The OBi202 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. In addition to the list of voice features provided, the OBi2xx also supports T.38, an essential feature when you want to fax over SIP trunks.
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 OBi5vs 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.
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:
This guide assumes you've accurately configured the device for access to your network, and are looking to link this in directly with our T38fax.com SIP Trunking service. To begin, you'll need to setup an ITSP Profile for your T38fax account. We used ITSP Profile A. Under the "General" section, configure the following options:
Next, select the "SIP" section under ITSP Profile A. Here you'll need to configure several options:
ProxyServerPort: 5080 help
RegistrarServerPort: 5080 help
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:
AuthUserName: SIP Usernamehelp
AuthPassword: SIP Passwordhelp
X_KeepAliveEnable: Enabled (Check the Box)
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:
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:
Finally, configure your fax machine to work properly with your Power-T.38 SIP Trunk. Review our Recommended Fax Machine Settings for details.