Exam Overview
| 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.
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Question 1
Single answerWhen you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?
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Option A:Correct
ALERTING
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Option B:Correct
PROCEEDING
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Option C:Correct
CONNECT
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Option D:Correct
RINGING
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: A
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Question 2
Multiple answersWhich two extended capabilities must be configured on dial peers for fast start-to-early media scenarios (H.323 to SIP interworking)? (Choose two.)
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Option A:Correct
DTMF
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Option B:Correct
BFCP
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Option C:Correct
VIDEO
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Option D:Correct
FAX
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Option E:Correct
AUDIO
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: A, B
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Question 3
Multiple answersThe 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.
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Option A:Correct
H.245 Terminal Capability Set
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Option B:Correct
H.245 Open Logical Channel
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Option C:Correct
H.225 Connect
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Option D:Correct
H.245 Open Logical Channel Ack
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: B
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Question 4
Multiple answersIn 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.)

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Option A:Correct
Phone_A sends a SIP-REFER message to the Cisco Unified Communications Manager with Phone_C information in the Refer-To section.
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Option B:Correct
Phone_B sends a SIP-REFER message to the Cisco Unified CM with Phone_C information in the Refer-To section.
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Option C:Correct
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.
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Option D:Correct
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.
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Option E:Correct
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.
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Correct Answer: A, D
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