Maimonides Minute – Hilchot Tefilah 6:4-5 (What is prohibited once it is time to daven?)

Once the time for Shacharit has arrived, what activities are prohibited? What about when it’s time for Mincha? What are the activities that one is fully prohibited from doing, and what are the activities that one should not engage in, but, if he already started them, he need not stop?