Cisco 300-815 Practice Exams
Last updated on Oct 22,2026- Exam Code: 300-815
- Exam Name: Implementing Cisco Advanced Call Control and Mobility Services (CLACCM)
- Certification Provider: Cisco
- Latest update: Oct 22,2026
An engineer is troubleshooting Cisco Device Mobility and find that the phone has roamed to a building that is assigned to a different device pool but has not changed its device pool accordingly.
What action resolves the issue?
- A . Set correct Location under Current Device Mobility Settings
- B . Enable SRST under Current Device Mobility Settings
- C . Set the correct subnet under Device Mobility Info.
- D . Set Device CSS under Current Device Mobility Settings.
Configure Call Queuing in Cisco Unified Communications Manager.
Where do you set the maximum number of callers in the queue?
- A . in the telephony service configuration
- B . in the queuing configuration
- C . in Cisco Unified CM Enterprise Parameters
- D . in Cisco Unified CM Service Parameters
B
Explanation:
Reference: https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200453-Configure-CUCM-Native-Call-Queuing-Featu.html
An engineer must configure a Cisco UCM hunt list so that calls to users in a line group are routed to the first idle user and then the next.
Which distribution algorithm must be configured to accomplish this task?
- A . top down
- B . circular
- C . broadcast
- D . longest idle time
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 . Adjust the service parameter T204 timer to the desired value.
- C . Check the Urgent Priority check box under 9.911 pattern.
- D . Point the emergency pattern directly to the PSTN gateway.
Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)
- A . TokenID
- B . username and secret key
- C . TLS certificates
- D . passwords
- E . FQDN of the servers defined in DNS
CD
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
An administrator is trying to apply configuration changes on Cisco CME. When the users registered on Cisco CME to dial a local number to a PSTN call, the Cisco CME sends an incorrect number of digits.
What translation rule fixes the issue and sends the correct number of digits?
- A . voice translation-rule 1 rule 1 /^4…$/2404/type any national plan any Isdn
- B . voice translation-rule 1 rule 1 ////type any subscriber plan any isdn
- C . voice translation-rule 1 rule 1 /^4…S//9132404 0/type any subscriber plan any Isdn
- D . voice translation-rule 1 rule 1 /^4…V /2404/type any subscriber plan any isdn
An SRST site must use pickup functionality on the Chicago remote site to allow the users to take incoming calls. The pickup command is configured under the call-manager-fallback section on the SRST router.
What are two results of that configuration? (Choose two.)
- A . The PickUp soft key is on all SRST phones.
- B . The GPickUp soft key is on all SRST phones.
- C . Calls that come into one directory number can be picked up from another directory number.
- D . Calls that come into a Cisco UCM registered phone can be picked up by a SRST phone.
- E . Calls that ring an unassigned directory number are forwarded to the auto-attendant.
Refer to the exhibit.

An engineer configures Cisco Unified Border Element to connect the enterprise VoIP network with a SIP telephony provider. Calls are not working in either direction.
What must be configured in the dial peer 1 to fix the issue?
- A . answer-address 555 ……..
- B . codec g729
- C . session-protocol sipv2
- D . incoming called number 555…….
Refer to the exhibit.

An engineer deploys CAC to Cisco UCM. UptofiveG.711 calls must be supported on the WAN link between Site A and Site B. Users report that only four concurrent calls are possible between Site A and Site B.
Why isn’t the filth concurrent call successful?
- A . The G.729 audio codec is negotiated between Site A and B instead of the G.711 codec.
- B . The QoS configuration on the WAN link causes the fifth call to be dropped.
- C . Cisco UCM is using alternative links because of the Weight value.
- D . The Audio Bandwidth value is undersized and must be set to 400 kbps.
Which section under the Real-Time Monitoring Tool allows for reviewing the call flow and signaling for a SIP call in real time?
- 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
C
Explanation:
Reference: https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/213583-procedure-to-analyse-call-flow-of-sip-ca.html