[Asterisk-Users] Ringing Delay

[Eric Wieling]

Chances are it's waiting to get the caller ID info (sent between the
first and the second ring)

On Wed, 2004-03-03 at 12:01, WipeOut wrote:
> Brian Mulligan wrote:
> 
> >Sorry if this is a daft question but when a PSTN call comes in on my
> >X100P the console shows the following;
> >
> >NOTICE[1217602880]: File chan_zap.c, Line 4456 (ss_thread): Got event 2
> >(Ring/Answered)...
> >NOTICE[1217602880]: File chan_zap.c, Line 4456 (ss_thread): Got event 2
> >(Ring/Answered)...
> >NOTICE[1217602880]: File chan_zap.c, Line 4456 (ss_thread): Got event 2
> >(Ring/Answered)...
> >NOTICE[1217602880]: File chan_zap.c, Line 4456 (ss_thread): Got event 2
> >(Ring/Answered)...
> >    -- Executing Dial("Zap/1-1", "Zap/2") in new stack
> >    -- Called 2
> >    -- Zap/2-1 is ringing
> >    -- Zap/2-1 is ringing
> >WARNING[1217602880]: File chan_zap.c, Line 2979 (zt_handle_event):
> >Didn't finish Caller-ID spill.  Cancelling.    -- Zap/2-1 is ringing
> >    -- Zap/2-1 answered Zap/1-1
> >    -- Attempting native bridge of Zap/1-1 and Zap/2-1
> >    -- Hungup 'Zap/2-1'
> >  == Spawn extension (incoming, s, 1) exited non-zero on 'Zap/1-1'
> >    -- Hungup 'Zap/1-1'
> >
> >
> >AS indicated, the call is switched to the context [incoming] which is
> >configured as follows;
> >
> >[incoming]
> >exten=> s,1,Dial,Zap/2
> >
> >The extension rings but not until the incoming line has rung three
> >times. If I hang-up the external line before the extension is answered
> >then the extension continues to ring three more times. Clearly, if I
> >pick up the extension during this time then nobody is there! 
> >
> >I would like the extension to ring immediately when the call comes in.
> >Despite my best efforts I cannot find a configuration element which
> >addresses it. Could it be my hardware just being too slow?
> >
> >Thanks
> >Brian
> >
> >  
> >
> Brian,
> 
> AFAIK the delay is caused by the way the X100P detects ringing.. If you 
> are using digital lines (ISDN) then there is a signal to tell the device 
> connected to the line that it is ringing but with an analog line this is 
> not the case..
> 
> So the X100P basically looks for the "swings" on the line that indicate 
> that it is ringing, it goes through about 3 of them before it answers to 
> avoid "phantom" calls which used to happen a lot and were very 
> irritating especially in the middle of the night.. So what you are 
> experiencing is normal..
> 
> Later..
> 
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-- 
For Asterisk PBX related documentation go to
http://www.digium.com/index.php?menu=documentation and look at the
"Unofficial Links" section also see
http://www.voip-info.org/wiki-Asterisk also see my site at
http://www.fnords.org/~eric/asterisk/

BTEL Consulting