FreePBX calls drop after 30 seconds
Fix calls that cut out at the same point every time.
| What you need | Affects |
|---|---|
| Admin access to the FreePBX admin panel, and router access | Calls that drop |
1. Fix it
- Turn off SIP ALGTurn off SIP ALG on your router.
- Check NATCheck the external address and local networks in Settings → Asterisk SIP Settings.
- Check port forwardingMake sure the SIP port is forwarded correctly if FreePBX is behind NAT.
2. Test
Make a long test call. If it still drops, check the logs.
Troubleshooting
| Problem | Likely cause and fix |
|---|---|
| Drops at exactly 30 seconds | The far end never gets the answer message. It's almost always NAT or SIP ALG. |