cisco ip phone manual 7945

The Cisco IP Phone 7945 is a full-featured VoIP telephone supporting SIP and SCCP protocols, featuring a high-resolution color display, integrated Ethernet switch, speakerphone, headset port, and multiple line appearances. It is designed for enterprise environments, offering advanced call handling, messaging, and network integration capabilities. 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 to Network 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 LCD, handset, speakerphone, Ethernet ports, headset jack, programmable soft keys.

Feature	Description
Display	High-resolution color LCD with backlight
Network Ports	10/100/1000 Ethernet switch (PC and Network ports)
Audio	Full-duplex speakerphone, handset, headset jack
Protocol Support	SIP and SCCP (Skinny Client Control Protocol)
Power Options	Power over Ethernet (PoE) or external power adapter
Line Appearances	Multiple lines with dedicated buttons
Programmable Keys	Soft keys for call functions and features
Messages Button	Access to voicemail and messages
Settings Button	Access to phone configuration menu
Volume Control	Roller for handset, speaker, and ringer volume

Installation

Unpack and inspect contents. Place on stable surface.

Connect to Network: Use Ethernet cable to connect NETWORK port to switch. Use PC port to connect a computer.
Power the Phone: Use Power over Ethernet (PoE) from switch or connect external power adapter.
Connect Handset: Plug handset cord into handset port.
Optional Headset: Plug into headset jack.

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

First-Time Setup

Power on phone; phone will boot and register with call server.

Network Registration: Phone obtains IP address via DHCP and registers with Cisco Unified Communications Manager (CUCM) or SIP server.
Verify Registration: Check for extension number and "Registered" status on display.
Set Preferences: Press SETTINGS button to configure language, time format, ring tones.
Test Audio: Make a test call to verify handset, speakerphone, and headset operation.

CAUTION! Do not disconnect during boot process. Ensure proper network configuration.

Specifications

Display: High-resolution color LCD, 320 x 222 pixels.
Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
Audio Codecs: G.711, G.729a, G.722 (wideband).
Protocols: SIP, SCCP, HTTP, HTTPS, TFTP.
Power Consumption: Up to 6.3W (PoE Class 2).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Supported Features: Call hold, transfer, conference, forward, voicemail, presence.
Physical Dimensions: 8.25" x 10.5" x 6.5" (approx).

Controls and Settings

Access menu via SETTINGS button. Front Panel: Handset, speakerphone, volume roller, programmable soft keys, line buttons.

Key Functions: MESSAGES (voicemail), DIRECTORY (contacts), SERVICES (web apps), SETTINGS (configuration), HELP (information).

Settings Menu: User Preferences (ring type, screen contrast), Network Configuration (view IP, subnet), Device Configuration (phone model, firmware), Status (call statistics, firmware version).

Connecting to Network

Network: Use NETWORK port for uplink to switch. PC: Use PC port to daisy-chain a computer.

Turn off phone before connecting cables if using external power.
Connect Ethernet cable from switch to NETWORK port.
Connect computer to PC port if needed.
Power via PoE or external adapter.

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

Making and Receiving Calls

Basic call handling functions.

Make Call: Lift handset or press SPEAKER, dial number, press DIAL soft key or wait.
Answer Call: Lift handset, press SPEAKER, or press ANSWER soft key.
End Call: Hang up handset or press END CALL soft key.
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.
Forward Calls: Use CALL FORWARD ALL soft key or configure via menu.

WARNING! Emergency calls may require direct dialing; verify system configuration.

Advanced Features

Voicemail: Press MESSAGES button to access. Directory: Store and search contacts. Services: Access XML applications. Presence: View availability of colleagues. Headset Mode: Toggle via HEADSET button.

Care & Cleaning

Unplug power before cleaning. Use slightly damp, lint-free cloth; do not use liquids or aerosols.

CAUTION! Avoid moisture entering vents or ports. Do not use abrasive cleaners.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE marked. Copyright © Cisco Systems, Inc. All trademarks are property of their respective owners. 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 display or blank screen	Power/backlight	Check power; adjust contrast via SETTINGS menu.
No network registration	Network/DHCP	Verify Ethernet cable; check DHCP server; restart phone.
No dial tone	Registration/line	Ensure phone is registered; check line configuration on server.
Poor audio quality	Network/codec	Check network for packet loss; verify codec configuration.
Cannot access voicemail	Configuration	Verify voicemail number in settings; contact administrator.

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

Service: Contact network administrator or Cisco TAC for advanced issues.