Yealink SIP-T42S 12-Line Gigabit IP Phone — Refurbished

Save big on the Yealink SIP-T42S, a reliable 12-line business IP phone professionally tested and backed by Reef Telecom's industry-leading 10-year warranty. Ideal for offices, call centers, and hosted VoIP deployments using 3CX, Asterisk, BroadSoft, RingCentral, Nextiva, 8x8, and more.

Key Specifications

• 12 SIP Accounts — supports up to 12 lines with 15 programmable keys (5 keys, 3 pages)
• HD Voice — Yealink Optima HD Voice with Opus wideband codec for crystal-clear audio
• 2.7" Backlit LCD — 192x64-pixel graphical display for easy navigation
• Dual Gigabit Ethernet — 10/100/1000 ports with PC passthrough
• PoE Support — IEEE 802.3af compliant; no separate power adapter required with PoE switch
• USB 2.0 Port — connect Bluetooth headsets (BT41), Wi-Fi dongles (WF50), or USB flash drives for call recording
• Headset Support — RJ9 wired headset port plus EHS wireless headset support
• Wall Mountable — integrated stand with 2 adjustable angles
• 3-Way Conferencing — built-in conference bridge with full-duplex speakerphone

What's Included

• Yealink SIP-T42S IP Phone (factory reset, fully tested)
• Handset with curly cord
• Base stand

Note: Power adapter sold separately. This phone supports PoE for convenient plug-and-play installation.

Why Buy from Reef Telecom?

• 10-Year Warranty — the longest in the industry for refurbished telecom equipment
• Free Shipping on orders over $300
• Every unit professionally inspected, cleaned, and tested

The Yealink SIP-T42S is compatible with all major SIP-based PBX platforms and hosted VoIP providers. A cost-effective solution for businesses upgrading their phone systems without paying new-equipment prices.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

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