Disable SIP ALG: Difference between revisions

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Disabling an ALG on your router may well help with any VoIP problems. Here are some notes on various routers that we've come across:

== ZyXEL VMG1312 and VMG3925 ==

Usually disabled by default.

*Log in to the router's web interface

*Go to:

**Network Setting - NAT - ALG

*Disable the settings there

== Technicolor ==

To completely disable the SIP ALG, you will need to connect via Telnet to your router.

connection unbind application=SIP port=5060

:connection unbind application=SIP port=5060

saveall

:saveall

exit~~</nowiki>~~

:exit

(On older models/firmware the command to use is '':nat unbind...'' rather than '':connection unbind...'')

==Billion 7800==

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== Neatgear==

From Wan Setup Menu: go to NAT Filtering and ~~uncheck~~ the box next to "Disable SIP ALG"

From Wan Setup Menu: go to NAT Filtering and check the box next to "Disable SIP ALG"

==Vigor2750, Vigor2130==

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If SIP ALG is disabled successfully, it will show Nat Sip v2 switch off! This will reset when rebooted and will need to be set again.

==~~More~~ ~~info:~~==

==BT Business Hub==

#Open a browser go to 192.168.1.254

#Click on ‘Advanced Settings’

#Enter your admin password the default admin password can be found on the bottom of the router).

#Click Continue to 'Advanced Settings'

#Click Firewall then 'Configuration' and scroll down to 'Application Layer Gateway'

#Click Yes next to 'Disable SIP ALG' and click Apply

==ZyXEL 660 range==

#telnet router

#Menu option "24. System Maintenance".

#Menu option "8. Command Interpreter Mode".

#Type in:

ip nat service sip active 0

==More info==

*More info on: [http://www.voip-info.org/wiki/view/Routers+SIP+ALG VoIP-Info]

[[Category:~~VoIP_Faults~~]]

[[Category:VoIP Faults]]