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I found that disabling all logging and then performing a full power cycle of my 963 system
I found that disabling all logging and then performing a full power cycle of my 963 system—a step I came across in the post linked below (which discusses BE systems)—resulted in a significant perform...
FYI I read SIP ALG (Application Layer Gateway) is a helper service meant for old VoIP systems — it inspects and modifies SIP (Session Initiation Protocol) packets for voice calls.
On many modern routers, SIP ALG causes more harm than good, breaking VoIP calls, Ring doorbells, or Teams/Zoom sessions. Disabled for me, haven't seen any issues.
SIP ALG (Application Layer Gateway) is a helper service ... On many modern routers
Yes. It is not "modern routers don't need them", it is instead that VOIP providers have built infrastructure for NAT traversal into their clouds.
Another aspect is that the SIP packets can't be modified when the signaling channel is encrypted (TLS in the case of SIP), and the best practice today is to encrypt both the signaling and the media.
So modern VOIP phones (and other SIP clients) generally don't need the router ALG. And it can sometimes get in the way.
Disabled for me
And for me. I think in general people should disable it, unless they discover that they need it.