Some more info:
TALKOFF is the wrong recognition of DTMF component in human voice as
true DTMF signal. This is an unavoidable factor since human voice always
contain valid DTMF combination. Fortunately, presence of these valid
DTMF components are unsteady. Unlike real DTMF generated from a
touch-tone keyboard, these 'human' DTMF cannot maintain on a constant
combination. So they can be isolated by DELAY discrimination. If a
decoded DTMF signal can stay on constantly for certain duration which
exceed those normal period experienced in human voice, then it can be
identified as a real DTMF command.
taken from:
http://www.qsl.net/ve3rgw/dtmfsql.html
Zoa wrote:
Have a look at this :
http://www.dslreports.com/forum/remark,9151528
If anybody would have such a mitel or bellcore dtmf talkoff wav file,
i have a very big email box you can drop it in :p
Zoa
Sean Garland wrote:
I have a very annoying problem that we hear on our end, but the other
party doesn't hear. There are random beeps and echo type noises that
occur. They are present during voicemails, and present on my end during
calls. Is anyone experiencing the same deal? I have asked this a
number of ways on the list, and never get a response...
Thank you.
Sean Garland
Mount Shasta, CA
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