The following illustration depicts an overview of how redirection server is used.
SIP Phone
Provisioning Server
Panasonic Redirection
Server
HTTP GET {MODEL}.cfg

A

B

HTTP GET Config{MAC}.cfg
SIP REGISTER

C

CustomerCarrier
HTTP GET {mac}.cfg
Connect to the Internet

D

E

F

G

SIP Server
1. Register the provisioning URL and the MAC address
The carrier registers its provisioning URL and the MAC address of the unit to the redirection server.
2. Deliver the unit to the customer
3. Connect the phone to Internet
Assuming that unit can't obtain Provisioning URL via SIP PnP or DHCP options.
4. Get the {mac}.cfg configuration file
The unit connects to the redirection server using the embedded URL and gets the {mac}.cfg file. The
provisioning URL is contained in the {mac}.cfg file and the root certificate URL may also be included
depending on the information registered in step 1.
5. Get the initial configuration file
The unit connects to the provisioning server and gets initial configuration file ({MODEL}.cfg).
6. Get device configuration file
The unit connects to the provisioning server and gets the device configuration file (Config{MAC}.cfg).
40 Administrator Guide Document Version 2014-05
2.2.1 Automatic Discovery of the Provisioning URL