| Exam Code/Number: | 300-080Join the discussion |
| Exam Name: | Troubleshooting Cisco IP Telephony & Video v1.0 |
| Certification: | Cisco |
| Question Number: | 340 |
| Publish Date: | Oct 14, 2026 |
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A company has a headquarters site and a remote site. Cisco Unified Communications Manager acts as a DHCP server. Both sites use their local voice gateways for PSTN calls. At the headquarters site, the PSTN prefix is 9, and the emergency number is 911. At the remote site, the PSTN prefix is 0, and the emergency number is 112. Here are the deployment policies for roaming devices:
* Softphones can roam between two sites.
* A roaming softphone uses the local gateway for all PSTN calls.
* The user keeps home dial habits on a roaming softphone, with the exception of the emergency number.
When a headquarters user uses a softphone at the remote site, the administrator notices that the PSTN calls are still going via voice gateway in the headquarters. The administrator enabled Device Mobility in the system parameters and on all phones. What are the next two components that the administrator must check, according to the flow of Device Mobility operation? (Choose two.)
In an MCU call with three Cisco TelePresence MX800 systems and a mobile phone calling in, the three TelePresence MX800 systems suddenly experience low audio levels, but the mobile phone audio levels are correct. What can you do to correct this issue?
Which debug command analyzes messages that are produced by SIP during the call setup process in IOS?
Cisco Unified Mobile Connect has been enabled, but users are not able to switch an in-progress call from their mobile phone to their desk phone. You find out that the Resume softkey option does not appear on the desk phone after users hang up the call on their mobile phone. What do you do to resolve this issue?
Refer to the exhibit.
An engineer is troubleshooting a SAF forwarder adjacency in which two interfaces from the same router are being advertised to all other neighbors. Which set of IOS commands successfully stops the router from advertising the Loopback0 interface?
