Alphabetical Reference
175
DHCP IP assignment
• At power up starting endpoints search for a ! DHCP server and try to
obtain configuration parameters from that central server. The protocol
is based on broadcasts and hence the endpoints do not need to know
the location of the DHCP server.
• DHCP is an extension of the BOOTP protocol. The original BOOTP pro-
tocol only allowed for the automatic configuration of IP related param-
eters and for the detection of a server to boot and endpoint from.
DHCP is a more generic in that it allows for the request of a set config-
uration options and these options are not constrained to the basic IP
related parameters.
• Activate this option if the required IP data of the telephone should be
assigned dynamically by a ! DHCP server.
• If no DHCP server is available, please deactivate this option. In this
case, the data corresponding to the ! Terminal IP address, ! Terminal
mask and ! Default Route must be defined manually.
• List of information obtained by DHCP:
• The change will only have effect if you restart the phone.
• Default value: On.
• Editing by phone: Switch Editor ! page 157.
! page 57 ! page 114
Basic informations • Terminal IP Address
• Terminal Mask (Network Mask)
Optional informations • Default Route (Routers option 3)
• IP Routing/Route 1 & 2
(Static Routes option 33)
• SNTP IP Address (NTP Server option 42)
• Timezone offset
(Time Server Offset option 2)
• Primary/Secondary IP Addresses
(DNS Server option 6)
• DNS Domain Name
(DNS Domain option 15)
• SIP Addresses / SIP Server & Registrar
(SIP Server option 120)
• Vendor Unique (option 43)
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