PRI Board for Raspberry Pi

The worldwide first ISDN PRI extension board for Raspberry Pi

PRI board for Raspberry Pi is an ideal solution for enhancing Raspberry Pi to a complete telecommunications system for small and medium-sized enterprises. Integrated into the open-source environment, PRI board for Raspberry Pi provides PRI interfaces in the familiar Asterisk infrastructure. The two available PRI ports allow all types of ISDN integration such as linkage to ISDN networks, integration of existent ISDN systems and much more.

Worldwide first PRI Board
PRI board for Raspberry Pi is the worldwide first PRI board available for the Raspberry Pi environment. It has two PRI ports to connect ISDN systems and ISDN networks.

ISDN Quality
Using an integrated, highly precise 5ppm ISDN clock, PRI board for Raspberry Pi provides ISDN quality for voice, fax and DECT connections.

Open Source
Our PRI board for Raspberry Pi is fully integrated into the Asterisk open-source implementation. The board acts as a typical PRI card with full access to the signaling and service channels of the PRI interfaces based on the Asterisk protocol stack.

Required Processor Raspberry Pi 2 Model B
Raspberry Pi 3 Model B
ISDN 2 x E1 ports (RJ45)
Highly precise 5ppm clock
TE/NT mode
CRC4 & double frame
Network Interfaces Additional 1 x 10/100/1000 Mbits Base-T (RJ45)
Connected via USB 2.0
Programming Interface Receive queue with 4 buffers a 512 byte
Transmit queue with 4 buffers a 512 Byte
2 x 2 Mbits PCM interfaces
Low processor load due to DMA transfer and interrupt triggering
Asterisk Full signaling & media
Easy integration into Asterisk

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