It allows users to make mostly free voice and video calls online.
Having a freeSIPaccount is a great way to make free calls.
You begin by choosing an SIP provider to assign you an SIP accountat no charge.
Using a voice call headset via VOIP/SIP.Alistair Berg / Getty Images
Use it withsoftphonesoftware, an app, or a VoIP-compatible phone.
SIP2SIP
Free and easy to use.
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.
Using any of the compatible apps or clients you might:
AntiSIP
Pure SIP-to-SIP provider.
The Antisip service offers a set of SIP-based services.
Among them is a free SIP account that provides VoIP-to-VoIP services.
Links to YouTube tutorials are available on the website for users who are new to the SIP experience.
OnSIP Free Plan
Plan includes 100 users with unlimited extensions; great for teams.
Slack and Zendesk integrations.
system 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.
The OnSIP Free Plan provides a web-based voice, video, and messaging solution for teams.
The features include:
The OnSIP Free Plan replaces the company’s GetOnSIP program.