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Terms of Use

These terms apply when you use Callixy. They include the community rules that keep calls and chats safe for everyone. Please read them; creating a line means you accept them.

Version 2026-11-10. Last updated 10 November 2026.

The service

Callixy lets people make voice and video calls, share a screen, chat and leave voice or video messages between Callixy lines, on phones and computers. It is offered through the Callixy app for Android and the web app at voip.3dar4.org. Callixy is free to use. Your mobile operator or internet provider may charge for the data you use.

Callixy only connects Callixy lines. It does not connect to ordinary phone numbers.

Who can use Callixy

  • You must be at least 13 years old, or older if your country or territory sets a higher minimum age. If local law requires permission from a parent or guardian, you must have it before creating a line.
  • A line is for one person. Do not share your line or use someone else's.
  • You must not use Callixy if the law that applies to you forbids it, or if we have closed a line of yours for breaking these terms.

Your line and password

  • Your line number is given to you by Callixy (lines created before October 2026 chose their own) and is not verified. Do not choose a number to make people believe you are someone else.
  • Keep your password secret. You are responsible for what happens on your line unless someone else used it without your fault.
  • A line is signed in on one device at a time. Signing in somewhere else signs out the previous device.
  • After repeated wrong passwords a line is locked for a short time to protect it.

Community rules

When you use Callixy, do not:

  • Share, request or promote any sexual content involving a minor, or try to contact a minor for sexual purposes. We have zero tolerance for child sexual abuse and exploitation and report it to the authorities (see Child safety standards).
  • Harass, bully, threaten or intimidate anyone, or encourage violence or self-harm.
  • Send sexual or nude content to people who did not ask for it, or share intimate images of anyone without their consent.
  • Attack or demean people because of their race, ethnicity, nationality, religion, disability, sex, gender, sexual orientation or similar characteristics.
  • Send spam, scams, phishing links or unwanted bulk calls or messages.
  • Impersonate another person or organization.
  • Record or share a call or message of someone else where the law requires their consent and you do not have it.
  • Use Callixy for anything illegal, including fraud, selling illegal goods or infringing other people's rights.
  • Send malware, or try to break, overload, probe or get around the security, limits or blocks of Callixy, or to access lines or data that are not yours.
  • Use automated means to create lines, call, message or collect information from Callixy.

No emergency calls

Callixy cannot call emergency services such as 112, 911 or 999, and it cannot share your location with them. Always keep another way to call for help.

Reports and enforcement

Anyone can report a line or a message from the app. The Callixy team reviews reports, with child-safety reports first. When a line breaks these terms, we may warn the owner, delete content, close the line so that it can no longer sign in, or delete it, depending on how serious and repeated the problem is. The owner of a closed line is told why when they try to sign in. Content that suggests the abuse of a child, or a real threat to someone's life, is reported to the authorities. If you think we made a mistake, write to us with the contact form and we will look again.

Blocking a line stops it from calling you, chatting with you or leaving you messages. Blocking is up to you and is not a judgement by the Callixy team.

Your content

The messages, recordings, names and photos you send stay yours. You allow Callixy to store, process and deliver them only as needed to run the service for you and the people you talk to, as described in the Privacy Policy. We do not use them for advertising. You are responsible for what you send and must have the right to send it.

Availability

Callixy is built to keep calls going on weak and filtered networks, but no service can promise that every call connects. Networks, devices, operators and laws are outside our control, and we may need to pause the service for maintenance or security. We may change, add or remove features, and we will try to tell you in advance about important changes.

Disclaimers and liability

Callixy is provided "as is" and "as available". As far as the law allows, we give no warranties about the service and are not liable for indirect or consequential losses, lost data or lost profits, or for the content other users send. Nothing in these terms limits any rights you have under consumer law that cannot be limited, or our liability where the law does not allow it to be excluded.

Ending your use

You can stop using Callixy and delete your line at any time. We may suspend or close a line that breaks these terms or the law, or if we stop offering Callixy; where we can, we will tell you before and give you time to leave.

Changes to these terms

When these terms change, the new version and its date appear on this page. If the change matters, the app will ask you to accept the new version before you go on using Callixy.

Contact

Questions about these terms: write to the Callixy team with the contact form.