[Asterisk-Users] HowTo start DIAL by a sillent training as Wfor modems

[Steve Clark]

f6hqz-m at wanadoo.fr wrote:
> Hello the list, hello Doug,
> 
> Thank you, but I don't see any correct reply in this page.
> I want to have a "silent header" of 1 or 2 seconds between to pick up the
> line and before to start to sned the DTMF numbering, because my RTC provider
> doesn't give the prompt tone or listen the DTMF before this time. 
> If I place a "normal" call, it fails, because the first tones of my Asterisk
> numbering sequence are missed.
> 
> If any idea...
> 
> Best Regards,
> Francois BERGERET,
> France.
> 
> 
> -----Message d'origine-----
> De : asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] De la part de Doug Lytle
> Envoyé : mardi 28 juin 2005 12:25
> À : Asterisk Users Mailing List - Non-Commercial Discussion
> Objet : Re: [Asterisk-Users] HowTo start DIAL by a sillent training as Wfor
> modems
> 
> 
> 
> f6hqz-m at wanadoo.fr wrote:
> 
> 
>>Hi all the list,
>>
>>I am searching how to insert few seconds of silence just before to send 
>>the DTMF sequence via a FXO WildCard X101P to PSTN.
>>
>>I remember that Hayes compatible modems knows a special character "W" 
>>that do a 1 sec pause. Is it possible to do something like this in DIAL 
>>line sequence ?
>>
>> 
>>
> 
> This should help:
> 
> http://www.voip-info.org/tiki-index.php?page=Asterisk+cmd+Dial
> 
> 
> Doug

This worked for me calling into an analog pbx that had an Audiocodes MP105-FXS 
connected to 4 incomming
lines on the pbx.

exten => _2XX,1,Dial(SIP/xxx.xxx.xxx.xxx,30,tD(w${EXTEN}))
 
^^^^^^^^^
HTH,
Steve