http://www.lightreading.com/document.asp?doc_id=75224&site=supercomm&WT.svl=wire1_2
Digium Launches Echo Cancellation Cards
JUNE 07, 2005
HUNTSVILLE, Ala. and CHICAGO -- Digium Inc., the creator of open source
telephony today announced the availability of two new echo cancellation cards,
the TE406P and the TE411P for Asterisk, the industry¿s first and most widely
used open source PBX. Asterisk offers a strategic, highly cost-effective
approach to voice and data transport over TDM, switched, and Ethernet
architectures.
The TE406P (for use with a 5.0-volt PCI slot) and the TE411P (for use with a
3.3-volt PCI slot) support both E1 and T1 environments and are selectable on a
per-card or per-port basis. The TE406P and the TE411P will support ultimate
density and performance with echo cancellation for four full T1 (96 channels)
or E1 (124 channels) and improves voice quality in situations where software
echo cancellation is not sufficient, is not done at the CO, or where CPU
utilization must be minimized. The cards are designed to perform in the most
difficult of environments while providing capacity/length trade-off by
supporting 16ms of echo cancellation over 128 channels, 32ms over 64 channels,
or 64ms over 32 channels.
"The combination of Digium hardware and Asterisk software enable numerous
combinations and configurations," said Mark Spencer, president of Digium and
the creator of Asterisk. "Our new cards will scale better while improving the
system's density and voice clarity."
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