Polycom VoiceStation 300 - Manual (Page 44)

System Management
7–9
Figure 7-15 Adm. Page KWS300: Administration/WS page
6 Under Service Status click Block.
7 Click Reboot to update the KWS300 firmware.
8 If you have blocked new calls during a firmware update, enable new calls
again by clicking Administration, then Wireless Server and then clicking
Allow
.
Reboot is required before the firmware update applies.