Cisco 300-815 Online Practice Questions and Exam Preparation

Cisco 300-815 Online Questions & Answers

• Question 251:

  The administrator of ABC company is troubleshooting a one-way audio issue for a call that uses H.323 protocol (slow-start mode). The administrator requests that you provide the IP and port information of the Real- Time Transport Protocol traffic that had the one-way audio call.

  You gather the H.225 and H.245 messages for one of the one-way audio calls.

  Where can you find the RTP IP and port information for both sides? (Note: This call flow has not invoked any media resources like MTP or transcoders).

  A. H.245 Terminal Capability Set
  B. H.245 Open Logical Channel
  C. H.225 Connect
  D. H.245 Open Logical Channel Ack
  B. H.245 Open Logical Channel

  ---

  http://ccievoicehopeful.blogspot.com/2012/09/h323-notes.html

• Question 252:

  When the services key is pressed Cisco Extension Mobility does not show up. What is the cause of the issue?

  A. The URL configured for Cisco Extension Mobility is not correct.
  B. Cisco Extension Mobility Service is not running.
  C. The phone is not subscribed to Cisco Extension Mobility Service.
  D. Cisco Extension Mobility is not enabled in the Phone Configuration Window (Device > Phone)
  C. The phone is not subscribed to Cisco Extension Mobility Service.

• Question 253:

  Refer to the exhibit.

  

  SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 192.168.100.100:5060 From: ; To: Date: Fri, 28 Jun 2019 08:30:32 GMT Call-ID: [email protected] CSeq: 101 INVITE Require: 100rel RSeq: 101 Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER Contact: Content-Type: application/sdp Content-Disposition: session;handling=required Content-Length: 247 v=0 o=CiscoSystemsSIP-GW-UserAgent 4780 5245 IN IP4 192.168.100.200 s=SIP Call c=IN IP4 192.168.100.200 t=0 0 m=audio 16384 RTP/AVP 8 101 c=IN IP4 192.168.100.200 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=ptime:20

  While troubleshooting call failures on the Cisco Unified Border Element, an administrator notices that messages are being sent to the service provider, but there is no response The administrator later learns that this SIP provider does not support PRACK. Which header should be removed from the SIP message to resolve this issue?

  A. Content-Disposition: session:handling=required
  B. Require 100rel
  C. Contact
  D. Content-Type: application/sdp
  B. Require 100rel

• Question 254:

  Refer to the exhibit.

  

  Calls from users to the PSTN in an organization get disconnected with a 408 Request Timeout when the called party is unavailable to pick up the call. Which solution must be used to resolve this challenge?

  A. Configure midcall-signaling preserve-codec.
  B. Choose "Send PRACK" if 1xx contains SDP in the SIP profile.
  C. Configure midcall-signaling passthru media-change
  D. Choose "Send PRACK for all 1xx Messages" in the SIP profile.
  C. Configure midcall-signaling passthru media-change

• Question 255:

  Refer to the exhibit.

  

  A company deploys an additional instance of Cisco UCME named CUCME 2 in a branch office. Phones in the main office are registered with their extension to an instance of Unified CME named CUCME 1. Phones in the branch office are registered with their extension to CUCME 2. The engineer needs to configure CUCME 1 to allow calls from the main office to the branch office using an 8-kbps codec. Which configuration should be applied to CUCME 1?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  B. Option B

• Question 256:

  Which two extended capabilities must be configured on dial peers for fast start-to-early media scenarios (H.323 to SIP interworking)? (Choose two.)

  A. DTMF
  B. BFCP
  C. VIDEO
  D. FAX
  E. AUDIO
  A. DTMF
  B. BFCP

• Question 257:

  A user's phone is already configured for Single Number Reach, and the user wants a feature to move an active call from a mobile phone to a desk phone and vice-versa. As an administrator, which additional configuration should be made to fulfill the user's request?

  A. Confirm that the desk phone is subscribed to Cisco Extension Mobility.
  B. Check to make sure that the Resume softkey option appears on the desk phone.
  C. Use Dialed Number Analyzer to determine if the user extension can dial the mobile phone.
  D. Add the mobility key to the softkey template that the desk phone is using.
  D. Add the mobility key to the softkey template that the desk phone is using.

• Question 258:

  DRAG DROP

  Drag and drop the steps from the left into the order to provision mobility users through LDAP on the right. Not all options are used.

  Select and Place:

  

  

• Question 259:

  An administrator wants to control PSTN access differently for each site using a single route pattern. Which Cisco UCM feature supports this requirement?

  A. Translation patterns
  B. Standard Local Route Group
  C. Calling search spaces
  D. Time-of-day routing
  B. Standard Local Route Group

  ---

  Standard Local Route Group allows the same route pattern to select different gateways based on the device pool.

• Question 260:

  A company has an SRST gateway running an IOS XE image. The company plans to enable the IPv6 addressing companywide. To enable the IPv6 in a unified SRST gateway to support SIP phones, what are two supported supplementary features for an IPv6 fallback scenario? (Choose two.)

  A. three-way conference
  B. secure SIP lines
  C. T.38 fax relay
  D. transcoding
  E. SIP trunk
  A. three-way conference
  C. T.38 fax relay

  ---

  https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cusrst/admin/sccp_sip_srst/configuration/guide/SCCP_and_SIP_SRST_Admin_Guide/srst_sip_isr4000.html