Best VoIP Telephone Adapters Under $100 (2026)
We ranked devices under $100 by value score using average user ratings, feature set (ATA ports, power specs, included accessories), and suitability for home or small-office VoIP use
This roundup covers VoIP telephone adapters and related accessories priced under $100, focusing on devices that add landline-style phone capability to internet voice services for home and small-office use. Selections were chosen by value score, user ratings, and practical features such as ATA ports, power compatibility, and included accessories
Top Picks
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1
Yealink 5V 2A power supply for IP phones (bundle with microfiber cloth)
Authentic Yealink power adapter with 5V 2A output, universal input. Includes a Global Teck microfiber cloth for device maintenance. Compatible with multiple Yealink IP phones
- authentic Yealink compatibility
- compact 5V 2A output
- universal input compatibility
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2
ooma Telo VoIP home phone adapter
VoIP home phone adapter with nationwide calling and low international rates. Includes voicemail and caller-ID with a mobile app for on-the-go use. Customers note reliable setup and clear call quality
- nationwide calling included
- pure voice hd quality
- free mobile app integration
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3
Yealink 5V 1.2A power adapter for multiple Yealink phones
Power adapter with 5V 1.2A output and wide input range. Includes microfiber cloth; compatible with a wide range of Yealink models. Customers note reliable power delivery
- universal input, stable 5v 1.2a
- yealink model compatibility
- included microfiber cloth
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4
magicJack VOIP Phone Adapter
VOIP phone adapter offering unlimited calling to US & Canada with app-based service. Customers note easy setup and value, though sound quality and connectivity can vary
- unlimited calling
- local and long-distance calls included
- portable internet phone with app
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5
Grandstream HT802 2-FXS Port Analog Telephone Adapter
2-port FXS ATA with TLS/SRTP security and auto provisioning. Helps integrate legacy phones with VoIP; mixed setup feedback and limited manual available
- 2 FXS ports for dual SIP profiles
- TLS/SRTP security
- TR-069/XML provisioning support
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6
Grandstream HT801 HandyTone 801 Single-Port ATA
Compact analog telephone adapter with a single FXS port and 10/100 Mbps Ethernet. Provides TLS/SRTP security and automated provisioning options; supports 3-way conferencing. Users note solid quality but setup can be technical and some report admin/login issues
- SIP-enabled single-port FXS adapter
- Secure encrypted calls (TLS/SRTP)
- Automated provisioning options
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7
XLink BT HD wireless handset adapter
Bluetooth cell-to-telephone adapter for home phones with 16KHz wide band audio. Auto-connects and supports antique phones; includes caller ID. Customers report solid sound and easy setup with occasional dropped calls
- wide band audio
- auto-connect
- antique phone support
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8
Grandstream HT802 V2 2 FXS Port Analog Telephone Adapter
2-FXS analog telephone adapter with 2 SIP profiles and 10/100 Mbps port. TLS/SRTP encryption protects calls and accounts. Easy automated provisioning options including TR-069 and XML config files. Customer note: easy to configure and functional
- 2 FXS ports for line flexibility
- secure calls with TLS/SRTP
- provisioning via TR-069/XML
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9
XLink BT - Original Bluetooth Cell to Home Telephone Adapter (Two Cell Phones)
Bluetooth phone adapter that lets home landlines handle calls from up to two cell phones with enhanced audio and auto-connect. Customers note easy setup and landline call functionality, with mixed sound quality and occasional dropped connections
- two-cell-phone to landline support
- automatic Bluetooth pairing
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10
Yealink EHS40 Headset Adapter
Yealink EHS40 headset adapter with wired connectivity and multiple compatibility options. Helps users connect headsets to Yealink IP phones; some users report mixed performance and audio quality insights
- wide Yealink phone compatibility
- multiple headset connections
- plug-and-play wired device