Yealink SIP-T48G Administrator's Manual page 842

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
The following tables list all the configurations defined never be saved to <MAC>-local.cfg
file.
Item
Server Type
Network
822
Configurations
account.X.sip_server_type
account.X.xsi.server_type
network.dhcp_host_name
network.pppoe.user
network.pppoe.password
network.pc_port.enable
network.internet_port.speed_duplex
network.pc_port.speed_duplex
network.static_dns_enable
network.ipv6_static_dns_enable
network.vlan.pc_port_mode
network.dns.ttl_enable
network.mtu_value
network.vlan.internet_port_enable
network.vlan.internet_port_vid
network.vlan.internet_port_priority
network.vlan.pc_port_enable
network.vlan.pc_port_vid
network.vlan.pc_port_priority
network.vlan.dhcp_enable
network.vlan.dhcp_option
network.vlan.vlan_change.enable
network.port.http
network.port.https
network.qos.rtptos
network.qos.signaltos