Use free SIP accounts for free internet calls

The Session Initiation Protocol (SIP) is used in VoIP communication. It mainly allows users to make free voice and video calls over the Internet. Having a free SIP account is a great way to make free calls. You start by choosing a SIP provider who will assign you a SIP account for free. Use it with softphone software, an app or a VoIP compatible phone.

Contents
  1. Free OnSIP subscription
  2. What do we like?
  3. What we don’t like
  4. IPtel
  5. What do we like?
  6. What we don’t like
  7. SIP2SIP
  8. What do we like?
  9. What we don’t like
  10. AntiSIP
  11. What do we like?
  12. What we don’t like

Free OnSIP subscription

What do we like?

  • The plan includes 100 users with unlimited extensions – ideal for teams.

  • Weak and Zendesk integrations.

What we don’t like

  • The app suite can be a bit Byzantine to navigate.

  • Some more documentation updates after the GetOnSIP migration to the free OnSIP plan.

OnSIP is a paid VoIP service provided by Junction Networks. However, the company also offers a free OnSIP plan for people who want to create a free SIP address. The free OnSIP plan provides a group solution for voice, video and messaging. Features include:

  • Up to 100 users.

  • Free SIP-to-SIP calls.

  • Custom web call links and HTML buttons.

  • Integrates with Slack and Zendesk.

  • Can be used as a Google Chrome extension.

The free OnSIP plan replaces the company’s GetOnSIP program.

Visit OnSIP

IPtel

What do we like?

  • Simple service portfolio.

  • Free for life.

What we don’t like

  • There are no options for PTSN termination – so it’s SIP-to-SIP only.

  • The Barebones website raises questions about how long the company will exist.

IPTel.org provides IP telecommunication services and hosts various projects such as SIP Express Router, SIP Express Media Server and SIP Express Router Web. IPTel also provides comprehensive information about SIP communications on its website. The free SIP account that IPTel offers is of good quality and is only available with a simple registration.

You have been assigned a lifetime SIP account that you can use to make audio and video calls to users of IPTel.org and other domains. You can access VoIP telephony services through web browsers without the need for special equipment, a SIP-enabled phone, softphone or smartphone app.

Visit IPTel

SIP2SIP

What do we like?

  • Free and easy to use.

  • Decent design.

  • Optimized for SylkServer.

What we don’t like

  • Consumer use is not a priority for developers.

  • Separate applications for video and audio.

SIP2SIP is a simple SIP service provided by AG Projects. This is a free SIP service based on a fair use policy. Signing up and managing your account is easy. AG Projects offers this free SIP service as a way for users to test the features of their products. With any of the compatible apps or clients, you can:

  • Make audio and video calls.

  • Chat and file transfer.

  • Make conference calls.

Visit SIP2SIP

AntiSIP

What do we like?

  • Pure SIP SIP provider.

  • Good documentation.

What we don’t like

  • A few red flags – for example, the official contact is a person in France who is promoting their Gmail account.

The Antisip service offers a range of SIP based services. Among them is a free SIP account that provides VoIP to VoIP services. The company recommends downloading the Antisip app for Android mobile devices, but a SIP account will work with other devices as well.

Links to YouTube tutorials are available on the website for new users of SIP.

Download AntiSIP for Android

Visit AntiSIP

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