The Sangoma A101 PCI Express Card is designed for high-performance telecommunication applications, offering reliable Echo Cancellation hardware. This card supports up to 30 voice calls or delivers 2.048 Mbps of full duplex data throughput over a single T1, E1, or J1 line.
Key features include:
- Ring buffer DMA handling to ensure minimal host intervention and guaranteed data integrity on high volume systems.
- Support for Robbed Bit Channel Associated Signaling (CAS), ISDN PRI T1/E1, fractional T1/E1, and multiple channel HDLC per line for mixed data and TDM voice applications.
- G. 168-2002 echo cancellation with 1024 taps and 128ms tail per channel across all channel densities.
- DTMF decoding and tone recognition for enhanced performance.
- Voice quality enhancements including music protection, acoustic echo control, and adaptive noise reduction.
- No CPU load impacts due to echo cancellation integration.
- Compact design, requiring no additional slot for echo cancellation hardware.
- Compatible with Asterisk, FreeSwitch, Yate, and many other open source and proprietary PBX, IVR, and VoIP gateway applications.