Installation Guide
Tools Needed:
- Ethernet cable (CAT5e or higher)
- Power adapter (if not PoE)
- Network router/switch
- SIP account credentials
- Computer for configuration
Step-by-Step Installation
- Unpack and Inspect: Remove all packaging materials and verify all components are present (phone, handset, power adapter, Ethernet cable).
- Connect to Network: Connect the Ethernet cable from your router/switch to the LAN port on the VoIP phone.
- Power Connection: Connect the power adapter if not using Power over Ethernet (PoE). For PoE, ensure your switch supports 802.3af/at.
- Handset Connection: Connect the handset to the designated port on the phone.
- Power On: Turn on the phone using the power button or by connecting power.
- Network Configuration: Access the web interface via the phone's IP address to configure network settings.
- SIP Account Setup: Enter your SIP account credentials (username, password, server address) in the phone's configuration.
- Test Call: Make a test call to verify proper installation and audio quality.
Specifications
| Model Series | SPA9 Series |
| Type | Business VoIP Phone |
| Color | Black / Charcoal |
| Display | 3.5" Color LCD (320x240) |
| Line Support | Up to 4 SIP Lines |
| Network Ports | 2x 10/100/1000 Ethernet (LAN/PoE) |
| Power Options | PoE (802.3af) or AC Adapter |
| Audio Codecs | G.711, G.729, G.722, G.726 |
| QoS Support | Layer 2/3 QoS (802.1p, ToS, DiffServ) |
| Dimensions (HxWxD) | 22 x 24 x 9 cm |
| Weight | 1.2 kg |
| Protocol Support | SIP v2 (RFC3261), TCP/UDP, RTP/RTCP |
Warranty Information
- Full Warranty: 1 year parts and labor
- Extended Support: 90 days technical support
- Firmware Updates: Free updates for 2 years
For warranty service, contact Linksys Support at 1-800-546-5797 or visit Linksys.com/support
Key Features
HD Voice Quality
Wideband audio support with G.722 codec provides superior voice clarity and natural sounding conversations for professional communication.
Power over Ethernet
802.3af PoE support eliminates the need for separate power cables, simplifying installation and reducing cable clutter in office environments.
Multi-line Support
Support for up to 4 SIP lines allows handling multiple calls simultaneously, with dedicated line keys for easy call management.
Advanced Call Features
Includes call waiting, call forwarding, three-way conferencing, call transfer, and do-not-disturb functionality for comprehensive call management.
Web Configuration
Intuitive web-based administration interface allows easy configuration, firmware updates, and monitoring without specialized software.
QoS Prioritization
Advanced Quality of Service features ensure voice traffic priority on congested networks, maintaining call quality during high network usage.
Call Management Features
Call Forwarding
Forward calls based on busy, no answer, or unconditional scenarios to other extensions or mobile numbers
Conference Calling
Three-way conference capability for small team meetings and collaborative discussions
Call Transfer
Blind and attended transfer options for efficient call routing within organizations
Call Waiting
Visual and audible notification of incoming calls while on an active call
Do Not Disturb
Temporarily silence incoming calls while allowing important calls through based on rules
Speed Dial
Programmable speed dial keys for quick access to frequently called numbers
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No dial tone | Network connection issue, SIP registration failed | Check Ethernet connection, verify SIP credentials, restart phone |
| One-way audio | NAT/firewall issues, incorrect RTP settings | Configure STUN server, check firewall settings, verify RTP ports |
| Cannot register to SIP server | Incorrect credentials, network issues, server problems | Verify username/password, check network connectivity, contact provider |
| Poor audio quality | Network congestion, codec mismatch, QoS not configured | Enable QoS, check bandwidth, ensure consistent codec configuration |
| Phone not powering on | Power adapter issue, PoE switch problem | Check power adapter, verify PoE switch functionality, try different port |
| Display not working | Loose connection, firmware issue, hardware failure | Check connections, update firmware, contact support if persistent |
Status Indicators & Error Codes
- Solid Green: Registered and ready
- Flashing Green: Incoming call or call in progress
- Solid Red: Registration failed or network error
- Flashing Red: Boot failure or hardware error
- No Light: No power or network connection
- Amber Light: Firmware update in progress
Manual Downloads
Current Model Manuals
SPA942
4-Line Business IP Phone
SPA922
2-Line Business IP Phone
SPA962
6-Line Executive IP Phone
SPA504G
4-Line Gigabit IP Phone
Popular Previous Models
SPA941
4-Line Standard IP Phone
SPA921
2-Line Basic IP Phone
SPA962L
6-Line with Large Display
SPA525G2
5-Line Gigabit Color Phone