume rocker for handset, speaker, ringer; Mute button.

Connecting Devices

Network: SW port to switch. PC: PC port to computer. Headset: RJ-9 headset port.

Ensure phone is powered off or disconnected before connecting cables.
Use Cat5e or better Ethernet cables for network connections.
For headset, use Cisco-approved headset adapter if required.
Verify link LEDs on Ethernet ports after connection.

Tip: Label cables for easy identification during maintenance.

Advanced Features

Supports advanced call handling and productivity features.

Multiple Lines: Answer/hold calls on up to 2 lines (expandable).
Call Transfer: Blind or attended transfer using Transfer softkey.
Conference: Create multi-party conference calls.
Call Forward: Forward calls to another number (CFwdAll).
Call Park: Park call and retrieve from another phone.
Speed Dials: Program personal speed dials via web interface.
Directories: Access corporate directory, call history (Missed, Received, Placed).
Web Interface: Configure settings via built-in web server (requires admin credentials).

WARNING! Misconfiguration may affect call routing. Consult administrator for changes.

Accessibility Features

Hearing Aid Compatibility (HAC): Handset is HAC rated. Visual Alerts: Flashing LED for incoming calls. Audio Adjustment: Independent volume controls for ringer, handset, speaker. Large Font: Option for larger on-screen text via settings.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for display and housing. For stubborn marks, 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. ICES-003: Complies with Canadian EMI regulations. CE Mark: Conforms to European EMC and safety directives. 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 source/Ethernet cable	Check PoE switch or power adapter; verify Ethernet cable is connected to SW port.
No display or blank screen	Power/backlight settings	Ensure phone is powered; adjust display contrast/brightness in settings.
No dial tone	Network/registration	Check Ethernet link LED; verify phone is registered with CUCM.
One-way or no audio	Network/audio settings	Check network QoS; verify audio codec configuration; test with headset.
Cannot access web interface	IP/credentials	Verify phone IP address (press Settings > Network Configuration); use correct admin credentials.

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

Service: Contact Cisco TAC or authorized service provider.