Implementing Cisco Collaboration Core Technologies (350-801 CLCOR)
Last Update Sep 20, 2025
Total Questions : 361
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Which field is configured to change the caller ID information on a SIP route pattern?
Refer to the exhibit. How must the +E.164 translation pattern be configured to reach international number 496929810?
Which SNMP service must be activated manually on the Cisco Unified Communications Manager after installation?
An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to
bandwidth constraints, audio compression is used on the codec. DTMF must work as
expected because the customer is calling many call centers where the users must select
options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway
configured?
An administrator is designing a new Cisco UCM for a company with many departments and firm structure on their communications policies. The administrator must make sure that these communication policies are reflected in the phone system setup. Certain departments cannot be accessed directly, even if they have dedicated DID numbers. Some phones, especially public phones, must not be able to dial international numbers Which type of function is configured to control which device is allowed to call another device in Cisco UCM?
An engineer is configuring a Cisco Unified Border Element to allow the video endpoints to negotiate without the Cisco Unified Border Element interfering in the process. What should the engineer configure on the Cisco Unified Border Element to support this process?
A SIP phone has been configured in the system with MAC address 0030.96D2.D5CB. The phone retrieves the configuration file from the Cisco UCM. Which naming format is the file that is downloaded?
A company deploys centralized cisco ucm architecture for a hub location and two remote sites.
*The company has only one ITSP connection at the hub connection, and ITSP supports only G.711 calls
*Remote site A has a 1-Gbps fiber connection to the hub connection and calls to and from remote side A use G.711 codec
*Remote site B has a 1 T1 connection to the hub location and calls to and from remote site B use G.729 codec
Based on the provided guidance, a Cisco voice engineer must design media resource management for the customer What is the method that needs to be followed?
An administrator works with an ISDN PRI that is connected to a third-party PBX. The ISDN link does not come up. and the administrator finds that the third-party PBX uses the OSIG signaling method. Which command enables the Cisco IOS Gateway to use QSIG signaling on the ISDN link?
What happens when a Cisco IP phone loses connectivity to the duster during an active call?
An administrator installed a Cisco Unified IP 8831 Conference Phone that is failing to register. Which two actions should be taken to troubleshoot the problem? (Choose two.)
Which option must be used when configuring the Local Gateway for a Cisco Webex Calling trunk?
What happens to voice packets from a Cisco 8845 IP phone in the QoS trust boundary?
Refer to the exhibit. When making a call to a Mobile and Remote Access client, what are the combinations of protocol on each of the different sections A-B-C?
An engineer roust configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the
next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at
dial-peer configuration level?
An engineer troubleshoots outbound can failure on an ISDN-PRI circuit. The engineer ts suspecting the 'Incomplete Destination". Which debugs or commands are run in the voice gateway to troubleshoot the issue?
An engineer is asked to implement on-net/off-net call classification in Cisco UCM. Which two components are required to implement this configuration? (Choose two.)
A SIP phone has been configured in the system with MAC address 0030.96D2.D5CB. The phone retrieves the configuration file from the Cisco UCM. Which naming format is the file that is downloaded?
A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity Connection restriction table resolves this issue?
How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?
Which characterstic of distributed class- based weighted fair queueing addresses jitter
prevention?
Refer to the exhibit.
You deploy Mobile and Remote Access for Jabber and discover that Jabber for Windows does not register to cisco Unified Communications Manager while outside of the office. What is a cause of this issue?
What describes the outcome when the trust boundary is defined at the Cisco IP phone?
An engineer builds the configuration on a Cisco IOS gateway for the dial-peers:
Which command is required to complete the configuration?
Refer to the exhibit. A collaboration engineer is configuring the Cisco UCM IM and Presence Service. Which two steps complete the configuration of the SIP trunk security profile? (Choose two.)
Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.
Which action resolves the issue?
Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?
A customer reports that the Cisco UCM toll-fraud prevention does not work correctly, and the customer is receiving charges for unapproved international calls as a result. Which two configuration changes resolve the issues? (Choose two.)
Refer to the exhibit. The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?
A collaboration engineer troubleshoots issues with a Cisco IP Phone 7800 Series. The IPv4 address of the phone is reachable via ICMP and HTTP, and the phone is registered to Cisco UCM However the engineer cannot reach the CU of the phone Which two actions in Cisco UCM resolve the issue? (Choose two)
SIP proxies have operations defined in RFC 3261 and supporting extensions. Though no lETF RFC completely defines how SBCs must function. SBCs evolved over the years.
Which two operations demonstrate the high-level differences between SBCs and SIP proxies? (Choose two.)
Refer to the exhibit. A collaboration engineer configures Cisco UCM to act as a DHCP server. What must be done next to configure the DHCP server?
Which two protocols can be configured for the Cisco Unity Connection and Cisco UCM integration? (Choose two.)
When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)
Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?
What should be used to detect common issues on a Cisco IOS XE-based Local Gateway and generate an email?
Refer to the exhibit. An administrator must replace the T1 card with an E1 card. What is the correct configuration if the administrator was asked to configure 12 time slots?
A.
B.
C.
D.
An engineer is configuring IP telephony. The network relies on DHCP to provide TFTP server addresses to the endpoints. Policy requires the endpoints to receive two server addresses. Which DHCP option must be configured?
Due to service provider restriction. Cisco UCM cannot send video in the SDR Which two options on Cisco UCM are configured to suppress video in the SDP in outgoing invites? (Choose two.)
An engineer is working on a SIP integration between Cisco UCM and Cisco Unity Connection and must add an additional TFTP server Drag and drop the configuration steps from the left into the correct order on the right.
Refer to the exhibit. Which route pattern can the Cisco UCM administrator apply to the configuration to allow calls to "1306.1316.1326,13*6.13#6” only?
On which protocol and port combination does Cisco Prime Collaboration receive notifications (Traps and InformRequests) from several network devices in the Collaboration infrastructure for which it has requested notifications?
Which certificate does the Disaster Recovery System in Cisco UCM use to encrypt its communications?
Refer to the exhibit.
Which codec should an engineer select for a call made between "Dallas-REG' & "Austin-REG'?
Refer to the exhibit. Given this "debug isdn q921" output, what is the problem with the PRI?
An administrator is trying to change the default LINECODE for a voice ISDN T1 PRI. Which command makes this change?
An administrator installed a Cisco Unified IP 8831 Conference Phone that is failing to register. Which two actions should be taken to troubleshoot the problem? (Choose two.)
A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity Connection restriction table resolves this issue?
An engineer configures local roule group names to simplify a dial plan. Where does the engineer set the route groups according to the local route group names that are configured?
An engineer is configuring a phone system CISCO UCM and wants to activate TFTP service. The engineer selects the serviceability page for configuration. Which nodes configurable for TFTP?
When setting a new primary DNS server in the Cisco UCM CLI what is required for the change to take affect?
What is required for Cisco UCM to accept SIP calls with a URI in the format of 'sip:2001@cucmpub.cisco.com'?
A collaboration engineer adds a voice gateway to Cisco UCM. The engineer creates a new gateway device in Cisco UCM. selects VG320 as the device type and selects MGCP as the protocol What must be done next to add the gateway to the Cisco UCM database?
An engineer is deploying the Webex app on a Microsoft Windows computer that has multiple user accounts. Which CLI argument allows the engineer to Install the application as a "per machine" Installation?
What are two features of Cisco Expressway that the customer gets if Expressway-C and Expressway-E are deployed?(Choose two.)
Which SNMP service must be activated manually on the Cisco Unified Communications Manager after installation?
Exhibit.
Refer the exhibit. A collaboration engineer needs to replace the original, single NTP
server that was configured during the inital install of a Cisco UCM server. What is the first
step to accomplish this task?
A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?
M=audio 498181 RTP/AVP 0 8 97
Refer to the exhibit. A user takes a phone from San Francisco to New York for a short reassignment. The phone was set up to use the San Francisco device pool, and device mobility is enabled on the Cisco UCM. The user makes a call that matches a route pattern in a route list that contains the Standard Local Route Group. To where does the call retreat?
An administrator must configure the Local Route Group feature on Cisco UCM. Which step will enable this feature?
After an engineer implements the FAC and CMC features together, users report that calls take almost one minute to complete and that they occasionally hear the reorder tone. Which two actions address this issue?( Choose two)
A customer is deploying a SIP IOS gateway for a customer who requires that in-band DTMF relay is first priority and out-of-band DTMF relay is second priority. Which 10$ entry sets the required priority?
Which Cisco lM and Presence service handles failover and state changes in the cluster?
A collaboration engineer is configuring the QoS trust boundary for Cisco UCM voice and video conferencing. Which two trust boundary configurations are valid? (choose two)
Refer to the exhibit.
https://i.postimg.cc/C57TkczG/image.png
A call is falling to establish between two SIP Devices The called device answers with these SOP Which SOP parameter causes issue?
Which two technical reasons make QoS a necessity in a video deployment? (Choose Two)
The chief technology officer at a company must onboard devices to the cloud A workspace is created in Cisco Webex Control Hub for every device. What must be generated to complete the on boarding process?
Which external DNS SRV record must be present for Mobile and Remote Access?
By default. IP phones upgrade their images using the HTTP Service from the TFTP Server integrated into one or more of the call processing platforms. Which Port / Transport Protocol does this service use?
What is the major difference between the two possible Cisco lM and Presence high-availability modes?
An employee of company ABC just quit. The IT administrator deleted the employee’s user id from the active directory at 10 a m. on March 4th The nightly sync occurs at 10 p.m. daily. The IT administrator wants to troubleshoot and find a way to delete the user id as soon as possible How is this issue resolved?
An administrator is in the process of moving Cisco Unity Connection mailboxes between mailbox stores. The administrator notices that some mailboxes have active Message Waiting Indicators. What happens to these mailboxes when they are moved?
Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?
An administrator needs to stop the leading 9 from outbound calls on an IOS Voice Gateway and ensure that the system handles 911 emergency calls Which configuration is needed to accomplish this task?
Which actions required for a firewall configuration on a Mobile and Remote Access
through Cisco Expressway deployment?
An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter. Which two areas does the engineer check to prevent jitter? (Choose two.)
On a cisco catalyst switch which command is required to send CDP packets on a switch port that configures a cisco IP phone to transmit voice traffic in 802.1q frames tagged with the voice VLAN ID 221?
When a new SIP phone is registered to Cisco Unified communications Manager, it keeps failing and showing an “unprovisioned” error message in the phone display. Which problem is a possible cause of this issue?
The security department will audit an IT department to ensure that the proper guidelines are being followed. The reports of the call detail records show unauthorized access to PSTN. Which two actions should an administrator check to prevent the unauthorized use of the telephony system? (Choose two.)
An engineer must manually provision a Cisco IP Phone 8845 using SIP. Which two fields must be configured for a successful provision? (Choose two.)
A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?
A)
B)
C)
D)
Option A
Option B
Option C
Refer to the exhibit. An administrator configured a codec preference list with 0,122 and ILBC codecs. Which change must the administrator make in the dial-peer section of the configuration to use this list?
When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)
Which two devices are supported by the Flexible DSCP Marking and Video Promotion feature? (Choose two.)
Which type of message must an administrator configure in the SIP Trunk Security Profile for a Message Waiting Indicator light to work with a SIP integration between Cisco UCM and Cisco Unity Connection?
A Cisco Unity Connection Administrator must set a voice mailbox so that it is accessed from a secondary device. Which configuration on the voice mailbox makes this change?
Which values must be enabled to set up QoS for video conferencing on a VoIP network?
An engineer roust deploy the Cisco Wet*x app to a Windows Virtual Desktop Infrastructure environment that has a roaming database named spark roaming_store stored In a user's AppData\Roaming directory, Which two command line arguments must be used when running the installer? (Choose two.)
A high-speed network is often configured with a five-class QoS model. Which classes are
used in the model?
Which DHCP option must be set up tor new phones to obtain the TFTP server IP address?
Refer to the exhibit. An engineer configures ISDN on a voice gateway. The provider confirms that the PRI is configured with 10 channels the engineer ordered and is working from the provider side, but the engineer cannot get a B-channel to carry voice. The rest of the configuration for the serial interface and voice network is functioning correctly. Which actions must be taken to carry voice?
Refer to the exhibit. Users at a company located In New York cannot place calls. The New York gateway is configured with a T1 ISDN PRI card with 24 channels. The engineer runs the show isdn status command and receives output. Which action must the engineer take to resolve the issue?
Refer to the exhibit. An administrator must fix the SRV records to ensure that server1. sample.com is always contacted first from the three servers. Which solution should the engineer apply to resolve this issue?
An engineer configures Cisco UCM to prevent toll fraud. At which two points does the engineer block the pattern in Cisco UCM to complete this task? (Choose two.)
What is the maximum number of servers that are in an IM and Presence presence redundancy group?
An administrator would like to set several Cisco Jabber configuration parameters to only apply to mobile clients (iOS and Android). How does the administrator accomplish this with Cisco Jabber 12.9 and Cisco UCM 12.5?
What is the purpose of Mobile and Remote Access with Cisco Jabber in the cisco UCM?
Callers from a branch report getting busy tones intermittetly when trying to reach colleagues in other office branches during peak hours. An engineer collects Cisco
CallManager service traes to examine the situation. The traces show:
What should be fixed to resolve the issue?
What must be configured on a Cisco Unity Connection voice mailbox to access the mailbox from a secondary device?
Which characterstic of distributed class- based weighted fair queueing addresses jitter
prevention?
Refer to the exhibit. Unanswered calls do not reach the voicemail associated with the phones Instead, callers receive the default greeting Which action fixes the configuration?
Refer to the exhibit.
An administrator configures a secure SIP trunk on Cisco UCM.
Which value is needed in the secure certificate subject or subject alternate name field to accomplish this task?
An engineer is trying to add a new subscriber to the cluster of Cisco UCM. and the synchronization is failing. The engineer obtained the output from the publisher and noticed the error Based on the output, what is the issue?
Endpoint A is attempting to call endpoint B. Endpoint A only supports G.711ulaw with a packetization rate of 20 ms, and endpoint B supports packetization rate of 30 ms for G.711ulaw. Which two media resources are allocated to normalize packetization rates through transrating? (Choose two.)
Which two protocols can be configured for the Cisco Unity Connection and Cisco UCM integration? (Choose two.)
Refer to the Exhibit.
Which command is required to allow this media resource to handle Video Media streams?
Refer to the exhibit.
Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?
Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?
Location-based call admission control is used in Cisco UCM to control the amount of bandwidth allowed between predefined locations. What must be considered when calculating the number of calls that can be made?
Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?
How is bandwidth allocated to traffic flows in a flow-based WFQ solution?
An engineer roust configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the
next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at
dial-peer configuration level?
Refer to the exhibit. An administrator is attempting to register a SIP phone to a Cisco UCM but the registration is failing. The IP address of the SIP Phone is 10.117.34.222 and the IP address of the Cisco UCM is 10.0.101.10. Pings from the SIP phone to the Cisco UCM are successful. What is the cause of this issue and how should it be resolved?
An engineer is asked to implement on-net/off-net call classification in Cisco UCM. Which two components are required to implement this configuration? (Choose two.)
TESTED 20 Sep 2025
