300-815 Exam Questions

Total 118 Questions

Last Updated Exam : 16-Dec-2024

An engineer is troubleshooting local ringback on a Cisco SIP gateway The gateway is not ignoring the SIP 180 response with SDP from the service provider, and the far end device is sending the 180 with SDP to play ringback from the IP address specified m the SDP Which configuration change must be made on the gateway to resolve the issue?


A.

Router(conf-voi-serv)# dlisable-early-media 180


B.

Router(conftg-sip-ua)# disable-early-media 180


C.

Router(con(-voi-serv)# no disable-early-media 180


D.

Router(config-sip-ua)# no disable-early-media 180





B.
  

Router(conftg-sip-ua)# disable-early-media 180




Refer to the exhibit. A standard local route group is configured for long-distance calls. Calls from building A succeed, but calls from building B fail. On the system. Each building has is own device pool. The DNA tool is used to test the configuration. How is this issue resolved?


A.

Change the partition of the route pattern


B.

Add a sip trunk inside route group Standard Local Route Group.


C.

Modify the route pattern to add a prefix of 91


D.

Add a local route group on the device pool configuration.





D.
  

Add a local route group on the device pool configuration.



Refer to the exhibit

ILS has been configured between two hubs using this configuration. The hubs appear to register successfully, but ILS is not functioning as expected. Which configuration step is missing?


A.

A password has never been set for ILS.


B.

Use TLS Certificates must be selected.


C.

Trust certificates for ILS have not been installed on the clusters


D.

The Cluster IDs have not been set to unique values





D.
  

The Cluster IDs have not been set to unique values



If all patterns below are configured in Cisco Unified Communications Manager which would be used when dialing the pattern “123”?


A.

12!


B.

12X (urgent priority set)


C.

1XX (urgent Priority Set)


D.

12[2-5]





D.
  

12[2-5]



An administrator is troubleshooting call failures on an H.323 gateway via the CLI. To see signaling for media and call setup, which two debugs must the administrator turn on? (Choose two).


A.

debug H.245 asn1


B.

debug H.323 message


C.

debug H.225 asn1


D.

debug H.225 media


E.

debug H.323 asn1





A.
  

debug H.245 asn1



C.
  

debug H.225 asn1



A user reports when they press the services key they do not receive a user ID and
password prompt to assign the phone extension. Which action resolves the issue?


A.

Create the default device profiles for all phone models that are used.


B.

Subscribe the phone to the Cisco Extension Mobility service.


C.

Create the end user and associate it to the device profile.


D.

Assign the extension as a mobile extension





B.
  

Subscribe the phone to the Cisco Extension Mobility service.



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 Progress SIP message. Which SIP Profile configuration element is necessary for the Cisco Unified Communications Manager to send acknowledgement of provisional responses?


A.

Allow Passthrough of Configured Line Device Caller Information must be enabled.


B.

Accept Audio Codec Preferences in Received Offer must be set to On.


C.

On the SIP Profile, the configuration parameter SIP Rel1XX Options must be set to Send PRACK for all 1xx Messages.


D.

Early Offer for G Clear Calls must be enabled.





C.
  

On the SIP Profile, the configuration parameter SIP Rel1XX Options must be set to Send PRACK for all 1xx Messages.




Refer to the exhibit. An engineer is troubleshooting an issue where inbound Calls are failing after they transferred. The provider reports that update is not supported, and this is causing the calls to fail. Which command should resolve this issue?


A.

no midcall-signaling passthru


B.

no update-callerId


C.

no contact-passig


D.

rel1xx require “100rel





D.
  

rel1xx require “100rel



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


C.

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


D.

Reroute all calls through the PSTN and avoid using WAN.





C.
  

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



An engineer is configuring Cisco UCM lo forward parked calls back to the user who parked the call if it is not retrieved after a specified time interval. Which action must be taken to accomplish this task?


A.

Configure device pools.


B.

Configure service parameters


C.

Configure enterprise softkeys.


D.

Configure class of control.





B.
  

Configure service parameters