What are three requirements for Quality of Service for voice calls? (Choose three.)

A.
jitter less than or equal to 30 ms

B.
PoE-supported Layer 2 switches used to connect IP Phones

C.
one-way latency less than or equal to 150 ms

D.
jitter less than or equal to 45 ms

E.
guaranteed bandwidth of 384 kbps for a voice call

F.
loss less than or equal to 1 percent