The OAK USB PRI/E1 is an innovative 30-port digital telephone USB adapter designed to connect legacy phones and devices to leading IPPBX platforms. The OAK USB PRI/E1 makes it simple to register ISDN PRI lines just like any normal Dahdi channel in your asterisk server – no additional telephony cards needed! Each analog port can be configured independently with features such as call waiting, call transfer and voicemail conveniently enabled. (This board supports custom service, if you need more than one PRI port, drop an email to our custom service expert (yuqian.li at switchpi.com)
With professional quality components such as premium analog filters and fuses, robust lightning protection, the OAK USBBRI4 offers carrier-grade voice performance and longevity. Backed by a 5-year warranty and round-the-clock technical support.
The OAK USB PRI/E1 supports ITU-G168 128ms echo tails removing (coming soon)
The OAK USB PRI/E1 is compatible with all versions of Asterisk using the DAHDI driver framework. Asterisk and DAHDI are available for free from the Asterisk.org website.
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