[Asterisk-Users] SPA-3000 VOIP-PSTN gateway - longdelaybetweenanswering and ringing

Sam Lee sam.lee at super.net.sg
Thu Feb 9 04:14:15 MST 2006


You can even set it to zero. Mine works well when in zero. The line pick up immediately :> 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Chris Stenton
Sent: Thursday, February 09, 2006 6:57 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] SPA-3000 VOIP-PSTN gateway - longdelaybetweenanswering and ringing

What have you set the

PSTN Dialing Delay:

on the PSTN Line tab (logged in as admin advanced) ?

Mine is set to 1 and it works well.

Chris

----- Original Message -----
From: "Anthony Rodgers" <Anthony_Rodgers at dnv.org>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Wednesday, February 08, 2006 9:50 PM
Subject: Re: [Asterisk-Users] SPA-3000 VOIP-PSTN gateway - long delaybetweenanswering and ringing


> Hi Jean-Michel,
>
> We did actually try the 'r' option, but it has no effect, as Asterisk 
> will only supply ringing until the dialed SIP extension answers, which 
> it does immediately. The 4 second delay occurs between when the 
> SPA-3000 answers the SIP call and then places the PSTN one. I believe 
> that the ringing tone is provided by the PSTN at that point.
>
> Regards,
> --
> Anthony Rodgers
> Business Systems Analyst
> District of North Vancouver
> Web: http://www.dnv.org
> RSS Feed: http://www.dnv.org/rss.asp
>
>
> On Feb 8, 2006, at 1:41 PM, Jean-Michel Hiver wrote:
>
>> Anthony Rodgers a écrit :
>>
>> > Greetings,
>> >
>> > We are currently testing a Sipura SPA-3000 as a gateway from our 
>> > Asterisk system to a PSTN line for 911 access. We have a number of 
>> > locations and want to place an SPA-3000 in each, connected to a 
>> > PSTN line that will provide the correct ANI/ALI information to 911 
>> > for
>> each
>> > location.
>> >
>> > It all works great, except for a reasonably significant (4 seconds) 
>> > delay between when the SPA-3000 answers the SIP call from the
>> Asterisk
>> > server (immediately upon dialing, according to the Asterisk CLI) 
>> > and the ringing tone begins (the remote phone begins ringing at 
>> > that same time).
>> >
>> > The delay is enough for users to think that the phone isn't working 
>> > - not what you want for 911!
>> >
>> > Any ideas?
>>
>> You could use the 'r' flag in your Dial() command to simulate a 
>> ringing tone instantly. This is less than ideal though. Have you done 
>> some SIP traces (using ngrep for examples) to look when the SIP 
>> 'ringing' signal is actually being sent?
>>
>> Cheers,
>> Jean-Michel.
>>
>> --
>> Jean-Michel Hiver - http://ykoz.net/
>> Découvrez la Réunion des Technologies IP & Telecom
>> TEL: +262 (0)262 55 03 98 - RCS 434 273 330 SAINT PIERRE
>>
>>
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