Any T4S Yealink Desk phone (T41S, T41SW, T42S, T46S or T46SW). Any T5xW series phones (T53W, T54W, T57W, VZP59). Desk phones are all on the same LAN network. If LAN traffic restriction policies are in place on their Firewalls, you will need to make sure the following por...
Any T4S Yealink Desk phone (T41S, T41SW, T42S, T46S or T46SW). Any T5xW series phones (T53W, T54W, T57W, VZP59). Desk phones are all on the same LAN network. If LAN traffic restriction policies are in place on their Firewalls, you will need to make sure the following por...