Zephyr RTOS is a real time operating system that is quickly on the rise, with many companies adopting it in place of alternatives such as FreeRTOS due to many benefits Zephyr provides. One of the largest benefits of Zephyr is the standardized interfaces it provides for many devices and protocols. As such, expanding upon these can provide great benefit. Working with T-Mobile, Jared sees utility for the Zephyr RTOS within cellular IoT applications, and as such seeks to improve functionality of cellular modems through better support of their various functions. In particular, his presentation will cover an initial concept for a standardized interface for SMS messaging for use within Zephyr.