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Cisco 300-815 exam covers a wide range of topics, including call routing, dial plans, call admission control, media resources, and mobility features. 300-815 exam also tests the candidates on their knowledge of Cisco Unified Border Element (CUBE), Cisco Expressway, and Cisco Unified Communications Manager IM & Presence Service. 300-815 exam is designed to validate the candidates' skills in implementing and troubleshooting advanced call control and mobility services.

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Exam Guide

 

NEW QUESTION # 38
An administrator is configuring a cluster for ILS and wants to limit the amount of entities that Cisco Unified Communications Manager can write to the database for data that is learned through ILS. Which service parameter is used to adjust this limit?

• A. ILS Max Number of Learned Objects in Database
• B. Imported Dial Plan Replication Database Object Lower Limit
• C. Global Data Service Parameter Limit
• D. ILS Active Learned Object Upper Limit

Answer: A

NEW QUESTION # 39
Users are reporting that several inter-site calls are failing, and the message "not enough bandwidth" is showing on the display. Voice traffic between locations goes through corporate WAN. and Call Admission Control is enabled to limit the number of calls between sites. How is the issue solved without increasing bandwidth utilization on the WAN links?

• A. Reroute all calls through the PSTN and avoid using WAN.
• B. Disable Call Admission Control and let the calls use the amount of bandwidth they require.
• C. Configure AAR to reroute calls that are denied by Call Admission Control through the PSTN.
• D. Configure Call Queuing so that the user waits until there is bandwidth available

Answer: C

NEW QUESTION # 40
Refer to the exhibit.

A user reports that when they call a specific phone number, no one answers the call, but when they call from a mobile phone, the call is answered. The engineer troubleshooting the issue is expecting the far-end gateway to cut through audio on the 183 Session Progress SIP message. Which SIP Profile configuration element is necessary for the Cisco Unified Communications Manager to send acknowledgement of provisional responses?

• A. On the SIP Profile, the configuration parameter SIP Rel1XX Options must be set to Send PRACK for all 1xx Messages.
• B. Early Offer for G Clear Calls must be enabled.
• C. Allow Passthrough of Configured Line Device Caller Information must be enabled.
• D. Accept Audio Codec Preferences in Received Offer must be set to On.

Answer: A

NEW QUESTION # 41
If all patterns below are configured in Cisco Unified Communications Manager which would be used when dialing the pattern "123"?

• A. 12!
• B. 12[2-5]
• C. 12X (urgent priority set)
• D. 1XX (urgent Priority Set)

Answer: C

NEW QUESTION # 42
When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?

• A. RINGING
• B. ALERTING
• C. CONNECT
• D. PROCEEDING

Answer: C

NEW QUESTION # 43
ABC company has decided to implement hunt groups to help distribute calls between members. In order to implement this, administrator must configure hunt list, hunt group, and line groups on Cisco UCM. Which distribution algorithms should the administrator implement?

• A. Sequantial, Circular, Broadcast
• B. Top Down, Circular, Broadcast
• C. Top Down, Round Robin, Distribute
• D. Top Down, Round Robin, Broadcast

Answer: B

NEW QUESTION # 44
Refer to the exhibit.

Users report that when they dial the emergency number 9911 from any internal phone, it takes a long time to connect with the emergency operator. Which action resolves this issue?

• A. Adjust the service parameter T302 timet to the desired value.
• B. Check the Urgent Priority check box under 9.911 pattern.
• C. Adjust the service parameter T204 timer to the desired value.
• D. Point the emergency pattern directly to the PSTN gateway.

Answer: B

NEW QUESTION # 45
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.)

• A. Enanle PRACK.
• B. Enable Early Offer on the Cisco Unified Border Element.
• C. Enable Media Flow Around
• D. Enable the supplementary-service media-renegotiate command.
• E. Enable Mid-Call Signaling Consumption.

Answer: A,B

NEW QUESTION # 46
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?

• A. R2(config-ephone-dn)#park-slot timeout 60 limit 2 recall alternate 3002
• B. R2(config-ephone-dn)#park-slot timeout 30 limit 2 recall alternate 3002
• C. R2(config-ephone-dn)#park reservation-group 60
• D. R2(config-ephone-dn)#park reservation-group 1

Answer: A

Explanation:
Section: Cisco Unified CM Call Control Features

NEW QUESTION # 47
Which action is correct with respect to toll fraud prevention configuration in the Cisco Unified Communications Manager Express?

• A. Configure Direct Inward Dial for Incoming ISDN Calls with overlap dialing.
• B. Enable Secondary Dial tone on Analog and Digital FXO Ports.
• C. Configure IP Address Trusted Authentication for Incoming VoIP Calls.
• D. Configure the command no ip address trusted authenticate under "voice service voip".

Answer: C

Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/ cmeadm/cmetoll.html#concept_ECC4F4E7ED0F45C594B703EEF34762F2

NEW QUESTION # 48
Refer to the exhibit.

An engineer is troubleshooting a call-establishment problem between Cisco Unified Border Element and Cisco UCM. Which command set corrects the issue?

• A. SIP binding In SIP configuration mode:
  voice service volp
  sip
  bind control source-Interface GlgabltEthernetO/0/1 bind media source-Interface GlgabltEthernetO/0/1
• B. SIP binding In dial-peer configuration mode:
  dial-peer voice 300 voip
  voice-class sip bind control source-interface GigabitEthernetO/0/1 voice-class sip bind media source-interface GigabitEthernetO/0/1
• C. SIP binding in SIP configuration mode:
  voice service voip sip
  bind control source-interface GigabitEthernetO/0/0 bind media source-interface GigabitEthernetO/0/0
• D. SIP binding in dial-peer configuration mode:
  dial-peer voice 100 volp
  voice-class sip bind control source-interface GigabitEthernetO/0/0
  voice-class sip bind media source-interface GigabitEthernetO/0/0

Answer: D

NEW QUESTION # 49
Which two types of distribution algorithm are within a line group? (Choose two.)

• A. random
• B. top down
• C. highest preference
• D. circular
• E. bottom up

Answer: B,D

Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/9_0_1/ccmcfg/ CUCM_BK_CDF59AFB_00_admin-guide-90/CUCM_BK_CDF59AFB_00_admin-guide_chapter_0100011.html

NEW QUESTION # 50
Refer to the exhibit.

An engineer is troubleshooting an issue where inbound calls to Cisco UCM with early media fail to establish. While investigating the issue, the engineer finds that Cisco UCM is set to require a PRACK. but the Cisco Unified Border Element is not sending it. Which command is causing this issue?

• A. voice-class sip conn-reuse
• B. voice-class sip rel1xx disable
• C. voice-class sip early-media update block
• D. voice-class midcall-signaling block

Answer: B

NEW QUESTION # 51
An engineer must configure call queuing under a Hunt Pilot. After the engineer receives the audio file that will be played to callers during queuing, which two steps should be taken to complete the configuration? (Choose two.)

• A. Assign the uploaded audio file to the hunting Line Group member's "User Hold MOH Audio Source
• B. Assign the uploaded audio file to "Network Hold MOH Source & Announcements" under Hunt Pilot's Queuing section.
• C. Upload the audio file in "MOH Audio File Management" via CM Administration GUI
• D. Upload the audio file in "TFTP File Management" via OS Administration GUI
• E. Assign the uploaded audio file to the hunting Line Group member's "Network Hold MOH Audio Source".

Answer: B,D

NEW QUESTION # 52
Why would RTP traffic that is sent from the originating endpoint fail to be received on the far endpoint?

• A. The RTP traffic is arriving beyond the jitter buffer on the receiving end.
• B. The far end connection data (c=) in the SDP was overwritten by deep packet inspection in the call signaling path.
• C. Cisco Unified Communications Manager invoked media termination point resources.
• D. A firewall in the media path is blocking TCP ports 16384-32768.

Answer: A

NEW QUESTION # 53
What is first preference condition matched in a SIP-enabled incoming dial peer?

• A. target carrier-id
• B. incoming called-number
• C. answer-address
• D. incoming uri

Answer: D

Explanation:
Section: Signaling and Media Protocols
Explanation/Reference: https://www.cisco.com/c/en/us/support/docs/voice/ip-telephony-voice-over-ip-voip/211306-In- Depth-Explanation-of-Cisco-IOS-and-IO.html#anc8

NEW QUESTION # 54
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?

• A. Contact: header of the 200 OK response
• B. c= line of SDP content
• C. Allow: header if the 200 OK response
• D. o= line of SDP content

Answer: D

NEW QUESTION # 55
When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?

• A. RINGING
• B. ALERTING
• C. CONNECT
• D. PROCEEDING

Answer: C

Explanation:
Section: Signaling and Media Protocols

NEW QUESTION # 56
When a third-party SIP Phone System is dialed inbound across a Cisco Unified Border Element, DTMF is failing. The third-party vendor accepts only out-of-band DTMF. Which configuration should be added to the outgoing dial peer to resolve this issue?

• A. dtmf-relay rtp-nte
• B. dtmf-relay h245-signal
• C. dtmf-relay cisco-rtp
• D. dtmf-relay sip-kpml

Answer: D

NEW QUESTION # 57
Which top-level IOS command is needed to begin the configuration of a Cisco Unified Communications Manager Express gateway to enable phones to be registered via SIP?

• A. voice register global
• B. voice register dn
• C. voice service voip
• D. allow-connections sip to sip

Answer: A

Explanation:
Reference:
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified- communications-manager-express/99946-cme-sip-guide.html

NEW QUESTION # 58
An administrator is troubleshooting call failures on an H.323 gateway via the CLI. To see signaling for media and call setup, which two debugs must the administrator turn on? (Choose two).

• A. debug H.323 message
• B. debug H.225 asn1
• C. debug H.225 media
• D. debug H.323 asn1
• E. debug H.245 asn1

Answer: B,E

NEW QUESTION # 59
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?

• A. The user device profile has not been assigned to the user.
• B. The Cisco Extension Mobility service has not been configured on the phone.
• C. 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.
• D. The user device profile is not subscribed to the Cisco Extension Mobility service.

Answer: D

NEW QUESTION # 60
Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)

• A. passwords
• B. TokenID
• C. username and secret key
• D. TLS certificates
• E. FQDN of the servers defined in DNS

Answer: A,D

Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/11_5_1/ sysConfig/11_5_1_SU1/cucm_b_system-configuration-guide-1151su1/cucm_b_system-configuration-guide- 1151su1_chapter_011001.pdf

NEW QUESTION # 61
Refer to the exhibit.

How many maximum hops can an ILS update traverse?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

NEW QUESTION # 62
......

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