Poly ATA 40x Setup Guide for Power-T.38 SIP Trunks (Poly ATA 400 | Poly ATA 402)

Connect your Poly ATA 40x series (Poly ATA 400 | Poly ATA 402) to our fax-optimized Power-T.38 SIP trunks for reliable faxing over SIP.

The Poly ATA 40x series helps analog telephony join the digital world, transitioning from Public Switched Telephone Network (PSTN). As regions worldwide shift to digital networks, our solution keeps you connected.

Related Links:

• Manufacturer's Website
• Firmware Updates

Currently Recommended Firmware:  4.0.2.6778 Rev.A

Prerequisites

This article assumes:

• You have signed up for a free trial of our Power-T.38 SIP trunking service
• You have access to our customer self-care portal with an assigned role that allows you to add and delete SIP trunks.
• You have used the T38Fax self-care portal to create a SIP trunk that you now wish to connect to your Poly ATA 402.

Important Note: 

Keep in mind that after you've configured each section, be sure to Submit your changes. This button is located at the bottom of each page:

And if the device requires it, be sure to Reboot your device to ensure that your configuration options are retained. You will see this icon in the upper right corner of the page if a reboot is required:

Update Firmware

Please upgrade your firmware to the newest version available. See the currently recommended firmware in the link above. Once downloaded, navigate to “System Management” and select “Device Update.” From here, click “Choose File” under firmware update to select the previously downloaded file. Finally, click the “Update” button.

Configure SIP Settings

Next, expand the “Service Providers” menu, and then expand “ITSP Profile A” and select the "SIP" section. Here you'll need to configure several options:

Configure SIP Credentials

Next, expand the “Voice Services” menu and select “SP1 Service.” This is where you'll configure your SIP Credentials to link into our service. Under SIP Credentials, configure the following . If you have more than one device at a site, each device should have a unique port = 5080.

Configure Codecs

Finally, navigate to the “Codecs” menu and select the “Codec Profile A” sub-menu. Scroll to the bottom of this menu, and find the "Fax Event" section. Enable this by unchecking the default box and checking the enable checkbox. Then, under the "Codec Settings" section, you will need to set the following:

After submitting your final changes and rebooting, check the “System Status” page (under the “Status” menu) and see that SP1 is registered:

Fax Device Configuration

Finally, configure your analog fax device to work properly with the ATA and your Power-T.38 SIP Trunk. Review our Recommended Fax Machine Settings for details.

Test, Test, and Test Again

Early and extensive testing will ensure a successful deployment and high rates of user adoption and satisfaction over the long term. We encourage you, therefore, to establish a baseline of successful faxing by testing everything you may have configured above, fixing any errors you find, and escalating any problems you can’t solve yourself to our support team.

Not quite sure how to test? Don’t worry, we’ve got your back. We outline our recommended process in this testing support article. 

Support and Additional Resources

Customers looking for technical support can open a case via our customer self-care portal, or by using the “Submit a request” button at the bottom of most knowledge base articles.

We talk a bit about our fax-optimized SIP trunks and explain why T38Fax is the best choice for companies who rely on fax transmissions to conduct business in these articles:

• Fax-Optimized SIP Trunks From T38Fax
• Why Power-T.38 from T38Fax.com?
• ECM - T.38’s Dirty Little Secret (And Why It Matters)