I had created a multipath rule previously, on a UTM220 running 9.315 currently, for SIP traffic to be sent out through a T1 which is setup as a secondary WAN link. If I traceroute to the PBX which I have the rule designated that any traffic destined to that IP be routed through the T1, it shows the proper route. However, most of the phones are showing registered from the Comcast connection which is the primary WAN connection. A few are going through the T1, but only a few... Any reason the rule is not working for all phones?
The rule looks like this:
1 Voip [by Interface]
Internal (Network) → Any → New Voip PBX → Verizon T1
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