VoIP adapters are very simple devices that perform one crucial function. They convert analog voice signals into digital IP packets. These files are sent over the IP network. To put it in plain words, it’s a bridge between the IP network and a desktop phone.

They can be categorized into 3 groups: a single FXS, a dual FXS, and an FXO/FXS. Pick a suitable option based on the telephone, router, POTS line, protocols, and codecs. Today, we’ll quickly examine the top 7 models of VoIP adapters in 2020.

The unconditional leader

Probably the best choice of the year is Ooma Telo Free Home Phone Service. The best feature of this company is the PureVoice HD. Moreover, it’s integrated with the Amazon Echo. This device promises free nationwide calls of better quality, easy installation, and remote voicemail retrieval.

Other choices worth your consideration

  • Obihai Obi202 2-Port VoIP Phone Adapter

It is compatible with Google Assistant. One simple interface makes it user-friendly. Work with up to 4 services as it is very simple in terms of installation and usage. The model has 1 USB for the company’s accessories.

  • Grandstream GS-HT802

The model has 2 FXS ports and supports 2 SIP profiles. You can share it with somebody else. It also comes with good security features. A very compact model for those who don’t like bulky options.

  • MagicJack Go Digital Phone Service

You’ll get free calls within the country as well as to Canada. The device also stands out offering free calls to users with the same adapter brand. Calls in other regions have low rates. It’s the most portable model on the list that comes with a bundle of extras.

  • Obihai Obi200 1-Port VoIP Phone Adapter

It is an older version of the previously discussed model. It is compatible with Google Voice. It’s very easy to install and start using. What’s more, a user gets features like forwarding and waiting. The device has a USB input for Obihai accessories. The biggest advantage is that it lets you block nuisance callers.

  • Cisco SPA112 2-Port

This model stands out by delivering very affordable plans and distinctive ringtones. It’s a perfect solution for small business owners, especially home-based ones. Like most other models it has forwarding, voicemail, caller ID, etc.

  • Vonage Home Phone Service HT802-VD

The most affordable solution on the list. It has a small monthly fee and unlimited nationwide calls as well as calls to Canada and Mexico. The model has a dedicated app, phone number, and other features. One of the peculiar advantages is that voicemails can be transcribed and received via text or email.


Choosing a VoIP adapter, you should account for 4 main factors. It’s also a wonderful opportunity to keep on using your handset with the help of the web. As we’ve discussed above, you must pick a suitable model based on them as well as your preferences. You may also pick one of the top adapters of this year because they deliver the best quality of services at reasonable prices.