Yealink Yealink SIP-T28P, Administrator'S Manual

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Getting Started
23
Parameter DHCP Option Description
Server available to the client.
Log Server 7
Specify a list of MIT-LCS UDP servers
available to the client.
Host Name 12 Specify the name of the client.
Domain Server 15
Specify the domain name that client should
use when resolving hostnames via DNS.
Broadcast
Address
28
Specify the broadcast address in use on the
client's subnet.
Network Time
Protocol
Servers
42
Specify a list of NTP servers available to the
client by IP address.
Vendor-Specific
Information
43 Identify the vendor-specific information.
Vendor Class
Identifier
60 Identify the vendor type.
TFTP Server
Name
66
Identify a TFTP server when the 'sname' field
in the DHCP header has been used for DHCP
options.
Boot file Name 67
Identify a boot file when the 'file' field in the
DHCP header has been used for DHCP
options.
For more information on DHCP options, refer to
http://www.ietf.org/rfc/rfc2131.txt?number=2131 or
http://www.ietf.org/rfc/rfc2132.txt?number=2132 .
If you do not have the ability to configure the DHCP options for discovering the
provisioning server on the DHCP server, an alternate method of automatically
discovering the provisioning server address is required. Connecting to the secondary
DHCP server that responds to DHCP INFORM queries with a requested provisioning
server address is one possibility. For more information, refer to
http://www.ietf.org/rfc/rfc3925.txt?number=3925 .
Procedure
DHCP can be configured using the configuration files or locally.
Configuration File <y0000000000xx>.cfg
Configure DHCP on the IP phone.
Configure static DNS address
when DHCP is used.
For more information, refer to