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VoIP Supply has been deemed an essential business during the COVID-19 pandemic and will continue to operate to support your business processes and needs.

Due to the high demand for headsets, power supplies, and web cameras, if your order becomes backordered one of our solutions consultants will call you to verify the ETA and to recommend an alternative product if needed. For more questions please chat or call us at 800-398-8647.

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About Yealink SFB IP Phones

Whether you are a professional or executive using Skype for Business for your communications, Yealink SFB IP phone is a must-have. Designed specifically for Skype for Business users, Yealink’s T4S Series comes with a big touchscreen, easy-to-use interface, one-click access to Skype for Business features, and more!


The T4S Series is also equipped with USB and Bluetooth connectivity, giving you the flexibility you need. For those who demand a higher capacity, simply connect your phone to the EXP40 Expansion Module and extend up to 240 contacts!

Why buy Yealink SFB IP Phones?

  • QoE support
  • Dual-port Gigabit Ethernet
  • Compatible with Office 365
Yealink IP and DECT Phones