- A101 Single Span T1/E1/J1 PCI Card with Echo Cancellation Hardware
- Supports up to 30 voice calls or 2.048 Mbps of full duplex data throughput over a single T1, E1, or J1 line
- Ring buffer DMA handling for minimum host intervention and guaranteed data integrity on high volume systems
- Supports Robbed Bit Channel Associated Signaling (CAS) and ISDN PRI
- T1/E1 and fractional T1/E1, multiple channel HDLC per line for mixed data/TDM voice applications
- G. 168-2002 echo cancellation in the hardware
- 1024 taps/128ms tail per channel on all channel densities
- DTMF decoding and tone recognition
- Voice quality enhancement: music protection, acoustic echo control, and adaptive noise reduction
- No CPU load as a result of echo cancellation
- Echo cancellation hardware does not increase the physical size of the card and no additional slot is required
- Support for Asterisk, FreeSwitch, and Yate, as well as other open source and proprietary PBX, IVR, and VoIP gateway applications This product ships in approximately 1 days