[asterisk-users] POTS supervision with DAHDI in 1.4 releases

[Tzafrir Cohen]

On Thu, Aug 27, 2009 at 10:14:25AM -0500, Danny Nicholas wrote:
> Greetings,
> 
>                This may be a dumb question, but here goes.  When I was on
> 1.4.21.2 using Zaptel, I had (at least as far as I could tell) access to
> line supervision on my POTS lines using a TDM400P/TDM410P.   Since upgrading
> to the DAHDI branches of 1.4 (SVN and 1.4.26.1), I've only been able to
> duplicate the success of the 1.4.21 functionality once.   To test what I'm
> talking about, copy this call.file to your  /var/spool/asterisk/outgoing,
> changing 5551212 to the number you want to call - 
> 
> Channel: DAHDI/1/ww5551212
> 
> CallerID: SIP/104
> 
> MaxRetries: 1
> 
> WaitTime: 60
> 
> retryTime: 5
> 
> Application: background
> 
> Data: demo-instruct
> 
>  
> 
> In my shop, I lose about 10-15 seconds of the message waiting on a TELCO
> connection (if there is no answer, Asterisk just plays the message and hangs
> up).    I'd be happy to do this with AMI instead of a call file, but if
> Asterisk doesn't know if the line has actually been answered, it makes no
> difference.

Has this actually ever worked?

Do you use the same zapata.conf / chan_dahdi.conf ? Do you have
'answeronpolarityswitch = yes' ?

To avoid confusion, consider making one a symlink to the other for the
time of testing.

-- 
               Tzafrir Cohen
icq#16849755              jabber:tzafrir.cohen at xorcom.com
+972-50-7952406           mailto:tzafrir.cohen at xorcom.com
http://www.xorcom.com  iax:guest at local.xorcom.com/tzafrir