Final answer:
False. Good telephone etiquette demands that no customer should be placed on hold for longer than a reasonable amount of time.
Step-by-step explanation:
False. Good telephone etiquette demands that no customer should be placed on hold for longer than a reasonable amount of time. While there is no specific rule or time limit universally agreed upon, it is generally considered good practice to keep customers on hold for as short a time as possible. Holding a customer for more than 20 minutes can lead to frustration and a negative customer experience.