300-815 exam

What is first preference condition matched in a SIP-enabled incoming dial peer?A . incoming uriB . target carrier-idC . answer-addressD . incoming called-numberView AnswerAnswer: A Explanation: Reference: https://www.cisco.com/c/en/us/support/docs/voice/ip-telephony-voice-over-ip-voip/211306-In­Depth-Explanation-of-Cisco-IOS-and-IO.html#anc8

When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?A . ALERTINGB . PROCEEDINGC . CONNECTD . RINGINGView AnswerAnswer: C

Refer to the exhibit. A user reports that when they call a specific phone number, no one answers the call, but when they call from a mobile phone, the call is answered. The engineer troubleshooting the issue is expecting the far-end gateway to cut through audio on the 183 Session...

A support engineer is troubleshooting a voice network. When conducting a search for call setup details related to calling search space issues, which trace files should be investigated?A . CallManager tracesB . CTI Manager tracesC . Cisco IP Manager AssistantD . Call logsView AnswerAnswer: A

Which IOS command creates a SIP-enabled dial peer?A . voice dial-peer 20 sipB . dial-peer voice 20 voipC . dial-peer voice 20 potsD . dial peer voice 20 sipView AnswerAnswer: B Explanation: Reference: https://www.ciscopress.com/articles/article.asp?p=664148&seqNum=6

End users at a new site report being unable to hear the remote party when calling or being called by users at headquarters. Calls to and from the PSTN work as expected. To investigate the SIP signaling to troubleshoot the problem, which field can provide a hint for troubleshooting?A ....

Where is the dtmf-relay command configured on Cisco Unified Border Element?A . in the voice-class VoIP configurationB . in the VoIP dial peerC . in global SIP configurationD . in the VoIP or POTS dial peersView AnswerAnswer: B Explanation: Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/configuration/cube-book/dtmf­relay.html

Refer to the exhibit. Calls incoming from the provider are not working through newly set up Cisco Unified Border Element. Provider engineers get the 404 Not Found SIP message. Incoming calls are coming from the provider with called number “222333444” and Cisco Unified Communications Manager is expecting the called number...

Which top-level IOS command is needed to begin the configuration of a Cisco Unified Communications Manager Express gateway to enable phones to be registered via SIP?A . allow-connections sip to sipB . voice service voipC . voice register globalD . voice register dnView AnswerAnswer: C Explanation: Reference: https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified­communications-manager-express/99946-cme-sip-guide.html

Refer to the exhibit. Users report that when they dial to Cisco Unity Connection from an external network, they cannot enter any digits. Assuming only in-band DTMF is supported, what is a reason for this malfunction?A . The negotiated RTP port is outside of the range described by RFC, so...