Verizon WiFi Calling Help
Hello, seeing Verizon WiFi calling blocked at the WAN bridge but not sure how to allow this since you cannot add rules directly to the bridge. Do I have to setup a port forward to a device group perhaps? It looks like Verizon is initiating an inbound connection as a checkin or something of the sort over port 4500.


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I'm having the same issue for a while. I even put in a bidirectional rule allowing traffic from the Verizon domain but I am still seeing the domain blocked on the inbound. I've been in contact with support for a while but I am still having problems with wifi calling. One thing to remember to do is enable IPsec but even with it on I am still having this problem.
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For me, the issue with Wi-Fi calling is not that the call does not go through but that the phone goes offline and therefore all phone calls go straight to voicemail. It seems like Firewalla closes the port whereas Verizon expects it to be open and pings the phone intermittently to see that it's still there. I have even whitelisted all the necessary domains completely opened up the port and still firewalla blocks the traffic. Outgoing phone calls sometimes fail but the most part they work.
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Well, now I am thoroughly confused. I am also able to make and receive calls, with or without the IPSEC passthrough enabled. This wasn't always the case, but I will likely need to give it time and see if it stops working now that I've disabled IPSEC again. The inbound traffic from Verizon is still being blocked, so I'm guessing that's some kind or persistence or keepalive on their end. If their IPSEC tunnel goes down, then maybe it will not be able to come back up and it will break again. Will report back in a few days.
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I found this over on verizon: https://community.verizon.com/t5/DROID/Wi-Fi-Calling-does-NOT-work/td-p/1213324

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Hello,
I have the same issue but my setup is in Bridge mode, but NAT Settings are not available in this mode. I also don't see any attempt from my phone. I open a case with firewalls, so far their solution is to turn off "monitoring". For that I could have save that money. In my case WIFI using verizon was working before I put the firewalla in place.
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i see the traffic as being allowed or OK. is there a logic behind the rules? Normally firewalls rules work in a top down approach, I manage Cisco Firepowers and Palo Alto and both of those work in that matter. This is the only thing I could think of but then again, I have no way of re-ordering the rules.
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@Francisco, if your Firewalla box is working in bridge mode, Firewalla box is like a switch and won't do NAT. Monitoring off is a troubleshooting step to test if it's blocked by a firewall feature. Our engineer may need to take a look from the inside. Can you please check the case and share access with us?
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Verizon phone here. So just started this morning, similar issue if I make a wifi call it connects then immediately drops call. If I receive a call it rings 1x and then drops the incoming call, never get to answer it.
Thought emergency mode allowed it to work and I think it did once or twice then wifi calling continued to fail.
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