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Exam Code 300-815
Exam Name Implementing Cisco Advanced Call Control and Mobility Services
Vendor Cisco
Total Questions 242
Last Updated 26-Oct, 2026
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Free 300-815 Practice Questions

Explore 4 free practice questions for the Cisco 300-815 exam and review the answers and explanations to support your preparation.

  1. Question 1

    Single answer

    When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?

    • Option A:
       ALERTING
      Correct
    • Option B:
       PROCEEDING
      Correct
    • Option C:
      CONNECT
      Correct
    • Option D:
      RINGING
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

  2. Question 2

    Multiple answers

    Which two extended capabilities must be configured on dial peers for fast start-to-early media scenarios (H.323 to SIP interworking)? (Choose two.)

    • Option A:
      DTMF
      Correct
    • Option B:
      BFCP
      Correct
    • Option C:
      VIDEO
      Correct
    • Option D:
      FAX
      Correct
    • Option E:
      AUDIO
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, B

  3. Question 3

    Multiple answers

    The administrator of ABC company is troubleshooting a one-way audio issue for a call that uses H.323 protocol (slow-start mode). The administrator requests that you provide the IP and port information of the Real- Time Transport Protocol traffic that had the one-way audio call. You gather the H.225 and H.245 messages for one of the one-way audio calls. Where can you find the RTP IP and port information for both sides? (Note: This call flow has not invoked any media resources like MTP.

    • Option A:
      H.245 Terminal Capability Set
      Correct
    • Option B:
      H.245 Open Logical Channel
      Correct
    • Option C:
      H.225 Connect
      Correct
    • Option D:
      H.245 Open Logical Channel Ack
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

  4. Question 4

    Multiple answers

    In an active SIP call between phone user A and phone user B, phone A initiates a call transfer to phone user C. Which two scenarios are correct? (Choose two.)


    • Option A:
      Phone_A sends a SIP-REFER message to the Cisco Unified Communications Manager with Phone_C information in the Refer-To section.
      Correct
    • Option B:
      Phone_B sends a SIP-REFER message to the Cisco Unified CM with Phone_C information in the Refer-To section.
      Correct
    • Option C:
      As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the MOH audio is chosen from Phone_B User Hold MOH Audio Source settings.
      Correct
    • Option D:
      As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the music on hold and the MOH audio is chosen from Phone_A Network Hold MOH Audio Source settings. 
      Correct
    • Option E:
      As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the  MOH audio is chosen from Phone_A User Hold MOH Audio Source settings.
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A, D