Question 216

Refer to the exhibit. Cisco Unified Border Element is attempting to establish a call with Subscriber
1, but the call fails. Cisco Unified Border Element then retries the same call with Subscriber 2, and the call proceeds normally. Which action resolves the issue?
  • Question 217

    Refer to the exhibit. Which codec should an engineer select for a call mode between "Dallas- REG" &
    "Austin-REG"?
  • Question 218

    Refer to the exhibit.

    The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?
  • Question 219

    Refer to the exhibit.

    Refer to the exhibit. Given this "debug isdn q921" output, what is the problem with the PRI?
  • Question 220

    Refer to the exhibit. An administrator must fix the SRV records to ensure that server1.sample.com is always contacted first from the three servers. Which solution should the engineer apply to resolve this issue?