cisco ip 7945 manual

The Cisco IP Phone 7945 is a full-featured VoIP telephone designed for enterprise environments, supporting SIP and SCCP protocols. It features a high-resolution color display, integrated Ethernet switch, speakerphone, headset port, and programmable line/feature keys. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Color display, handset, Ethernet ports, programmable buttons, speakerphone, headset jack.

Feature	Description
Display	High-resolution color LCD with backlight
Handset	Standard handset with mute button
Ethernet Ports	10/100/1000 Mbps switch (PC and Network ports)
Programmable Buttons	Line keys, feature keys (Hold, Transfer, Conference, etc.)
Speakerphone	Full-duplex speakerphone for hands-free calls
Headset Jack	2.5mm headset port for private listening
Power	Power over Ethernet (PoE) or external power adapter
Protocols	SIP and SCCP support
Audio Codecs	G.711, G.729, G.722, and others
Security	802.1X authentication, encrypted signaling/media

Installation

Unpack and inspect contents. Place on stable surface.

1. Connect network: Use Ethernet cable to connect Network port to switch; PC port to computer.
2. Connect handset: Plug handset cord into handset jack.
3. Connect headset: Optional 2.5mm headset to headset jack.
4. Power: Use PoE from switch or connect external power adapter.

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

First-Time Setup

Power on phone; follow on-screen prompts.

1. Network configuration: Phone obtains IP via DHCP; check settings in Network Configuration menu.
2. Server configuration: Enter TFTP server address for firmware and configuration files.
3. Extension registration: Enter SIP username/password or SCCP device name.
4. Verify registration: Check for registered status on display.

CAUTION! Ensure proper ventilation; do not block vents.

Specifications

• Display: 3.5-inch color TFT, 320 x 240 resolution.
• Network: 10/100/1000 Mbps Ethernet, IEEE 802.3af PoE.
• Audio: Wideband audio support, acoustic echo cancellation.
• Protocols: SIP 2.0, SCCP.
• Codecs: G.711 (a-law, μ-law), G.729a, G.722, iLBC.
• Power: PoE (Class 2) or 48V DC external power.
• Operating Temp: 32°F to 104°F (0°C to 40°C).
• Dimensions: 8.5 x 10.5 x 6.5 inches (H x W x D).

Controls and Settings

Access settings via Settings button or web interface.

Front Panel: Navigation pad, soft keys, Hold, Transfer, Conference, Volume rocker, Mute, Speakerphone, Headset.

Settings Menu: Network configuration, Phone configuration, User preferences, Security settings.

Network: IP address, subnet, gateway, TFTP server. Phone: Display contrast, ring tone, date/time format. User: Call forward, speed dials, PIN. Security: 802.1X credentials, admin password.

Connecting Devices

Network: Ethernet to switch. PC: Ethernet to PC port. Headset: 2.5mm jack.

1. Turn off devices before connecting.
2. Use Cat5e or higher Ethernet cables.
3. Connect headset for hands-free operation.

Tip: Use quality cables to avoid network issues.

Using Phone Features

Supports basic and advanced telephony features.

1. Make call: Lift handset or press Speakerphone; dial number.
2. Answer call: Lift handset or press Answer soft key.
3. Hold: Press Hold button to place call on hold.
4. Transfer: Press Transfer, enter target number, press Transfer again.
5. Conference: Press Conference, dial participant, press Conference again.
6. Call forward: Settings > Call Forward > enable and set number.
7. Speed dial: Assign numbers to programmable buttons.
8. Voicemail: Press Messages button to access voicemail.

WARNING! Do not use damaged handset cords. Keep liquids away.

Accessibility Features

Visual alerts: Flashing LED for incoming calls. Audio adjustments: Volume control for ringer, handset, speaker. High-contrast display: Adjust display settings for visibility.

Care & Cleaning

Unplug before cleaning. Use dry, lint-free cloth; no liquids or aerosols.

CAUTION! Do not spray directly on phone; avoid abrasive cleaners.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	PoE/Power adapter	Check Ethernet cable/PoE switch; verify power adapter connection.
No network	Cable/DHCP	Check cable; verify DHCP server; check IP address in settings.
No registration	Server settings	Verify TFTP server address; check SIP credentials/SCCP device name.
No audio	Handset/Volume	Check handset connection; adjust volume; ensure mute is off.
Poor call quality	Network/Codec	Check network latency/jitter; verify codec settings.

Reset: Press and hold # key during boot to factory reset.

Service: Contact Cisco TAC or authorized service provider.