SIP Service Providers That Offer Free SIP Accounts Menu Lifewire Tech for Humans Newsletter! Search Close GO Email, Messaging, & Video Calls > Texting & Messaging 48 48 people found this article helpful

SIP Service Providers That Offer Free SIP Accounts

Use any of these SIP accounts to make free online calls

By Nadeem Unuth Nadeem Unuth Freelance Contributor University of Mauritius Nadeem Unuth is a former freelance contributor to Lifewire who specializes in information and communication technology with a focus on VoIP. lifewire's editorial guidelines Updated on July 25, 2021 Reviewed by Michael Barton Heine Jr Reviewed by Michael Barton Heine Jr Michael Heine is a CompTIA-certified writer, editor, and Network Engineer with 25+ years' experience working in the television, defense, ISP, telecommunications, and education industries. lifewire's editorial guidelines Tweet Share Email Tweet Share Email Texting & Messaging Email Texting & Messaging Video Calls Session Initiation Protocol (SIP) is used in Voice over Internet Protocol (VoIP) communications. It allows users to make mostly free voice and video calls over the internet. Having a free SIP account is a great way to make free calls. You begin by choosing a SIP provider that assigns you a ​SIP account at no charge. Use it with softphone software, an app, or a VoIP-compatible phone. 01 of 03

OnSIP Free Plan

What We Like Plan includes 100 users with unlimited extensions; great for teams. Slack and Zendesk integrations. What We Don't Like Application suite can be a bit difficult to navigate. Still some documentation updating after the GetOnSIP migration to the OnSIP Free Plan. OnSIP is a paid VoIP service offered by Junction Networks. However, the company also offers the OnSIP Free Plan to people who want to create a free SIP address. The OnSIP Free Plan provides a web-based voice, video, and messaging solution for teams. The features include: Up to 100 users. Free SIP-to-SIP calling. Custom web call links and HTML buttons. Integrates with Slack and Zendesk. Able to use as a Google Chrome extension. The OnSIP Free Plan replaces the company's GetOnSIP program. Get OnSIP 02 of 03

SIP2SIP

What We Like Free and easy to use. Decent design. Optimized for SylkServer. What We Don't Like Consumer-facing usage doesn't seem to be the developer's priority. Separate apps for video and audio. SIP2SIP is a straightforward SIP service offered by AG Projects. It is a free SIP service based on a fair-use policy. Registration and account management are easy. AG Projects offers this free SIP service as one way for users to test the features present in its products. Using any of the compatible apps or clients you can: Make audio and video calls.Chat and transfer files.Make conference calls. Get SIP2SIP 03 of 03

AntiSIP

What We Like Pure SIP-to-SIP provider. Good documentation. What We Don't Like Clunky user interface. The Antisip service offers a set of SIP-based services. Among them is a free SIP account that provides VoIP-to-VoIP services. The company recommends downloading its Antisip app for Android mobile devices, but the SIP account works with other devices. Links to YouTube tutorials are available on the website for users who are new to the SIP experience. Download AntiSIP for Android Get AntiSIP Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit More from Lifewire Top Free SIP Apps for Your Computer 4 Best Free Online Backup Plans (October 2022) What Is SIP and How Does It Work? Free and Cheap VoIP Services for iPhone How to Turn Your iPod Touch Into a Phone 21 Best Cloud Backup Services Reviewed (October 2022) Best Free Internet Phone Calls Apps (October 2022) The 5 Best Apps to Make Free International Calls (2022) 17 Best Free Cloud Storage Services for Backup in 2022 How to Get a Free Phone Number EyeBeam Phone App Review Make Free Calls on Your iPad How to Get Started With VoIP The Top 10 Personalized Start Pages for Your Web Browser The 22 Best Free iPad Apps of 2022 The 8 Best Free Skype Alternatives of 2022 Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies