Urgent help : traffic on the voice VLAN ( interface 2) need route to WAN2 and Failover

Need help for the following:

1.All internet traffic on the voice VLAN is directed to the 4G LTE WAN
VLAN1 (default) is currently in use for the production data network, DHCP handled by a Windows server. All internet traffic goes through ETH1.
Another vendor wants to tie into our router to provide voice services. All voice traffic should be going through ETH10 via the LTE modem.
I’d also want to set up the MicroTik to failover data network traffic to ETH10 as well.
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Please help
Muhammed.Suhile@outlook.com