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  1. Home
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  3. 300-815

Cisco® 300-815 Exam (page: 4)
Cisco® Implementing Advanced Call Control and Mobility Services (CLASSM)
Updated on: 25-Dec-2025

Viewing Page 4 of 37
300-815 PDF 234 Questions

Which action is correct with respect to toll fraud prevention configuration in the Cisco Unified Communications Manager Express?

  1. Configure Direct Inward Dial for Incoming ISDN Calls with overlap dialing.
  2. Configure IP Address Trusted Authentication for Incoming VoIP Calls.
  3. Configure the command no ip address trusted authenticate under “voice service voip”.
  4. Enable Secondary Dial tone on Analog and Digital FXO Ports.

Answer(s): B


Reference:

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmetoll.html#concept_ECC4F4E7ED0F45C594B703EEF34762F2



You see the voice register pool 1 command in your Cisco Unified Communications Manager Express configuration. Which configuration is occurring in this section?

  1. configuration for a single SIP phone
  2. configuration items common for all SIP phones
  3. configuration for a pool of SIP phones (similar to device pool on Cisco Unified Communications Manager)
  4. configuration for SIP registrar service

Answer(s): A


Reference:

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_setting_up_using_sip.html



Which top-level IOS command is needed to begin the configuration of a Cisco Unified Communications Manager Express gateway to enable phones to be registered via SIP?

  1. allow-connections sip to sip
  2. voice service voip
  3. voice register global
  4. voice register dn

Answer(s): C


Reference:

https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-express/99946-cme-sip-guide.html



For s SIP to SIP call flow, when does Cisco Unified Border Element require transcoding resources for DTMF?

  1. interworking between an OOB method and RFC2833 for flow-around calls
  2. interworking between h245-signal and rtp-nte
  3. interworking between an OOB method and RFC2833 for flow-through calls
  4. interworking between h245-alpha numeric and sip-kpml

Answer(s): A


Reference:

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-border-element/200412-DTMF-Relay-and-Interworking-on-CUBE.html#anc35



Where is the dtmf-relay command configured on Cisco Unified Border Element?

  1. in the voice-class VoIP configuration
  2. in the VoIP dial peer
  3. in global SIP configuration
  4. in the VoIP or POTS dial peers

Answer(s): B


Reference:

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/configuration/cube-book/dtmf-relay.html



Viewing Page 4 of 37



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