A Network Technician Has Recently Installed New VoIP Phones at All

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.