[Asterisk-Users] ISDN problem: lacking dialtone

[Thomas Niesel]

Hallo Martin Mielke
On Tue, 21 Sep 2004 14:32:34 +0200 you wrote:

...cut

> 
> so the isdn4linux drivers are correctly loaded. I know, CAPI should do 
> better but I can't compile from the tarball (see my post about it)
> 
> 
> When trying to dial the PSTN using the ISDN interface I get:
> ---
> *CLI>     -- Executing Dial("SIP/mmielke-8c8e", "Modem/g1:8123456789") 
> in new stack
>     -- Called g1:8123456789
> Sep 21 14:20:53 WARNING[229391]: chan_modem_i4l.c:355 i4l_read: Device 
> '/dev/ttyI1' lacking dialtone
>     -- Hungup 'Modem[i4l]/ttyI1'
>   == No one is available to answer at this time
> ---
> 
> ..."lacking dialtone" is false. I just plugged an ISDN-phone to the line
> 
> and tested it works perfectly...

Does the phone had the same MSN?
Is there maybe a PBX needs a leading "Digit" to get outside line?
Try your settings by using minicom first.
There is a good manual from i4l to call yourself via ttyI0/ttyI1 with
minicom.
> 
> So, any ideas? what am I doing wrong this time? ;)
> 
-- 
Tho/\/\as