Just loading up some more notes that I have laying around. I feel the right thing is to share them. Hope they help someone

Voice VLANs

With voice data the key factor is getting the voice traffic to its destination as quickly as possible in order to avoid jitter and unintelligible voice streams. (“jitter” occurs when there’s a delay in transmitting voice or video traffic, perhaps due to improper queueing.)

Switchports that have IP phones plugged into them can be configured 2 ways:

Trunk port: Gives the advantage of creating a voice VLAN that will carry nothing . . . → Read More: SWITCH Study Notes – IP Telephony & Voice VLANs