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Implementing Cisco Advanced Call Control and Mobility Services (CLASSM) Questions 61–65 (page: 14)

Updated On: 10-Feb-2026

An administrator is implementing a new dial-plan on Cisco Unified Border Element. The administrator must ensure that incoming dial-peers are matched based on the IP address from where the incoming request originates.
Which dial-peer configuration should be applied to accomplish this requirement?

  1. dial-peer voice 1 voip incoming uri to
  2. dial-peer voice 1 voip incoming called-number
  3. dial-peer voice 1 voip incoming uri via
  4. dial-peer voice 1 voip incoming uri request

Answer(s): C



When a third-party SIP Phone System is dialed inbound across a Cisco Unified Border Element, DTMF is failing. The third-party vendor accepts only out-of-band DTMF. Which configuration should be added to the outgoing dial peer to resolve this issue?

  1. dtmf-relay rtp-nte
  2. dtmf-relay cisco-rtp
  3. dtmf-relay h245-signal
  4. dtmf-relay sip-kpml

Answer(s): C


Reference:

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-border- element/200412-DTMF-Relay-and-Interworking-on-CUBE.html





Refer to the exhibit. A call made through the Cisco Unified Border Element to pilot 2000 is failing.
What is causing the call to fail?

  1. The Cisco Unified Border Element is not receiving a response to its OPTION keepalives.
  2. The destination pattern is incorrect for the dialed number.
  3. VAD was not disabled on the outgoing dial peer.
  4. No codecs are configured on the dial peers.

Answer(s): D





Refer to the exhibit. An engineer is troubleshooting a call-establishment problem between Cisco Unified Border Element and Cisco UCM.
Which command set corrects the issue?

  1. SIP binding in SIP configuration mode:
    voice service voip sip bind control source-interface GigabitEthernet0/0/1
    bind media source-interface GigabitEthernet0/0/1
  2. SIP binding in dial-peer configuration mode:
    dial-peer voice 100 voip voice-class sip bind control source-interface GigabitEthernet0/0/0 voice-class sip bind media source-interface GigabitEthernet0/0/0
  3. SIP binding in dial-peer configuration mode:
    dial-peer voice 300 voip voice-class sip bind control source-interface GigabitEthernet0/0/1 voice-class sip bind media source-interface GigabitEthernet0/0/1
  4. SIP binding in SIP configuration mode:
    voice service voip sip bind control source-interface GigabitEthernet0/0/0
    bind media source-interface GigabitEthernet0/0/0

Answer(s): B



A new deployment is using MVA for a specific user on the sales team, but the user is having issues when dialing DTMF. Which DTMF method must be configured in resolve the issue?

  1. in-band
  2. out-of-band
  3. gateway
  4. channel

Answer(s): B



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