Cisco 300-080 Troubleshooting Cisco IP Telephony and Video Online Training
Cisco 300-080 Online Training
The questions for 300-080 were last updated at Oct 23,2025.
- Exam Code: 300-080
- Exam Name: Troubleshooting Cisco IP Telephony and Video
- Certification Provider: Cisco
- Latest update: Oct 23,2025
You are troubleshooting an ILS connectivity issue. All clusters are set to “Use TLS Certificates”.
Which certificates must be exchanged between Cisco Unified Communications Manager clusters?
- A . Tomcat certificates between all nodes in all clusters.
- B . TLS certificates between publisher nodes in all clusters.
- C . Call Manager certificates between publisher nodes in all clusters.
- D . Tomcat certificates between publisher nodes in all clusters.
Refer to the exhibit.
A Cisco Jabber user moved from the office.
W hich description of the issue with the endpoi nt registration is true?
- A . The Android device does not have access to the Internet.
- B . The ISP is preventing Jabber from performing SRV lookups.
- C . The Jabber user is within the enterprise.
- D . The IOS device does not have a valid IP address.
Refer to the exhibit.
Audio calls from a CSF device fail.
Which command set likely resolves the issue?
- A . configure terminal voice-port 0/1/0:15 output attenuation -4
- B . configure terminal controller e1 0/1/0 bearer-cap speech
- C . configure terminal interface serial 0/1/0:15 output attenuation -4
- D . configure terminal voice-port 0/1/0:15 bearer-cap speech
Refer to the exhibit.
A Cisco Unified Communications Manager Extension Mobility enabled user attempts to log in to a new phone where Cisco Extension Mobility Cross Cluster Service is configured with the URL that is displayed in the exhibit. The service is configured on a Cisco Unified CM 9.X or later Unified CM cluster. After the user enters the user ID and PIN, the phone displays “Login is Unavailable (23).”
Which configuration requirement supports Cisco EMCC and avoids this error condition?
- A . The device must be subscribed to Cisco EMCC Services.
- B . The given user ID is not found in the remote cluster.
- C . The user must associate a device profile.
- D . The Cisco IP Phone Services configuration for Cisco EMCC must set the enterprise subscription.
Refer to the exhibit.
An engineer configured CCD between a Cisco Unified Communications Manager (CUCM) cluster and Cisco Unified Communications Manager Express (CME). When the CUCM agents try to dial a CME extension on the range 7XXX, they receive a busy signal as soon as the 7 is dialed.
What can be done to resolve this issue?
- A . Set the CUCM CCD Requesting Service PSTN prefix to 9 instead of+
- B . Set the CME profile dn-block type to extension instead of global
- C . Set the CUCM Hosted DN Pattern PSTN Failover Strip Digits field to 1 instead of 0
- D . Set the CME subscribe callcontrol to instance instead of wildcarded
An engineer is analyzing an issue about system connection under Cisco TMS connection, where endpoints handled by TMS automatically change from reachable on LAN to behind the firewall status.
Which protocol does the network engineer need to troubleshoot the network between managed device Cisco TMS?
- A . SDP
- B . XMPP
- C . FTP
- D . HTTP
Which two types of call causes the user to hear the reorder tone? (Choose two.)
- A . call to a number that is working but is unlisted
- B . restricted call
- C . call using a non-Cisco phone
- D . call to a number that has been blocked
- E . unrestricted call
Replication is failing between the Cisco Unified Communications Manager Publisher and Subscriber servers.
In which two ways can you verify the database replication status? (Choose two.)
- A . TRACERT
- B . CLI
- C . APIC-EM
- D . PING
- E . RTMT
An engineer is investigating voice quality degradation on calls passing through a particular SIP gateway. To gather the necessary information, sample traffic captures are taken.
Which information in the capture reveals the problem?
- A . destination port
- B . version
- C . ToS bits
- D . MTU
Which Cisco Unified Communications Manager troubleshooting tool can be used to look at detailed specific events, such as dial plan digit analysis, as they are happening?
- A . RTMT real-time trace
- B . Cisco Unified Dialed Number Analyzer
- C . syslog output
- D . RTMT performance log viewer
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