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Category: 642-144

642-144 IPTX – IP Telephony Express Exam

Which two signaling protocols can traverse the IP WAN in this deployment model?

Domain.com is a medium-size, not-for-profit group that wants to implement centralized call processing. The group will implement a hub-and-spoke topology with all of the remote branches utilizing Cisco Unified CallManger Express connected to the central site using Cisco Unified CallManger via an IP WAN. The remote branch will be limited to 150 IP phones so the local gateway can provide SRST feature through Cisco CallManger Express. Each time a remote branch phone places a call, the control taffic traverses the IP WAN (even if the call is local to the branch) to reach the Cisco Unified CallManager at the Central Site. All the control traffic exchanged between a Cisco CallManager at the central site and endpoints or gateways at the remote branches. Which two signaling protocols can traverse the IP WAN in this deployment model? ( Choose two.)


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