Cisco SPA508G 8-Line IP Phone — Refurbished to Like-New Condition

Upgrade your business communications with the Cisco SPA508G 8-Line IP Phone, a reliable VoIP desk phone from Cisco's Small Business Pro Series. Fully tested and backed by Reef Telecom's industry-leading 10-year warranty, this refurbished SPA508G delivers enterprise-grade call management at a fraction of the cost of new.

Key Features & Specifications

• 8 Voice Lines — Handle multiple calls with eight independent SIP registrations
• Dual Ethernet Ports — Integrated 10/100BASE-T switch lets you share one cable drop between phone and PC
• Power over Ethernet (PoE) — 802.3af compliant; no separate power adapter needed with a PoE switch
• Backlit LCD Display — 128 x 64 monochrome screen for easy call management and on-screen apps
• HD Wideband Audio — Crystal-clear voice quality via handset, headset (2.5mm jack), or full-duplex speakerphone
• Protocol Support — SIP and SPCP compatible with hosted VoIP platforms (RingCentral, Nextiva, 8x8) and Cisco UC500 Series
• Expandable — Supports up to two Cisco SPA500S expansion modules for up to 64 additional buttons
• Secure Provisioning — HTTPS, TLS, SRTP, and up to 256-bit AES encryption for remote management

What's Included

• Cisco SPA508G IP Phone
• Handset with cord
• Desk stand

Note: Power adapter sold separately — Cisco PA100-NA (not required if using PoE).

Ideal For

Small businesses, home offices, call centers, and multi-site deployments needing an affordable, feature-rich 8-line VoIP phone. Compatible with most SIP-based hosted PBX and on-premise IP PBX systems.

Free shipping on orders over $300. Every refurbished phone from Reef Telecom is backed by our 10-year warranty — the longest in the industry.

Condition

Certified Refurbished

Warranty

10-Year Reef Telecom Warranty

Manufacturer Part Number

SPA508G

Reef SKU

SPA508G-R

UPC

882658270017

Brand

Cisco

Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.