Aastra Telecom 41-001343-02 manual Dhcp Option Settings

	Operational, Basic, and Advanced Parameters
DHCP Option Settings
Option 12
Parameter–	Configuration Files
hostname	aastra.cfg, <model>.cfg, <mac>.cfg
Description	Specifies the hostname DHCP Option 12 that the phone sends with the DHCP Request
	packet.
	Note:
	If you change this parameter, you must restart your phone for the change to take affect.
Format	String
Default Value	[<model><MAC IP Address>]
Range	Up to 64 alpha-numeric characters
	Note:
	The value for this parameter can also be a fully qualified domain name.
Example	hostname: aastra4
Option 77
Parameter–	Configuration Files
dhcp userclass	aastra.cfg, <model>.cfg, <mac>.cfg
Description	Specifies the User Class DHCP Option 77 that the phone sends to the configuration server
	with the DHCP Request packet.
	Note:
	If you specify a value for this parameter, you must restart your phone for the change to take
	affect. Any change in its value during start-up results in an automatic reboot.
Format	String
Default Value	““
Range	Up to 64 alpha-numeric characters
Example	dhcp userclass: admin
Option 120
Parameter –	Configuration Files
use dhcp option 120	aastra.cfg, <model>.cfg, <mac>.cfg
Description	Enables support for DHCP Option 120 on the IP phones. DHCP Option 120 allows SIP clients
	to locate a local SIP server (i.e. outbound proxy server) that can be used for all outbound SIP
	requests.
Format	Boolean
Default Value	0 (disabled)
Range	0-1
	0 (disabled)
	1 (enabled)
Example	use dhcp option 120: 1

41-001343-02 REV04 – 05.2014 A-12