How to Disable or enable SIP ALG on TD-W8960N

SIP ALG  is a security component,it is created in the same way as a proxy policy and offers similar configuration options ,SIP ALG commonly found in a router or firewall device Such as TD-W8960N,Many TD-W8960N routers comes with SIP ALG enabled by default.
To disable SIP ALG on TD-W8960N routers please follow the instructions below.
Step 1:  click on Start button--->Run to open Run program and  Type in cmd in the open bar and click OK
Step 2: Type in "telnet 192.168.1.1" (192.168.1.1 is the default IP Address of the modem router, if you have changed it, please type in the matched IP) and press Enter.
NOTE: In Win7 or Vista, the telnet command may not be enabled by default, please click on Start Button->Control Panel->Programs-> Programs And Features->Turn Windows features on or off, then check Telnet Client and hit OK to enable telnet command  .
Step 3 :In the telnet page, type in the username and password for the modem router (both are admin by default) and press Enter.
Step 4 :Type in command sh and press Enter.
Step 5: Type in the following commands And press Enter.
 
rmmod nf_nat_sip.ko
rmmod nf_conntrack_sip.ko


- You may try the lsmod command to check if the SIP ALG is turned off or not.When the SIP ALG is on, the status for the following sip items will show live.

nf_nat_sip
nf_conntrack_sip

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