AT&T 2Wire Routers Configuration

AT&T 2Wire Routers

AT&T Supplies it's U-verse customers with their own 2Wire modems. For the most part those modems work well with OnSIP>

Firmware upgrade

A new version of firmware is being pushed to ATT U-verse 2Wire modems. The new firmware turns on the SIP ALG and prevents users from accessing the advanced tab to turn it off.


The only remedy is to have the modem placed in bridge mode and add a recommended router which does not have a SIP ALG.

External Links

External links to turn the 2Wire router into bridge mode and how to setup a Linksys router to work with a 2Wire.


NOTE: The information provided above is from another OnSIP customer offering these settings for other customers with a similar device.  OnSIP does not sell nor monitor equipment and/or it's firmware updates/etc.  The settings of routers can change and are out of the control of OnSIP.  For best results, reach out to the manufacturer directly.


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