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Implementing Cisco Unified Communications Manager: Digit Manipulation (CCNP Voice)

Chapter Description

This chapter describes digit manipulation tools that allow a CUCM administrator to implement flexibility and transparency in the dial plan of a company. The chapter covers external phone number masks, digit prefixing, digit stripping, transformation masks, translation patterns, and significant digits.

Review Questions

Use the questions here to review what you learned in this chapter. The correct answers are found in Appendix A, " Answers to Review Questions."

  1. The external phone number mask modifies which of the following for calls routed to the PSTN?

    1. ANI
    2. DNIS
    3. Caller ID name
    4. Route pattern
  2. What dial plan element is used to manipulate digits when a route pattern can be routed to multiple devices?

    1. Route pattern
    2. Route list
    3. Route group
    4. Gateway
    5. Trunk
  3. Which of the following items do external phone number mask configurations not have an effect upon?

    1. Automatic number identification
    2. Automatic alternate routing
    3. Extension mobility
  4. Calling party modifications change which portion of a phone number?

    1. ANI
    2. DNIS
  5. Called party modifications change which portion of a phone number?

    1. ANI
    2. DNIS
    3. RDNIS
    4. Original calling party
  6. Which of the following items is processed as urgent priority by default?

    1. Directory numbers
    2. 911
    3. Route patterns
    4. Translation patterns
  7. Which of the following patterns does the 10-10-Dialing digit discard instruction apply to?

    1. 9.!
    2. 9.[2–9]XXXXXX
    3. 9.@
    4. 9.1[2–9]XX[2–9]XXXXXX
  8. Which of the following digit discard instructions can be applied to a route pattern of 9.1[2–9]XX[2–9]XXXXXX?

    1. 10-10-Dialing
    2. 11D@10D
    3. PreDot
    4. PreDot 11D@10D
  9. A directory number of 11001 with an external phone number mask of 212551XXXX would result in what phone number?

    1. 11001
    2. 212 551-1001
    3. 212 551-100X
    4. 212 551-1001
  10. A number of 212 555-1212 with a called party transformation mask of 646XXX3456 would result in which of the following numbers?

    1. 212 555-1212
    2. 646 555-1212
    3. 646 555-3456
    4. 212 646-1212