[Asterisk-Users] In-band disconnect problem (legacy PBX) - asterisk doesn't hear t he touchtone?

[Andrew Kohlsmith]

On February 7, 2005 05:32 pm, David Brodbeck wrote:
> The legacy PBX I'm working with does in-band disconnect notification -- it
> sends a * touchtone when the line is hung up.  I've been trying to get this
> to work with Asterisk.  I added a * extension to my menu context that plays
> "Goodbye" and hangs up.  This works fine if I manually press *, but it
> never triggers when I hang up and the PBX sends it.  I've plugged in an
> analog phone on a splitter and verified that the tone is being sent after I
> hang up.  Any ideas why Asterisk isn't hearing it?

Is the channel physically being hung up before the * tone is heard?  

-A.