3Com V7111 - VCX 4 Channels Analog FXO Media Gateway User Manual page 160

Client Properties Screen
Figure 69
10 Click Options to display the DHCP Options: Reservation screen.
DHCP Options: Reservation Screen.
Figure 70
11 Add the following extension fields from the list in the left pane of the DHCP Options:
Reservation screen:
003 Router (Default router/Gateway)
012 Host Name (BootP client name such as the 24FXS or other customer-selected
name)
066 Boot Server Host Name (Domain name or IP address of the TFTP server)
067 Bootfile Name (Such as ram.cmp)
160 3Com VCX V7111 VoIP SIP Gateways User Manual