Yealink SIP-T48G Administrator's Manual page 45

The following table lists common DHCP options supported by IP phones.
Parameter DHCP Option
Subnet Mask
Time Offset
Router
Time Server
Domain Name
Server
Log Server
Host Name
Domain Server
Broadcast
Address
Network Time
Protocol
Servers
Vendor-Specific
Information
Vendor Class
Identifier
TFTP Server
Name
Boot file Name
For more information on DHCP options, refer to
http://www.ietf.org/rfc/rfc2131.txt?number=2131
http://www.ietf.org/rfc/rfc2132.txt?number=2132.
If you do not have the ability to configure the DHCP options for discovering the
1 Specify the client's subnet mask.
Specify the offset of the client's subnet in
2 seconds from Coordinated Universal Time
(UTC).
Specify a list of IP addresses for routers on the
3
client's subnet.
Specify a list of time servers available to the
4
client.
Specify a list of domain name servers
6
available to the client.
Specify a list of MIT-LCS UDP servers
7
available to the client.
12 Specify the name of the client.
Specify the domain name that client should
15
use when resolving hostnames via DNS.
Specify the broadcast address in use on the
28
client's subnet.
Specify a list of NTP servers available to the
42
client by IP address.
43 Identify the vendor-specific information.
60 Identify the vendor type.
Identify a TFTP server when the 'sname' field
66 in the DHCP header has been used for DHCP
options.
Identify a boot file when the 'file' field in the
67 DHCP header has been used for DHCP
options.
or
Getting Started
Description
31