Aastra 480i Administrator's Manual page 426

IP Phone Administrator Guide
Sample Configuration Files
# Network Settings
# ================
# Notes: If DHCP is enabled, you do not need to set these network
# settings. Although depending on you DHCP server configuration you
# may still have to set the dns address.
D-14 41-001129-00 Rev 09, Release 1.4.1
DFW Phone 972-992-4600