300-815 無料問題集「Cisco Implementing Cisco Advanced Call Control and Mobility Services」
A customer reports that outbound calls from Cisco UCM to Cisco Unified Border Element are not getting early medi a. During troubleshooting, the customer finds that Cisco UCM is sending a delayed offer SIP INVITE. Cisco Unified Border Element responds with a 183 Session Progress with SDP message. However, the customer finds that Cisco UCM does not respond to the 183 messages. Which action must the customer perform to resolve the problem?
正解：A
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A company has users that frequently visit locations outside the office. These users need to be able to make calls and keep the company integrity by presenting a company caller ID. The users are equipped with company-paid mobile phones. The company uses Cisco UCM with Cisco Unified Border Element and Expressway-C and Expressway-E for external communications. Which technology must be configured to meet this requirement?
正解：C
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Refer to the exhibit.
An administrator is troubleshooting a problem in which some outbound calls from an internal network to the Internet telephony service provider are not getting connected, but some others connect successfully. The firewall team found that some call attempts on port 5060 came from an unrecognized IP that has not been defined in the firewall rule. What should the administrator configure in the Cisco Unified Border Element to fix this issue?
An administrator is troubleshooting a problem in which some outbound calls from an internal network to the Internet telephony service provider are not getting connected, but some others connect successfully. The firewall team found that some call attempts on port 5060 came from an unrecognized IP that has not been defined in the firewall rule. What should the administrator configure in the Cisco Unified Border Element to fix this issue?
正解：C
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