If you have a Voicetronix interface card, such as the OpenLine4, OpenSwitch8 or OpenSwitch16, then you will be using their Linux driver. Asterisk communicates with the driver using the vpb channel module.

The configuration of Asterisk's vpb channel module is done in vpb.conf.

See Also

• http://www.voicetronix.com.au/downloads.htm
• Voicetronix

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• Asterisk | Asterisk Channels