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General Notes/Edgemarc Reachable.md

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+1. Verify SIP Server Configuration 
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+    1. Why: If the SIP server address is misconfigured, phones will not register even if network access is available. 
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+    2. Check: 
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+        1. On the Edgemarc, go to VoIP > SIP. 
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+        2. Verify the SIP Server IP is correct. 
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+        3. This address should be an IP - NOT DNS HOSTNAME! 
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+2. Check SIP Survivability Status 
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+    1. Why: If survivability is enabled and expected to provide fallback during WAN outages, phones will not function locally if it is down. 
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+    2. Check: 
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+        1. Go to VoIP > Survivability in the Edgemarc. 
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+        2. Confirm Survivability Status is green. 
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+        3. Restart the survivability process if needed by submitting at the bottom of the page. 
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+3. Confirm Edgemarc Public IP is Whitelisted in Hosted pfSense 
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+    1. Why: If the customer's public IP is not in the alias list used by the hosted pfSense firewall, SIP traffic may be blocked even if management access still works. 
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+    2. Check: 
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+        1. Determine the Edgemarc’s current public IP (via its web UI or using curl ipinfo.io from the CLI). 
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+        2. Log in to the hosted pfSense. 
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+        3. Go to Firewall > Aliases. 
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+        4. Locate the alias used for SIP or VoIP traffic access. 
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+        5. Add the Edgemarc’s public IP if it is missing. 
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+        6. Apply the firewall rules. 
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+4. Confirm Edgemarc IP is Allowed in FreePBX Firewall 
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+    1. Why: FreePBX's built-in firewall may reject SIP registration attempts from unknown or untrusted IPs. 
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+    2. Check: 
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+        1. Log in to the FreePBX admin interface. 
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+        2. Navigate to Connectivity > Firewall. 
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+        3. Expand the menu on the right, and click Advanced. 
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+        4. Navigate to the Advanced Custom Rules tab. 
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+        5. Ensure the Edgemarc’s IP is listed in one of the lines like below: 
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+            1. -I INPUT -s {Edgemarc IP} -p udp -m udp --dport 5060:5061 -j ACCEPT 
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+            2. If not, add the IP and apply the configuration. 
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+5. Optional Checks 
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+    1. Review SIP Registration Logs 
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+        1. Use sngrep on the FreePBX server. 
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+        2. If no SIP traffic is received, or it is not being responded to by the phone server, the issue likely lies with pfSense or FreePBX firewall rules. 
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+        3. If traffic is received but registration fails, inspect the response codes for incorrect credentials or otherwise. 
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+    2. Review phone settings 
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+        1. Double check that the Server host in the phone is correct. 
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+        2. Verify that the outbound proxy is either the Edgemarc internal IP, or disabled.