Cisco SPA 303 Manual

The Cisco SPA 303 is a 3-line IP phone designed for small businesses, featuring a high-resolution display, speakerphone, headset port, Power over Ethernet (PoE), and support for Session Initiation Protocol (SIP). It offers advanced call handling, network configuration, and security 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. Advanced Call Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 3-line LCD display, Speakerphone, Headset port, Ethernet ports (LAN and PC), Power adapter port, Handset, Volume controls.

Feature	Description
3-line LCD display	Shows caller ID, call status, and menu options
Speakerphone	Full-duplex speakerphone for hands-free calls
Headset port	2.5mm port for headset connection
Ethernet ports	LAN and PC ports for network connectivity
Power over Ethernet (PoE)	Supports IEEE 802.3af PoE for power
Handset	Standard telephone handset
Volume controls	Adjust handset, speaker, and ringer volume
Programmable keys	3 line keys with LEDs for call status
Hold button	Places active call on hold
MUTE	Mutes microphone during calls

Installation

Unpack and inspect contents. Place on stable surface.

Connect to network: Use Ethernet cable to connect LAN port to router/switch.
Connect PC: Use second Ethernet cable from PC port to computer (optional).
Power the phone: Use PoE from switch or connect power adapter to power port.
Connect handset: Plug handset cord into handset port.

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

First-Time Setup

Power on phone; follow on-screen prompts.

Network configuration: Phone will obtain IP via DHCP; check LCD for IP address.
Configure SIP settings: Access web interface via IP address; enter SIP server details.
Set language: In settings menu, select ENGLISH (default).
Configure time/date: Set via web interface or phone menu.

CAUTION! Ensure firmware is up to date for optimal performance.

Specifications

Display: 3-line monochrome LCD.
Network: 10/100 Mbps Ethernet, IEEE 802.3af PoE.
Protocols: SIP (Session Initiation Protocol).
Audio: High-quality handset and speakerphone.
Ports: Two 10/100 Ethernet ports, headset port, handset port.
Power: 48V DC via PoE or power adapter.
Supported features: Call hold, transfer, conference, voicemail.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu via NAVIGATION button. Front Panel: LINE keys, HOLD, MUTE, VOLUME, NAVIGATION, SPEAKERPHONE.

Web Interface: Access via IP address for advanced configuration (network, SIP, audio settings).

Basic Settings: Time/date, language, ring tone, LCD contrast. Network: DHCP/static IP, VLAN, QoS. SIP: Server address, user credentials, codec selection. Audio: Volume levels, echo cancellation, gain control.

Connecting Devices

Network: LAN port to router. PC: PC port to computer. Headset: 2.5mm headset to headset port.

Turn off phone before connecting devices.
Match cables to ports (Ethernet to LAN/PC).
Power on phone after connections are secure.

Tip: Use Cat5e or higher Ethernet cables for best performance.

Advanced Call Features

Supports call hold, transfer, conference, voicemail.

Make call: Lift handset or press SPEAKERPHONE; dial number.
Hold: Press HOLD to place call on hold; press again to resume.
Transfer: During call, press TRANSFER, dial target number, press TRANSFER again.
Conference: During call, press CONFERENCE, dial second party, press CONFERENCE to merge.
Voicemail: Press MESSAGES key or dial voicemail access number.
Call history: Use NAVIGATION to view missed, received, dialed calls.

WARNING! Do not disconnect during firmware update. Ensure proper SIP configuration.

Accessibility Features

Visual alerts: LED indicators for call status. Audio adjustments: Volume control for handset, speaker, ringer. Headset mode: Enable for hands-free operation.

Care & Cleaning

Unplug before cleaning. Use dry, soft cloth; avoid liquids or abrasive cleaners.

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

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Cisco Systems, Inc.; trademarks owned by Cisco. For support, visit www.cisco.com or contact 1-800-553-2447.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power source/cable	Check PoE switch or power adapter; ensure cable is connected.
No network connection	Ethernet cable/DHCP	Check cable; verify DHCP is enabled; restart phone.
No dial tone	SIP configuration	Verify SIP settings in web interface; check server status.
Poor audio quality	Network/audio settings	Check network QoS; adjust audio settings in web interface.
Display issues	Power/contrast	Restart phone; adjust LCD contrast in settings.

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

Service: 1-800-553-2447; www.cisco.com