With Courtesy Callback, what does it mean to have a value "0" in Maximum Callbacks Per Calling Number?

Question

Options

• ACourtesy Callbacks start when "0" calls are in the queue.
• BNo Courtesy Callbacks are allowed.
• CCallbacks have been temporarily suspended for dialed number.
• DAny number of callbacks are allowed.

• A
  6% (2)
• B
  3% (1)
• D
  90% (28)

Explanation

In many contact center platforms (such as Cisco UCCX), a value of "0" in a maximum/limit field conventionally means "no limit" or "unlimited" - so setting Maximum Callbacks Per Calling Number to 0 places no ceiling on how many callbacks a single number can receive.

Why the distractors are wrong:

• A misreads the field entirely - it controls callbacks per number, not the queue depth threshold that triggers callback availability.
• B is the most tempting wrong answer, since "0 = none" is intuitive in everyday language, but in configuration fields like this, 0 signals no restriction, not a hard block.
• C confuses this setting with a suspend/pause feature, which would be a separate toggle, not a numeric field.

Memory tip: Think of "0 = unlimited" as a sysadmin convention - the same pattern appears in timeout fields (0 = wait forever), retry limits (0 = infinite retries), and rate limiters (0 = no cap). When a config field asks for a maximum and you enter 0, you're saying "don't enforce one."

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