HW HongKong Hong Kong
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VPMADT032 echo cancellation module is meant to be used with the Digium IP telephony boards; it provides echo cancellation for configurable long "tail" of up to 128 ms (1024 samples) simultaneously for all ports of the board. All IP-PBX Asterisk servers, connected to the telephone network (PSTN) have one common problem, which is "hybrid echo" - echo obtained due to the difference in the load-wire and four-wire telephone circuits. Echo appears as a distorted reflection and a detainee of the caller's voice, who is subscribed to IP-PBX Asterisk while talking to PSTN subscribers.
Babble.net Limited
Babble was originally launched back in early 2004 following the development of the first Babble Softphone. Although initially we only released this to a chosen few, it quickly caught the attention of many others and we realised the potential of this VoIP
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