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Description
A101 Single Span T1/E1/J1 PCI Express 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
