Would be not necessary to create port-forward rules, while in the case of completely and definitely disable SIP ALG on the contrary The vast majority of website speaking about VoIP recommend to disable SIP-ALG altogether.įor the reasons above I suppose that if would be possible to only completely and definitely disable the second module “nf_nat_sip”
Sip alg detector how to#
How to completely and definitely disable SIP ALG, or how to completely and definitely disable the second module “nf_nat_sip”. The only difference is that without STUN Server the system status of the ATA don’t show my External IP (dynamic IP). VoIP works perfectly (with or without STUN Server) only when the second module “nf_nat_sip” is disabled. I have also disabled STUN server (that I had enabled before because I have a Dynamic IP) from the ATA PAP2T-NA,īecause I read that STUN and SIP ALG can be in conflict, but this latest change in VoIP configuration seems to be irrelevant: Maybe SIP ALG was temporarly but also partially disabled because I have not port(s) forward rules on the firewall so seems still be able to open RTP port(s) automatically. VoIP works perfect without any port-forward rules on my Gl-iNet GL-AR300M-16. The strange thing is that with the seconds module “nf_nat_sip” temporarly disabled like explained VoIP working opening automatically any router’s ports for RTP. I learned from reading on the internet that SIP ALG in theory allow Support SIP-TLS neither alternative SIP port(s). Hi advice is interesting, but unfortunately my provider does not Maybe would be possible to comment with “nano” the module name in a file like above to remove from loading in kernel? I was not able to find any /etc/rc.module or /etc/rc.modules So I was able to remove temporarly only the second one. Unloading the module failed rmmod /lib/modules/4.14.241/nf_nat_sip.ko So I have tried with rmmod… modinfo nf_conntrack_sip modinfo nf_nat_sip rmmod /lib/modules/4.14.241/nf_conntrack_sip.ko …but OpenWRT seem don’t accept the -r option I have tried with the command: modprobe -r nf_conntrack_sip I was able to disable SIP ALG (only) temporarily and as long as it is disabled my VoIP works perfectly,īut once the router is rebooted or surprisingly even after a few hours of operation even without rebooting the two modules “nf_conntrack_sip” and “nf_nat_sip” are still there enabling again SIP ALG with the consequence that my VoIP stop working again. Reading this page I was able to verify that SIP ALG is anabled in my Mini-Router.Īfter many days of testing I have ascertained that the VoIP problems are due to SIP ALG.
Using an ethernet switch I have connected an ATA Linksys PAP2T-NA for VoIP management. Of my Mini-Routers is the GL-AR300M-16 and is dedicated to manage my Home LAN.
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