Yealink T5 Series Administrator's Guide

Administrator’s Guide for SIP-T58V/T58A/T56A/CP960 IP Phones
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Description
It configures the secondary IPv6 DNS server.
Note: It works only if “static.network.ip_address_mode" is set to 1 (IPv6) or 2 (IPv4 & IPv6). In DHCP envir-
onment, you also need to make sure “static.network.ipv6_static_dns_enable" is set to 1 (On).
Permitted
Values
IPv6 Address
Default Blank
Web UI Network->Basic->IPv6 Config->Static IPv6 DNS->Secondary DNS
Phone UI
Settings->Advanced Settings (default password: admin) ->Network->WAN Port->IPv6->Type (Static IP) -
>Secondary DNS
Or Settings->Advanced Settings (default password: admin) ->Network->WAN Port->IPv6->Type (DHCP)
->Static DNS (Enabled) ->Secondary DNS
Parameter
static.network.ipv6_icmp_v6.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to obtain IPv6 network settings via SLAAC (Stateless Address Auto-
configuration).
Note: It works only if “static.network.ipv6_internet_port.type” is set to 0 (DHCP).
Permitted
Values
0-Disabled
1-Enabled
Default 1
Web UI Network->Advanced->ICMPv6 Status->Active
[1]
If you change this parameter, the phone will reboot to make the change take effect.
DHCP Option for IPv4
The IP phone can obtain IPv4-related parameters in an IPv4 network via DHCP option.
Note
For more information on DHCP options, refer to RFC 2131 or RFC 2132.
Topics
Supported DHCP Option for IPv4
DHCP Option 66, Option 43 and Custom Option
DHCP Option 42 and Option 2
DHCP Option 12
DHCP Option 60
Supported DHCP Option for IPv4
The following table lists common DHCP options for IPv4 supported by Yealink phones.
Parameters
DHCP
Option
Description
Subnet Mask 1 Specify the client’s subnet mask.
Time Offset 2
Specify the offset of the client's subnet in seconds from Coordinated Universal
Time (UTC).

Yealink T5 Series Specifications

General

Brand	Yealink
Model	T5 Series
Category	IP Phone
Language	English