Some MI systems are also used to send communications to parents or guardians about, for example, school trips or sports days or to remind them of teacher training days.
Mae rhai systemau MI yn cael eu defnyddio i anfon gwybodaeth i rieni neu wracheidwaid, er enghraifft, am dripiau ysgol, mabolgampau, neu i’w hatgoffa am ddiwrnodau hyfforddiant i athrawon.