Ubiquiti Edgemax Edgerouter РDisable SIP ALG

SIP ALG is enabled by default and must be disabled because it causes intermittent issues with phone registration, call failures, one way audio and other issues.

Resolution

1. Log into the router
2. Enter the following commands into the Edgemax Command Line Interface
– configure
– set system conntrack modules sip disable
– commit
– save
– exit