I've upgraded today a few routers to 19.07.2.
Those routers have a VLAN configured for Movistar VoIP and it is working, however, I see a new message being repeated in the logs:
xt_CT: No such helper "sip"
Any hint about what is that and how to avoid it?
If its working, I'd advise nothing; but you can install the SIP connection track helper.
What exactly should install ?
If is not needed I will prefer not installing anything else, but also getting rid off the message ...
Thanks! I just did and is not complaining anymore and still working
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