# CallForwardingSignal Incubating API Repository to evolve and maintain the definitions and documentation of CallForwardingSignal Service API within the Sub Project [Call Forwarding Signal](https://lf-camaraproject.atlassian.net/wiki/x/IIAfBQ). * API Repository [wiki page](https://lf-camaraproject.atlassian.net/wiki/x/HADe) ## Scope * Service APIs for “CallForwardingSignal” (see APIBacklog.md) * It provides the API consumer with the ability to: * retrieve information about the status of the Call Forwarding Service on a specific phone number. * avoid fraud leveraging the Call Forwarding Service. * The main scope of the Call Forwarding Signal API is anti fraud to avoid fraudsters to use the Call Forwarding Service to carry on a scam. Other use cases are anyway supported by the Call Forwarding Signal API that also provides additional endpoints to detect the general Call Forwarding Service settings. * Describe, develop, document and test the API * Started: February 2024 * Incubating stage since: February 2025 ## Release Information > [!NOTE] > Please be aware that the project will have frequent updates to the main branch. There are no compatibility guarantees associated with code in any branch, including main, until a new release is created. For example, changes may be reverted before a release is created. **For best results, use the latest available release**. * **NEW**: The latest public release is [r3.3](https://github.com/camaraproject/CallForwardingSignal/releases/tag/r3.3) (Fall25), with the following API versions: * **call-forwarding-signal v0.4.0** [[YAML]](https://github.com/camaraproject/CallForwardingSignal/blob/r3.3/code/API_definitions/call-forwarding-signal.yaml) [[ReDoc]](https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/camaraproject/CallForwardingSignal/r3.3/code/API_definitions/call-forwarding-signal.yaml&nocors) [[Swagger]](https://camaraproject.github.io/swagger-ui/?url=https://raw.githubusercontent.com/camaraproject/CallForwardingSignal/r3.3/code/API_definitions/call-forwarding-signal.yaml) * The latest public release is always available here: https://github.com/camaraproject/CallForwardingSignal/releases/latest * Other releases of this repository are available in https://github.com/camaraproject/CallForwardingSignal/releases * For changes see [CHANGELOG.md](https://github.com/camaraproject/CallForwardingSignal/blob/main/CHANGELOG.md) _The above section is automatically synchronized by CAMARA project-administration._ ## Contributing * Meetings are held virtually * Schedule: Monday 15h-16 CET, usually every two weeks. For the next meetings information, have a look on the [API Wiki Page](https://lf-camaraproject.atlassian.net/wiki/spaces/CAM/pages/14549020/CallForwardingSignal). * [Registration / Join](https://zoom-lfx.platform.linuxfoundation.org/meeting/96706226837?password=2d113354-bf97-4441-8d6d-9fd0ae69f2d1) * Minutes: Access [meeting minutes](https://lf-camaraproject.atlassian.net/wiki/spaces/CAM/pages/14574452/CallForwardingSignal+Minutes?atlOrigin=eyJpIjoiNjc1Mzc3ZWIwNGI4NGRhMmE2YjBkMGFjNmFjMTNiZDUiLCJwIjoiYyJ9) * Mailing List * Subscribe / Unsubscribe to the mailing list . * A message to all Contributors of this Sub Project can be sent using .