4.5. Upgrade
4.5.1. Web Upgrade
Go to
Upgrade
-
Basic
to do web upgrade.
Upgrade:
Choose “.rom” firmware from the PC, and then click
“Submit” to start update.
4.5.2. Autop Upgrade
Go to
Upgrade
-
Advanced
to configure automatically update
server’s settings.
PNP
Plug and Play, once PNP is enabled, the phone will send SIP
subscription message to PNP server automatically to get auto
provisioning server’s address.
By default, this SIP message is sent to multicast address
224.0.1.75 (PNP server address by standard).