HI, I am CCNP, but a VOIP newbie, just took a new job. Therefore first VOIP LAN.I have upgraded my LAN using WS-C3560X switches. I am upgrading 60 Tandberg E20 Video Phones from TE2.1.0 to TE4.1.0 due to the E20 not finding the voice vlan.I am usin...