Bridge ONT modem VOIP vlan to openwrt

Installing and Using OpenWrt
1

Hello Guys
I recently had FTTH to my home installed, and internet and voip and iptv are provided via fiber cable to my ont, I am only subscribed to voip and internet.
I have my ONT modem/router combo set for bridged mode for the internet PPPOE on vlan 10 and its working fine.
for VOIP there is no option on the ont modem to set it for bridge mode. for voip it IPOE encapsulation mode over vlan 943 and i get ip set static and subnet and gateway, I can delete this connection from the modem, but i am not entirely sure how to set it in openwrt so i can connect my iphone to make calls.
Can anyone point me to the right direction please I have Netgear R9000 router which isnt officially supported yet, it has 2 internal switches

config interface 'loopback'
        option device 'lo'
        option proto 'static'
        option ipaddr '127.0.0.1'
        option netmask '255.0.0.0'

config globals 'globals'
        option ula_prefix 'fdec:cc4d:92f5::/48'

config device
        option name 'br-lan'
        option type 'bridge'
        list ports 'eth1.1'
        option ipv6 '0'

config interface 'lan'
        option device 'br-lan'
        option proto 'static'
        option ipaddr '10.11.12.1'
        option netmask '255.255.255.0'
        list dns '8.8.8.8'
        list dns '2.2.2.2'
        option delegate '0'

config interface 'wan'
        option device 'eth2.2'
        option proto 'pppoe'
        option username '----------'
        option password '------'
        option ipv6 '0'
        option peerdns '0'
        list dns '8.8.8.8'
        list dns '2.2.2.2'
        option delegate '0'

config switch
        option name 'switch0'
        option reset '1'
        option enable_vlan '1'

config switch_vlan
        option device 'switch0'
        option vlan '1'
        option ports '0t 1 2 4 6'
        option vid '1'

config switch_vlan
        option device 'switch0'
        option vlan '2'
        option ports '3 5t'
        option vid '2'

config switch
        option name 'switch1'
        option reset '1'
        option enable_vlan '1'

config switch_vlan
        option device 'switch1'
        option vlan '1'
        option ports '0 1 2 3 4 5 6t'
        option vid '1'

config device
        option type '8021q'
        option ifname 'eth2.2'
        option vid '10'
        option name 'eth2.2.10'
        option macaddr 'BB:D7:1D:45:A1:A4'
        option ipv6 '0'

config device
        option name 'eth2'
        option macaddr 'BB:D7:1D:45:A1:A4'
        option ipv6 '0'

config device
        option name 'eth2.2'
        option type '8021q'
        option ifname 'eth2'
        option vid '2'
        option macaddr 'BB:D7:1D:45:A1:A4'
        option ipv6 '0'

config device
        option name 'eth1.1'
        option type '8021q'
        option ifname 'eth1'
        option vid '1'
        option macaddr 'BB:D7:1D:45:A1:A4'
        option ipv6 '0'
        option drop_v6_unicast_in_l2_multicast '0'

config interface 'modem_access'
        option proto 'static'
        option device 'eth2.2'
        option ipaddr '192.168.100.2'
        option netmask '255.255.255.0'
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