Users have been reporting unusual automated phone calls, including names and phone numbers, that appear to come from devices internal to the company.
Which of the following should the systems administrator do to BEST address this problem?
A. Add an ACL to the firewall to block VoIP.
B. Change the settings on the phone system to use SIP-TLS.
C. Have the phones download new configurations over TFTP.
D. Enable QoS configuration on the phone VLAN.
Users have been reporting unusual automated phone calls, including names and phone numbers, that appear to come from dev
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answerhappygod
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Users have been reporting unusual automated phone calls, including names and phone numbers, that appear to come from dev
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