[asterisk-dev] Enhancing/Tweaking AMD

Matt Florell astmattf at gmail.com
Sat May 10 09:44:25 CDT 2008


What version of Asterisk are you using?

We have noticed problems with the version of waitforsilence in
Asterisk 1.2 and we use this version that was posted on the bug
tracker a while ago:


This helps with that portion of the call. As for AMD, we typically use
this string:


On 5/10/08, Chris <asterisk at ontimetelecom.com> wrote:
> Out of curiosity, has anyone made enhancements or modifications to the
>  AMD portion of their Asterisk setup?  We currently run a service that
>  places calls for businesses and are running into issues where when their
>  users answer the phone, they may have to wait 8, 10, 20 seconds before
>  the message begins playing.  It obviously varies from phone to phone and
>  we realize there's no way to get it 100% for everyone.  Perhaps the best
>  way to handle it is to have a rapid detect version and a more accurate
>  detect version and give each business the choice.  We were wondering
>  what the best settings for such a setup would be.  Currently, we run AMD
>  with the following: 3500|1500|300|5000|120|50|5|256 followed by a
>  waitforsilence with the following: 2000|1.  We are open to any
>  suggestions or advice on this one as we've tried tweaking the values and
>  all that seems to accomplish is an improvement on one phone and a
>  backstep on another.  Thanks!!
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