*astTECS single span E1/T1/J1 PRI cards is high-performance, cost effective telephony cards available with carrier grade optional hardware echo cancellation. *astTECS E1/T1/J1 digital cards are designed to work with Open Source based VoIP platforms such as Asterisk® (e.g. PBX in a Flash®, FreePBX® Elastix®) & FreeSWITCH®. It supports industry standard telephony protocol families. Both line-side, trunk-side interfaces along with advanced call features are supported.
|Number of ports||Single Span E1/T1/J1 Card (PCIe)|
|Channel / Concurrent calls||Upto 30 Voice Calls|
Linux Kernel : 2.4 to Latest
|Dimension||126 mm X 56 mm|
We are happy with the product and performance of this product from the day of its integration with our PRI gateway
Only thing missing here is Win10 compatibility
Voice quality is good