Disable SIP ALG on Arris SURFboard SBG6580

Disable SIP ALG on Arris SURFboard SBG6580



This article will assist a technician or end-user with disabling SIP ALG to support SIP VoIP phones behind the Arris/Motorola SURFboard SBG6580 device.



Known Issues


  1. Login to the device administration interface.  Default IP, username and password can be found here.
  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.

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Published:Tue, Sep 13, 2016 at 12:27 PM
Updated:Wed, Oct 26, 2016 at 6:38 PM
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