Dhcp Option 160/159/66 - Panasonic KX-UTG200 Setup Manual

2.2.1 Automatic Discovery of the Provisioning URL
Examples
Provisioning URL:
http://x.x.x.x/{MODEL}.cfg
Download the
configuration file
Conditions
•
If SIP PnP is enabled, the device sends a multicast SIP SUBSCRIBE message each time it starts up and
waits a maximum of 5 seconds for a response.
•
If there is no reply, the device gives up on SIP PnP.

2.2.1.2 DHCP Option 160/159/66

The device sends a DHCP REQUEST message with option 66,159, and 160 added to the parameter request
list (option 55).
The DHCP server on the LAN responds with the requested values for the specified configuration parameters
in a DHCP ACK message.
Example
Provisioning URL:
http://x.x.x.x/{MODEL}.cfg
Download the
configuration file
42 Administrator Guide
SIP Phone
SUBSCRIBE (multicast)
200 OK
NOTIFY
Body http://x.x.x.x/{MODEL}.cfg
HTTP GET x.x.x.x/{MODEL}.cfg
SIP Phone
DHCP Request
Option 169/159/66
http://x.x.x.x/{MODEL}.cfg
HTTP GET x.x.x.x/{MODEL}.cfg
SIP Server
DHCP Server Provisioning Server
DHCP ACK
Provisioning Server
Document Version 2015-01