Cisco 300-815 - Implementing Cisco Advanced Call Control and Mobility Services (CLASSM) Exam

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Total 212 questions


Refer to the exhibit. In an active SIP call between phone user A and phone user B, phone A initiates a call transfer to phone user C. Which two scenarios are correct? (Choose two.)

  • A. Phone_A sends a SIP-REFER message to the Cisco Unified Communications Manager with Phone_C information in the Refer-To section.
  • B. Phone_B sends a SIP-REFER message to the Cisco Unified CM with Phone_C information in the Refer-To section.
  • C. As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the MOH audio is chosen from Phone_B User Hold MOH Audio Source settings.
  • D. As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the music on hold and the MOH audio is chosen from Phone_A Network Hold MOH Audio Source settings.
  • E. As soon as Phone_A presses the Transfer button for the first time, Phone_B hears the MOH and the MOH audio is chosen from Phone_A User Hold MOH Audio Source settings.


Answer : AC


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 inband DTMFs do not work.
  • B. There is SIP Delayed Offer. DTMF is supported only in Early Offer.
  • C. The rtpmap:0 value for the negotiated codec is marking DTMF as inactive.
  • D. No DTMF is negotiated.


Answer : D

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


Answer : B

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

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


Answer : AB

When you troubleshoot H.323 call setup, which message informs you that the called party is being notified about the call?

  • A. ALERTING
  • B. PROCEEDING
  • C. CONNECT
  • D. RINGING


Answer : C

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Total 212 questions