Final answer:
Smiling while speaking is the correct action that can reduce message failure in a telephonic conversation as it makes the tone friendlier and more engaging, and helps in clear communication.
Step-by-step explanation:
To reduce the chances of message failure in a telephonic conversation, it is important to avoid using specific terms or jargon and instead focus on enunciating clearly and using respectful language. Among the given options, smiling while speaking is the action that can help reduce message failure.
Smiling can positively influence the tone of your voice, making it friendlier and more engaging, which is essential for effective vocal delivery.
This, in turn, helps in establishing a bond with your listener and facilitates comprehension. On the contrary, using jargon and colloquialisms, refraining from using voice inflection, and avoiding pausing occasionally can lead to misunderstandings or a lack of engagement with the listener.
To reduce the chances of message failure in a telephonic conversation, it is important to use clear and respectful language, avoiding jargon and colloquialisms which may not be understood by the listener. Voice inflection should be utilized to convey emotions and attitudes effectively.
Pausing occasionally can be helpful for clarity and to give the listener time to process the information. Additionally, smiling while speaking can create a positive tone and improve communication.