300-815 Online Practice Questions and Answers

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. Contact: header of the 200 OK response

B. Allow: header if the 200 OK response

C. o= line of SDP content

D. c= line of SDP content

After configuring a Cisco CallManager Express with Cisco Unity Express, inbound calls from the PSTN SIP trunk receive a ring tone for 20 seconds and then a busy signal instead of voicemail. Which configuration fixes this problem?

A. Router(config)# voice service voip Router(conf-voi-serv)#allow-connections h323 to h323

B. Router(config)#dial-peer voice 2 voip Router(config-dial-peer)#no vad

C. Router(config)# voice service voip Router(conf-voi-serv)#allow-connections voice-mail mod

D. Router(config)# voice service voip Router(conf-voi-serv)#no supplementary-service sip moved-temporarily

Users are reporting that several inter-site calls are failing, and the message "not enough bandwidth" is showing on the display. Voice traffic between locations goes through corporate WAN, and Call Admission Control is enabled to limit the number of calls between sites. How is the issue solved without increasing bandwidth utilization on the WAN links?

A. Disable Call Admission Control and let the calls use the amount of bandwidth they require.

B. Configure AAR to reroute calls that are denied by Call Admission Control through the PSTN.

C. Reroute all calls through the PSTN and avoid using WAN.

D. Configure Call Queuing so that the user waits until there is bandwidth available.

An administrator is configuring a cluster for ILS and wants to limit the amount of entries that Cisco UCM will write to the database for data that is learned through ILS. Which service parameter is used to adjust this limit?

A. ILS Max Number of Learned Objects in Database

B. ILS Active Learned Object Upper Limit

C. Global Data Service Parameter Limit

D. Imported Dial Plan Replication Database Object Lower Limit

Which services are needed to successfully implement Cisco Extension Mobility in a standalone Cisco Unified Communications Manager server?

A. Cisco Extended Functions, Cisco Extension Mobility, and Cisco AXL Web Service

B. Cisco CallManager, Cisco TFTP, and Cisco CallManager SNMP Service

C. Cisco CallManager, Cisco TFTP, and Cisco Extension Mobility D. Cisco TAPS Service, Cisco TFTP, and Cisco Extension Mobility

An engineer is troubleshooting Cisco Device Mobility and find that the phone has roamed to a building that is assigned to a different device pool but has not changed its device pool accordingly. What action resolves the issue?

A. Set correct Location under Current Device Mobility Settings.

B. Enable SRST under Current Device Mobility Settings.

C. Set Device CSS under Current Device Mobility Settings.

D. Set the correct subnet under Device Mobility info.

An administrator discovers that employees are making unauthorized long-distance and international calls from logged-off Extension Mobility phones when the authorized users are away from their desks. Which two configurations should the administrator configure in the Cisco UCM to avoid this issue? (Choose two.)

A. Add the long-distance and international pattern's partitions to the calling search space of the physical phone.

B. Remove the long-distance and international pattern's partitions to the calling search space of the physical phone.

C. Add the long-distance and international pattern's partitions to the calling search space of the device profile.

D. Add the long-distance and international pattern's partitions to the calling search space of the physical phone's directory number.

E. Remove long-distance and international pattern's partitions from the calling search space of the device profile.

Refer to the exhibit. A collaboration engineer is troubleshooting an issue where the PSTN calls of a Cisco UCM IP phone user are not reaching the PSTN gateway. Which action resolves the issue?

A. Change the calling search space of the user's line or device.

B. Change the “Call Classification” to “OnNet” on the route pattern.

C. Ensure that the user's phone is assigned to a device pool with the correct local route settings.

D. Deselect “Block this pattern” on the route pattern.

Which elements does Cisco cloud mobility for collaboration include?

A. Cisco Webex Collaboration Cloud Services

B. Cisco Collaboration Cloud

C. Cisco Collaboration Cloud and Cisco Webex Collaboration Cloud Services

D. Cisco Collaboration Cloud and Cisco Mobile and Remote Access Collaboration Cloud Services

Refer to the exhibit. An administrator received reports that users do not hear a ringback when they dial specific external numbers. For example, the Cisco Unified Border Element receives a delayed offer invite from Cisco UCM and responds with the 183 session progress in the exhibit. Assume that the PSTN is responsible for generating ringback in these problematic scenarios. Which action resolves the issue?

A. On Cisco Unified Border Element: voice service voip sip rel1xx disable 100rel

B. Edit the configuration for SIP Rel1XX Options in the appropriate SIP profile on Cisco UCM to Send PRACK if 1xx Contains SDP.

C. On Cisco Unified Border Element: voice service voip sip rel1xx require 100rel

D. Enable early media on the appropriate SIP trunk on Cisco UCM.