https://community.ruckuswireless.com/t5/To-Be-Moved/UNLEASHED-AP-BROKE-VOIP-PHONES/m-p/28594#M1634 It sounds to me like either a broadcast that the phones dont like or they are using the same TCP port numbers maybe or even a DHCP issue. What happens if you create a management VLAN for the AP's?  Wed, 27 Feb 2019 16:17:26 GMT robert_lowe_722 2019-02-27T16:17:26Z https://community.ruckuswireless.com/t5/To-Be-Moved/UNLEASHED-AP-BROKE-VOIP-PHONES/m-p/28593#M1633 I have a customer which I maintain an unleashed (current firmware) and a Toshiba IPEdge VOIP system. The VoIP phones are shutting down after functioning fine for 2 years. Nothing has changed on LAN. Toshiba phones function fine independently but as soon as I add one AP the phones go offline. Wed, 27 Feb 2019 00:34:03 GMT https://community.ruckuswireless.com/t5/To-Be-Moved/UNLEASHED-AP-BROKE-VOIP-PHONES/m-p/28593#M1633 pat_toner 2019-02-27T00:34:03Z https://community.ruckuswireless.com/t5/To-Be-Moved/UNLEASHED-AP-BROKE-VOIP-PHONES/m-p/28594#M1634 It sounds to me like either a broadcast that the phones dont like or they are using the same TCP port numbers maybe or even a DHCP issue. What happens if you create a management VLAN for the AP's?  Wed, 27 Feb 2019 16:17:26 GMT https://community.ruckuswireless.com/t5/To-Be-Moved/UNLEASHED-AP-BROKE-VOIP-PHONES/m-p/28594#M1634 robert_lowe_722 2019-02-27T16:17:26Z