To display and configure PNP setting for Auto Provisioning.
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).
To display and configure manual update server’s settings.
URL: Auto provisioning server address.
User name: Configure if server needs an username to
access, otherwise left blank.
Password: Configure if server needs a password to access,
otherwise left blank.
Common AES Key: Used for IP phone to decipher common
Auto Provisioning configuration file.
AES Key (MAC): Used for IP phone to decipher
MAC-oriented auto provisioning configuration file(for
example, file name could be 0c1105888888.cfg if IP