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Implementing Cisco Advanced Call Control and Mobility Services (CLACCM) Question and Answers

Implementing Cisco Advanced Call Control and Mobility Services (CLACCM)

Last Update May 15, 2024
Total Questions : 119

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Questions 1

An administrator is working on an issue between the customer s Cisco Unified Border Element and the service provider. The provider only wants to see mid-call signaling from the Cisco Unified Border Element for fax calls. Which command must be configured on Cisco Unified Border Element?

Options:

A.  

midcall-signallng passthru

B.  

midcall-signaling preserve-codec

C.  

no update-callerid

D.  

midcall-signaling passthru media-change

Discussion 0
Questions 2

Which call pickup feature allows users to pick up incoming calls in a group that is associated with their own group?

Options:

A.  

Other Group Pickup

B.  

BLF Call Pickup

C.  

Group Call Pickup

D.  

Directed Call Pickup

Discussion 0
Questions 3

Due to a shortage of physical interfaces on a device the administrator requires that a loopback for RTP is used. Which command is required when using a loopback interface for RTP?

Options:

A.  

voice-class sip resources priority mode passthrough

B.  

voice-class sip bind control source-interface Loopback0

C.  

voice-class sip early-offer forced.

D.  

voice-class sip bind media source-interface Loopback0

Discussion 0
Questions 4

Calls to a particular extension are not routing to voicemail. The user reaches the voicemail system from the handset by pressing the Messages button Which configuration parameter causes this problem?

Options:

A.  

The voicemail pilot number for call forwarding is missing from the ephone-dn

B.  

The voicemail pilot number is missing from the call handling on Cisco Unity Express

C.  

The voicemail pilot number is missing from the telephony service configuration on Cisco UCME

D.  

The voicemail pilot number for call forwarding is missing from the ephone

Discussion 0
Questions 5

Refer to the exhibit.

A Cisco Unified Border Element continues to send 180/183 with the required: 100rel header to Cisco UCM. and the call eventually disconnects How is the issue resolved?

Options:

A.  

Enable 'SIP ReI1XX Options* and -Early Offer Support" on the SIP Profile Configuration Page in Cisco UCM.

B.  

Enable *Early Offer support for voice and video calls" on the SIP Profile Configuration Page in Cisco UCM.

C.  

Disable "SIP Rel1XX Options* and 'Early Offer Support* on the SIP Profile Configuration Page m Cisco UCM.

D.  

Disable "Send send-receive SDP in mid-call INVITE* on the SIP Profile Configuration Page in Cisco UCM.

Discussion 0
Questions 6

Refer to the exhibit.

While troubleshooting call failures on the Cisco Unified Border Element, an administrator notices that messages are being sent to the service provider, but there is no response The administrator later learns that this SIP provider does not support PRACK. Which header should be removed from the SIP message to resolve this issue?

Options:

A.  

Content-Disposition: session:handling=required

B.  

Require 100rel

C.  

Contact

D.  

Content-Type: application/sdp

Discussion 0
Questions 7

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.)

Options:

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.

Discussion 0
Questions 8

Refer to the exhibit.

A user dials 84969010 and observes that the call is not routed immediately. The administrator notices that after matching the fixed-length translation pattern, the call hits the \+! pattern and waits for interdigit timeout What should be configured to ensure that the call routes out immediately?

Options:

A.  

Allow Device Override on the route pattern

B.  

Route Next Hop By Calling Party Number on the translation pattern

C.  

Do Not Wait For Interdigit Timeout On Subsequent Hops on the translation pattern

D.  

Do Not Wait For Interdigit Timeout On Subsequent Hops on the route pattern

Discussion 0
Questions 9

Refer to the exhibit.

An administrator is troubleshooting why users are not hearing audio when dialing long distance numbers across their Cisco Unified Border Element. The customer’s carrier has a requirement that dialing long distance requires an access code to be entered. Looking at the exhibit, what two actions can be taken to correct signaling? (Choose two.)

Options:

A.  

Enable PRACK.

B.  

Enable Early Offer on the Cisco Unified Border Element.

C.  

Enable the supplementary-service media-renegotiate command.

D.  

Enable Media Flow Around

E.  

Enable Mid-Call Signaling Consumption.

Discussion 0
Questions 10

Which description of RTP timestamps or sequence numbers is true?

Options:

A.  

The sequence number is used to detect losses.

B.  

Timestamps increase by the time “carrying” by a packet.

C.  

Sequence numbers increase by four for each RTP packet transmitted.

D.  

The timestamp is used to place the incoming audio and video packets in the correct timing order (playout

delay compensation).

Discussion 0
Questions 11

Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)

Options:

A.  

TokenID

B.  

username and secret key

C.  

TLS certificates

D.  

passwords

E.  

FQDN of the servers defined in DNS

Discussion 0
Questions 12

A user reports that when they attempt to log out from the Cisco Extension Mobility service by pressing the Services button, they cannot log out. What is the most likely cause of this issue?

Options:

A.  

The Cisco Extension Mobility service has not been configured on the phone.

B.  

There might be a significant delay between the button being pressed and the Cisco Extension Mobility service recognizing it. It would be best to check network latency.

C.  

The user device profile has not been assigned to the user.

D.  

The user device profile is not subscribed to the Cisco Extension Mobility service.

Discussion 0
Questions 13

A user reports when they press the services key they do not receive a user ID and password prompt to assign the phone extension. Which action resolves the issue?

Options:

A.  

Create the default device profiles for all phone models that are used.

B.  

Subscribe the phone to the Cisco Extension Mobility service.

C.  

Create the end user and associate it to the device profile.

D.  

Assign the extension as a mobile extension.

Discussion 0
Questions 14

Refer to the exhibit.

An administrator is troubleshooting a problem in which some outbound calls from an internal network to the Internet telephony service provider are not getting connected, but some others connect successfully. The firewall team found that some call attempts on port 5060 came from an unrecognized IP that has not been defined in the firewall rule. What should the administrator configure in the Cisco Unified Border Element to fix this issue?

Options:

A.  

use of port 5061 for SIP secure

B.  

access list allowing the firewall IP

C.  

ip prefix-list to filter the unwanted IP address

D.  

bind signaling and media to the loopback interface

Discussion 0
Questions 15

An engineer is configuring a call park feature in Cisco Unified Communications Manager Express. Which command does the engineer use to ensure that the call is reverted to the user after 60 seconds?

Options:

A.  

R2(config-ephone-dn)#park reservation-group 60

B.  

R2(config-ephone-dn)#park-slot timeout 60 limit 2 recall alternate 3002

C.  

R2(config-ephone-dn)#park reservation-group 1

D.  

R2(config-ephone-dn)#park-slot timeout 30 limit 2 recall alternate 3002

Discussion 0
Questions 16

Refer to the exhibit.

Which change to the translation rule is needed to strip only the leading 9 from the digit string 9123548?

Options:

A.  

rule 1 /^9\(.*\)/A1/

B.  

rulel /.*\(3548S\)/^1/

C.  

rulel /^9\(\d*\)/^1/

D.  

rule 1/^9123548/^1/

Discussion 0
Questions 17

Which section under the Real-Time Monitoring Tool allows for reviewing the call flow and signaling for a SIP call in real time?

Options:

A.  

Analysis Manager > Inventory > Trace File Repositories

B.  

System > Tools > Trace and Log Central

C.  

Voice/Video > Session Trace Log View > Real Time Data

D.  

Voice/Video > Session Trace Log View > Open From Local Disk

Discussion 0