*astTECS Single Span E1/T/J1 cards are high performance, cost effective telephony cards available with carrier grade optional hardware echo cancellation. The *astTECS Single Span E1/T/J1 cards allows up to 24 (T1) or 30 (E1) channels and allows integration of legacy telephony systems with emerging Voice-over IP (VoIP) technologies.
*astTECS Single Span E1/T/J1 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 and trunk-side interfaces along with advanced call features.