Howto disable SIP ALG on TP-Link Router

Howto disable SIP ALG on TP-Link Router


In some VoIP Providers, they need disable ALG on Router for SIP. So in this guide we will help to disable ALG on TP-Link Router

Use command line to telnet to TP-Link router with admin password


Password: ********

TP-LINK> ip nat service sip sw off

Nat Sip v2 switch off!


NOTE: It’s not for permanent, when router reset or reboot, the SIP ALG on TP-Link will be enabled again. We have to disable by this command after reboot.

Thanks for using


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