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Free 300-815 Exam Braindumps
Implementing Cisco Advanced Call Control and Mobility Services (CLASSM) Questions 41–45 (page: 10)

Updated On: 10-Feb-2026
Page 10 of 50
PDF with 245 Questions

A customer has multisite deployments with a globalized dial plan. The customer wants to route PSTN calls via the gateway assigned to each site.
Which two actions will fulfill the requirement? (Choose two.)

  1. Create one global route list for PSTN calls that points to one global PSTN route group.
  2. Create a route group which has all the gateways and associate it to the device pool of every site.
  3. Assign one route group as a local route group in the device pool of the corresponding site.
  4. Create one route group for each site and one global route list for PSTN calls that point to the local route group.
  5. Create a hunt group and assign it to each side route pattern.

Answer(s): A,C


Reference:

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/8x/uc8x/dialplan.html



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 in the SDP.
Which configuration change must be made on the gateway to resolve the issue?

  1. Router(config-sip-ua)# no disable-early-media 180
  2. Router(conf-voi-serv)# no disable-early-media 180
  3. Router(conf-voi-serv)# disable-early-media 180
  4. Router(config-sip-ua)# disable-early-media 180

Answer(s): D


Reference:

https://www.cisco.com/en/US/docs/ios/12_3t/voice/command/reference/ vrht_d2_ps5207_TSD_Products_Command_Reference_Chapter.html#wp1452642



An engineer must configure a Cisco UCM hunt list so that calls to users in a line group are routed to the first idle user and then the next.
Which distribution algorithm must be configured to accomplish this task?

  1. broadcast
  2. top down
  3. longest idle time
  4. circular

Answer(s): C


Reference:

https://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/4_0_1/ccmcfg/b03lngrp.html



An engineer has temporarily disabled toll fraud prevention for SIP line calls on a Cisco CME12.6x and must enforce security and toll fraud prevention for the SIP line side on Cisco Unified CME. Which configuration must be used to start this process?

  1. voice service voip enable ip address trust list
  2. voice service voip ip address trusted list
  3. voice service voip ip address trusted authenticate
  4. voice service voip enable ip address trust authentication

Answer(s): B


Reference:

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



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.)

  1. three-way conference
  2. secure SIP lines
  3. T.38 fax relay
  4. transcoding
  5. SIP trunk

Answer(s): A,C


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_sip_isr4000.html



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