Aastra Telecom SISIP 57I CT - Manual (Page 504)

Sample Configuration Files
D-14 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Appendix D
# 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.