[Asterisk-Dev] Answering Machine detection

[Matt Florell]

Answering Machine detection is very CPU intensive in Asterisk and will very 
much limit your capacity per server if you implement it. This is because 
unlike expensive Dialogic boards, Digium cards do not have an array of 
on-board DSPs to handle the signal processing needed to accomplish good 
Answering Machine detection.

What percentage of Answering Machine detection are you trying to achieve?

How much delay time is acceptable to you? Dialogic systems range from 1-3 
seconds of delay while they process the signal to determine whether it 
thinks there is a person on the other end.

How many Lines do you think you are going to be able to have dialing 
outbound with Answering Machine detection active?

What kind of lines(trunks) will you be using this with? (T1/E1s, SIP, 
IAX...)

What predictive dialing software are you planning on using on Asterisk?

MATT---

On 9/9/05, Nitin Joshi <nitin_joshi at iicindia.com> wrote:
> 
> Hi guys,
> Can anyone help me Answering machine detection using Asterisk. I have 
> already tried the *"Background"* application but I want something more 
> reliable -- like the PAMD supported by Dialogic boards. Is PAMD supported on 
> Digium or Sangoma hardware? If yes , how can it be used through Asterisk?
> We want to implement a Predictive Dialer based on Asterisk PBX so its 
> really important to have a very accurate Answering Machine detection system.
> 
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