The Cisco SPA504G IP Phone is a reliable and affordable mid‑range VoIP desk phone designed for small to medium‑sized businesses. Featuring 4 SIP lines, HD voice, and dual Ethernet ports with integrated PoE, the SPA504G provides essential communication features with Cisco’s renowned voice quality and network interoperability.
Key Features:
Supports 4 SIP accounts/lines with independent LCD line appearances
2.8″ (320×240) backlit grayscale LCD display with adjustable contrast
HD voice with G.722 wideband codec and full‑duplex speakerphone
Dual 10/100 Mbps Ethernet ports with integrated PoE
3 contextual soft keys, 4-way navigation cluster, and dedicated feature keys
Caller ID, call transfer, hold, forwarding, conferencing, and voicemail access
XML services for customizable display-based applications
Headset support via RJ‑9 port and universal headset jack
Secure provisioning via TFTP, FTP, HTTP, HTTPS and QoS features
Wall-mount able with optional stand kit
The SPA504G installs easily using PoE or AC adapter power. Its intuitive interface with programmable line keys and soft buttons allows users to access call controls and phone book entries quickly. As a Cisco-supported device, it integrates seamlessly with SIP-based systems and offers reliable firmware updates and vendor support.
Ideal for offices, healthcare clinics, and reception areas, the Cisco SPA504G delivers multiple lines, essential telephony functions, and Cisco-grade compatibility in a cost-effective package without sacrificing quality.
Conclusion:
The Cisco SPA504G IP Phone is an efficient and dependable VoIP solution for businesses that need up to four lines, HD voice quality, and secure provisioning. It combines Cisco reliability with simplicity and affordability,perfect for everyday professional communication.





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