# Telnyx Wireless: Messaging — Documentation Index
> Messaging documentation within the Wireless section of the Telnyx developer docs (https://developers.telnyx.com).
> Root index: https://developers.telnyx.com/llms.txt · Wireless index: https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/llms/wireless.txt · Full content for this subsection: https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/llms/wireless/messaging-full.txt

- [Overview](https://developers.telnyx.com/docs/iot-sim/messaging-settings.md): Send and receive SMS, MMS, and RCS messages directly to and from cellular phone numbers attached to Telnyx IoT SIM cards (coming soon).