Sonicwall TZ 210w Fail-over configuration

Have a Sonicwall TZ-210w Configured with Comcast Cable Internet. We also have an AT&T T-1 that is configured for a few of our phones to use for SIP calling, plugged directly into it's own switch. How do I configure the Sonicwall to use the T-1 in a fail-over situation when Comcast goes down? Obviously I would connect the AT&T T-1 to the Sonicwall, but from there what do I need to do in the web interface?
Agility_KolbAsked:
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Blue Street TechLast KnightCommented:
Hi Agility_Kolb,

Basically you will need to configure WAN Fail-over Load balancing & Probe settings. I'd plug the second WAN into X2.

Here is the step-by-step to follow on how to setup the second WAN connection: https://www.fuzeqna.com/sonicwallkb/ext/kbdetail.aspx?kbid=7781

After that, follow this step-by-step to setup the Fail-over Load Balancing & Probing: https://www.fuzeqna.com/sonicwallkb/ext/kbdetail.aspx?kbid=7828

Let me know if you have any questions!
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