Answer:
The correct answer to the following question is option c.) time zone barriers.
Explanation:
When the maximum length of voice mails is set then, the calls that are sent to the voice mail will only recorded up to the that limit. We can also specify the any value from 1 to 60 minutes.
Note: When the voice mails transcription option is enable then, we can specify the any value between from 1 and 2 minutes.