OBi302

The OBi302 is targeted at Internet phone service providers world-wide. Their innovation and sophistication in the areas of speech technology, voice traffic prioritization, call management and ease of set-up are catalysts that ignite excitement among consumer and small business users who want the best product for their VoIP communication needs.

Currently Recommended Firmware: v3.1.2 5896

T38fax.com has officially certified these devices after completing rigorous testing, designed to push these devices to the limit, and we're happy to say that the OBi302 has passed our requirements to make it to our Certified Device List. We've included a simple configuration guide on this page to help you get up and running. If you have any trouble, please open up a support ticket and one of our engineers will assist you as soon as possible!

Important Note: Please keep in mind, after you've configured each section, be sure to Submit your changes, and if the device requires it, be sure to Reboot your device to ensure that your configuration options are retained.

After following this guide, you may want to set up the second analog line per our Obihai Advanced Configuration Guide. It will show you how to configure two fax machines to independently use two separate numbers over one T38Fax trunk.




1. Firmware

Please upgrade your firmware to the newest version available. Current firmware version required is: 3.1.0 (Build 5110) or better. You can do so from the "System Management" menu:




2. ITSP SIP

Next, select the "SIP" section under Voice Services > ITSP Profile A. Here you'll need to configure several options:

Configuration OptionRequired Value
ProxyServer :sip.t38fax.com
ProxyServerPort :5080 help
OBi200-ITSP-Profile-A-SIP



3. SP1 Service

Next, navigation to 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:

Configuration OptionRequired Value
X_AcceptSipFromRegistrarOnly :Enabled (Check the Box)
X_UserAgentPort :5080
AuthUserName :SIP Username help
AuthPassword :SIP Password help
OBi2xx-Voice-SP1-Service



4. Codecs

Finally, you'll need to 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:

Configuration OptionRequired Value
T38ECM :Enabled (Check the Box)
T38Reinvite :Callee Only

At this point, you should be able to check the System Status page (Under the Status menu) and see that SP1 is registered, like so:

OBi2xx-System-Status



5. Fax Machine

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

Why 5080? Learn More

Enter your SIP Username here. (This should be a DID assigned to your account that is available for registration. IE: 18043027000)
Still Confused? Learn More!

Enter the SIP Password for the SIP Username you entered above.
Still Confused? Learn More!