Polycom SIP 3.1 manual For more information on DHCP options, go to

					Setting up Your System
			Alternate	Configuration File		Local
Parameter	DHCP Option	DHCP	DHCP	(application only)		FLASH
	Refer to DHCP	•	•	-		•
boot server	Menu on page
address	3-7
	151	•	-	-		•
	Note: This value
SIP server address	is configurable.
SNTP server	42 then 4	•	-	•		•
address
SNTP GMT offset	2	•	-	•		•
DNS server IP	6	•	-	-		•
address
alternate DNS	6	•	-	-		•
server IP address
DNS domain	15	•	-	-		•
	Refer to DHCP	Warning: Cisco Discovery Protocol (CDP) overrides Local FLASH
	Menu on page	that overrides DHCP VLAN Discovery.
VLAN ID	3-7

For more information on DHCP options, go to

http://www.ietf.org/rfc/rfc2131.txt?number=2131 or

http://www.ietf.org/rfc/rfc2132.txt?number=2132.

Note	The configuration file value for SNTP server address and SNTP GMT offset can
	be configured to override the DHCP value. Refer to
	tcpIpApp.sntp.address.overrideDHCP in Time Synchronization <sntp/> on page
	A-59.
	The CDP Compatibility value can be obtained from a connected Ethernet switch if
	the switch supports CDP.
	In the case where you do not have control of your DHCP server or do not have
	the ability to set the DHCP options, an alternate method of automatically
	discovering the provisioning server address is required. Connecting to a
	secondary DHCP server that responds to DHCP INFORM queries with a
	requested boot server value is one possibility. For more information, refer to
	http://www.ietf.org/rfc/rfc3361.txt?number=3361 and
	http://www.ietf.org/rfc/rfc3925.txt?number=3925.

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