Arris SBG6580

Disabling SIP ALG

1. Login to the device administration interface.  
2. Click the Advanced Link at the top of the screen.
3. Uncheck the SIP ALG Enable option.
4. When the Warning - Your Modem Needs to be Rebooted for SIP ALG to be Disabled message appears, click the OK button.
5. Below the SIP ALG Enable option, click the Apply button to save changes.
6. In the upper-left corner of the page, click Status.
7. In the left-hand menu, click Configuration.
8. Click the Reboot button.

Setting DMZ Zone