A Network Technician Has Recently Installed New VoIP Phones at All

question 488

Multiple Choice

A network technician has recently installed new VoIP phones at all employee's desks to support a new SIP cloud VoIP solution. However, the technician is unable to make a call from the device after testing. Which of the following should the technician verify? (Choose two.)

• A) TCP 443 is allowed.
• B) UDP 1720 is allowed.
• C) UDP 5060 is allowed.
• D) UDP 5061 is allowed.
• E) TCP 8080 is allowed.
• F) TCP 8181 is allowed.

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