asterisk users - Jun 2006 - Using Asterisk to better detect hangups when using ATA'S or Analog Gateways'

I wanted to get everyone's opinion on an issue I am having. 

 

I am currently using linksys PAP2NA ATA adapters to terminate analog calls
from my auto dialer to the voip termination co. The problem I have is when I
call the PSTN everything goes fine until the person being called hangs up
the phone. 

 

Once they hang up on the PSTN side it takes almost 15-20 Seconds for the ata
to see the hangup and properly disconnect the call. 

 

The big problem with this is that I make less calls then expected because
the avg length of call goes up and secondly I pay for 10 - 20 seconds of
silence while the ata waits to see the hangup. 

 

I wanted to know if asterisk would help do a better job detecting the hangup
for me and send the signal to the ata or gateway I am using. This week or
the next I will be getting an Audiocodes MP-124 analog to voip gateway and I
would like to fix this problem before then. 

 

Thanks for any help

 

Mark Adams 

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