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
Which two types of distribution algorithm are within a line group? (Choose two.)
- A . random
- B . circular
- C . highest preference
- D . top down
- E . bottom up
BD
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
Refer to the exhibits.

Regions have been configured for all major branches based on the available circuit bandwidth. Some calls from Region A endpoints to Region B endpoints are failing to connect.
How is this issue resolved?
- A . Update the calling search space for affected endpoints to none.
- B . Add a media resource to transcode between available capabilities.
- C . Update all regions to 8 kbps maximum audio bitrate.
- D . Increase the number of available media termination points.
Which call pickup feature allows users to pick up incoming calls in a group that is associated with their own group?
- A . Other Group Pickup
- B . BLF Call Pickup
- C . Group Call Pickup
- D . Directed Call Pickup
A
Explanation:
Reference: https://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/4_1_3/ccmsys/a07cpick.html#wp1022865
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?
- 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.
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 . Configure IP Address Trusted Authentication for Incoming VoIP Calls.
- C . Configure the command no ip address trusted authenticate under “voice service voip”.
- D . Enable Secondary Dial tone on Analog and Digital FXO Ports.
B
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmetoll.html#concept_ECC4F4E7ED0F45C594B703EEF34762F2
Refer to the exhibit.

How many maximum hops can an ILS update traverse?
- A . 3
- B . 6
- C . 9
- D . 12
A company with only 15 users needs to have a phone system without deploying dedicated servers for this purpose.
Using the local Cisco router with Cisco UCME capabilities, which configuration is needed to support SIP phones?
- A . voice-register ephone
- B . ephone
- C . voice-register pool
- D . voice-register SIP
Refer to the exhibit.

A call mode through the Cisco Unified Border Element to pilot 2000 is foiling.
What is causing the call to foil?
- A . No codecs are configured on the dial peers
- B . The Cisco Unified Border Element is not receiving a response to its OPTION keepahves.
- C . The destination pattern is incorrect for the dialed number.
- D . VAD was not disabled on the outgoing dial poor.
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 rel1xx disable
- B . voice-class sip early-media update block
- C . voice-class midcall-signaling block
- D . voice-class sip conn-reuse
An engineer needs to deploy Cisco Extension Mobility. The engineer already activated the required services, configured the Extension Mobility Phone Service, and created an Extension Mobility device profile that is associated with end users.
Which two additional steps are required to complete the configuration? (Choose two.)
- A . Subscribe IP phones to the Extension Mobility Phone Service.
- B . Consolidate Cisco UCM certificates by using Bulk Certificate Management.
- C . Subscribe directory numbers to the Extension Mobility Phone Service.
- D . Subscribe the device profile to the Extension Mobility Phone Service.
- E . Define the default Device Template on IP phones when users log out.