Ubiquiti Disable SIP ALG (application layer gateway)
https://youtube.com/embed/pC8YLZpYzEM Running SIP from behind your EdgeRouter or USG? Having call quality problems or can’t initiate calls? Disable your SIP ALG (application layer gateway). The SIP ALG is supposed to help broker SIP sessions through NAT (network address translation) but usually breaks the calls instead. Here we’ll walk through how to disable the SIP ALG if you have a USG (via the UniFi software) or if you have ANY EdgeRouter from Ubiquiti Networks. Loss of audio, dropped calls, and one…