Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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DHCP Option 60 Configuration
The following table lists the parameters you can use to configure DHCP option 60.
Parameter static.network.dhcp.option60type
<y0000000000xx>.cfg
Description It configures the DHCP option 60 type.
Permitted
Values
0-ASCII, vendor-identifying information is in ASCII format.
1-Binary, vendor-identifying information is in the format defined in
.
Default
0
Parameter static.auto_provision.dhcp_option.option60_value <y0000000000xx>.cfg
Description It configures the vendor class identifier string to use in the DHCP interaction.
Permitted
Values
String within 99 characters
Default
yealink
Web UI
Settings > Auto Provision > IPv4 DHCP Option Value
Phone UI
Color Screen Phones:
Menu > Advanced (default password: admin) > Auto Provision > IPv4 DHCP Option Value
Black-and-white Screen Phones:
Menu > Settings > Advanced Settings (default password: admin) > Auto Provision > IPv4 DHCP
Option Value
DHCP Option for IPv6
The phone can obtain IPv6-related parameters in an IPv6 network via DHCP option.
Topics
Supported DHCP Option for IPv6
DHCP Option 59 and Custom Option
Supported DHCP Option for IPv6
The following table lists common DHCP options for IPv6 supported by Yealink phones.
Parameters
DHCP
Option
Description
DNS Server
23
Specify a list of DNS servers available to the client.
DNS Domain
Search List
24
Specify a domain search list to a client.
SNTP Server
31
Specify a list of Simple Network Time Protocol (SNTP) servers available to the client.
Information
Refresh Time
32
Specify an upper bound for how long a client should wait before refreshing inform-
ation retrieved from DHCPv6.
Boot File URL
59
Specify a URL for the boot file to be downloaded by the client.
DHCP Option 59 and Custom Option
During the startup, the phone automatically detects the DHCP option for obtaining the provisioning server address.
The priority is as follows: custom option > option 59.