No. It is the same message for all voice messages including language translated messages. Your posts's or alert's description is the content School Signals uses to generate the voice message and provide them in the parent's language.
The message states that a call is made for the school name. The message also states the admin or teacher who created the message.
Additionally, the message states that the number does not accept incoming calls and that parents/caregivers should contact the school for more information if needed.