The Cisco SPA504G is a 4-line IP phone designed for small business and enterprise environments, featuring a high-resolution graphical display, four programmable line keys, integrated dual switched Ethernet ports (10/100 Mbps), support for Power over Ethernet (PoE) or external power adapter, HD audio quality, built-in speakerphone, headset support, and comprehensive VoIP features including call hold, transfer, conference, and voicemail access. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Graphical LCD display, Handset, Four programmable line keys, Navigation pad, Speakerphone, Ethernet ports, Power connector.
| Feature | Description |
|---|---|
| Graphical Display | High-resolution backlit LCD for call information and menus |
| Programmable Line Keys | Four configurable keys for lines, speed dials, or features |
| Dual Ethernet Ports | Switched 10/100 Mbps ports for PC connection and network |
| Power over Ethernet (PoE) | IEEE 802.3af compliant for single-cable power and data |
| HD Audio | Wideband audio support for superior voice quality |
| Built-in Speakerphone | Full-duplex speakerphone for hands-free conversations |
| Headset Port | 2.5mm or RJ9 headset connectivity (optional) |
| Volume Control | Dedicated buttons for handset, speaker, and ringer volume |
| Navigation Pad | 4-way navigation with center Select key for menu access |
| Message Waiting Indicator | LED for voicemail and message notifications |
Unpack and inspect contents. Place phone on stable surface near network connection.
WARNING! Use only approved power adapter. Ensure proper ventilation around phone.
Phone will attempt to obtain network configuration via DHCP on power-up.
CAUTION! Do not expose phone to liquids or extreme temperatures.
Access menu via NAVIGATION pad. Front Panel: LINE keys, HOLD, TRANSFER, CONFERENCE, MUTE, VOLUME, NAVIGATION pad, SPEAKERPHONE, HEADSET.
Key Functions: Redial, Directory, Messages, Settings, Mute, Hold, Transfer, Conference, Speakerphone.
Settings: Time/Date, Display contrast, Ring tones, Network configuration, SIP settings, Audio settings (handset/speaker gain). Web Interface: Advanced configuration via browser (default IP: from DHCP).
Network: PHONE port to router/switch. PC: PC port to computer. Power: PoE or power adapter.
Tip: Label cables for easy identification during maintenance.
Supports standard PBX and VoIP calling features.
WARNING! Emergency calls may require traditional telephone service as backup.
Visual alerts: Flashing LED for incoming calls. Audio adjustments: Separate volume controls for handset, speaker, ringer. Hearing aid compatible: Handset meets TIA-1083 standard. Large font option: Available in display settings menu.
Unplug power before cleaning. Use slightly damp cloth for exterior; avoid liquids on buttons or ports.
CAUTION! Do not use abrasive cleaners or solvents. Keep phone away from direct heat sources.
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/support or contact Cisco Technical Assistance Center. This product contains software subject to GNU General Public License.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power source/connection | Check PoE switch or power adapter; verify cable connections. |
| No network connectivity | Cable/DHCP | Check Ethernet cable; verify link lights; restart phone. |
| No dial tone | Registration/SIP | Verify SIP credentials; check with service provider. |
| Poor audio quality | Network/configuration | Check network QoS settings; adjust audio codec preferences. |
| Display issues | Power/contrast | Adjust display contrast in settings; ensure adequate power. |
| Cannot make/receive calls | Firewall/NAT | Configure router for SIP ALG; check firewall settings. |
Reset: Press and hold # key during boot for factory reset (erases all settings).
Service: Cisco Technical Assistance Center; www.cisco.com/support