[Asterisk-Users] ZAP channell Dial timeout

[Tim Robinson]

there IS answer supervision if you use a PRI or BRI - dunno about some 
of the CAS options used in the US though.  You don't say what type of 
Zap channel you are using.  If you are referring to an analogue call on 
an X100P or similar, you will not get answer supervision unless  you can 
use a patch that went in recently to look for line polarity reversal on 
a nalogue exchange lines.  This is used on some analogue exchange lines 
to provide answer supervision.  As Mark tells us that polarity reversal 
detection is not available on the X100P I assume this feature wll only 
work on the new 4-port analogue cards.  Can someone confirm this?

However, you can use call progress detection by setting callprogress=yes 
in your zaptel.conf file.  I am still in the initial stages of 
experimentation t isee if this presents a viable solution.

If you don't get reliable results, then you have the c option you can 
play with. 

Dial(Zap/g1c/xxxxxxx,20)

will not send answer supervision to the calling party until the called 
party presses #.  This is a great feature but at the moment., the called 
party hears silence til they press the # key.  There is a request in 
bugs.digium.com to add the playing of a message to the called party 
along the lines of 'please press # to accept this incoming call...'
http://bugs.digium.com/bug_view_page.php?bug_id=0002356 refers.  The 
more people that add comments and suggestions to thos

Rgds
Tim Robinson
Basingstoke, UK


Payam Shabanian wrote:

>because of lack of answer supervision in *.
>this is my problem too.
>- shabanip
>
>On Sun, 05 Sep 2004 12:49:40 -0500, Gary White (Network Administrator)
><admin at netpathway.com> wrote:
>  
>
>>Am I doing something wrong? I can't get this dial command to timeout....
>>
>>Dial(Zap/g1/xxxxxxx,20)
>>
>>--
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