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Guide for Implementing Cisco Advanced Call Control and Mobility Services

Quiz Implementing Cisco Advanced Call Control and Mobility Services

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/ 10

Quiz

1/10
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 or transcoders).
Select the answer
1 correct answer
A.
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 or transcoders). Answr 5:
B.
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 or transcoders).
C.
H.245 Terminal Capability Set
D.
H.245 Open Logical Channel
E.
H.225 Connect
F.
H.245 Open Logical Channel Ack

Quiz

2/10
Refer to the exhibit. Certification Exam Implementing Cisco Advanced Call Control and Mobility Services Cisco Cisco-300-815 2-3452101099 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.)
Select the answer
2 correct answers
A.
Phone_A sends a SIP-REFER message to the Cisco Unified Communications Manager with Phone_C information in the Refer-To section.
B.
Phone_B sends a SIP-REFER message to the Cisco Unified CM with Phone_C information in the Refer-To section.
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.
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.
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.

Quiz

3/10
Refer to the exhibit. Certification Exam Implementing Cisco Advanced Call Control and Mobility Services Cisco Cisco-300-815 3-2440762169 Users report that when they dial to Cisco Unity Connection from an external network, they cannot enter any digits. Assuming only in-band DTMF is supported, what is a reason for this malfunction?
Select the answer
1 correct answer
A.
The negotiated RTP port is outside of the range described by RFC, so inband DTMFs do not work.
B.
There is SIP Delayed Offer. DTMF is supported only in Early Offer.
C.
The rtpmap:0 value for the negotiated codec is marking DTMF as inactive.
D.
No DTMF is negotiated.

Quiz

4/10
Which two extended capabilities must be configured on dial peers for fast start-to-early media scenarios (H.323 to SIP interworking)? (Choose two.)
Select the answer
2 correct answers
A.
DTMF
B.
BFCP
C.
VIDEO
D.
FAX
E.
AUDIO

Quiz

5/10
When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?
Select the answer
1 correct answer
A.
ALERTING
B.
PROCEEDING
C.
CONNECT
D.
RINGING

Quiz

6/10
End users at a new site report being unable to hear the remote party when calling or being called by users at headquarters. Calls to and from the PSTN work as expected. To investigate the SIP signaling to troubleshoot the problem, which field can provide a hint for troubleshooting?
Select the answer
1 correct answer
A.
Contact: header of the 200 OK response
B.
Allow: header if the 200 OK response
C.
o= line of SDP content
D.
c= line of SDP content

Quiz

7/10
Why would RTP traffic that is sent from the originating endpoint fail to be received on the far endpoint?
Select the answer
1 correct answer
A.
The far end connection data (c=) in the SDP was overwritten by deep packet inspection in the call signaling path.
B.
Cisco Unified Communications Manager invoked media termination point resources.
C.
The RTP traffic is arriving beyond the jitter buffer on the receiving end.
D.
A firewall in the media path is blocking TCP ports 16384-32768.

Quiz

8/10
An administrator is troubleshooting call failures on an H.323 gateway via the CLI. To see signaling for media and call setup, which debug must the Administrator turn on?
Select the answer
1 correct answer
A.
debug H.323 messages
B.
debug H.225 asn1
C.
debug H.246 asn 1
D.
debug H.225 media
E.
debug H.323 asn 1

Quiz

9/10
What is first preference condition matched in a SIP-enabled incoming dial peer?
Select the answer
1 correct answer
A.
incoming uri
B.
target carrier-id
C.
answer-address
D.
incoming called-number

Quiz

10/10
Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)
Select the answer
2 correct answers
A.
Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767
B.
Ask the firewall administrator to change the ports to TCP.
C.
Ask the firewall administrator to change the range of UDP ports to 16384-32767.
D.
Go to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000.
E.
Go to System Parameters in Cisco Unified Communications Manager and change the range of media ports to 20000-22000.
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  • Quiz name:Implementing Cisco Advanced Call Control and Mobility Services
  • Total number of questions:119
  • Number of questions for the test:50
  • Pass score:80%

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