That is a real mistery! I like a lots these cases when all seems not
working despite all being correctly configured, but you know first or later
you'll find the answer.

>From your website, it seems you are selling/renting PBX based on asterisk,
so you can be sure nobody has messed with the asterisk or dahdi source code
adding a zero... I am sure you have already tried with a brand new server.

Have you checked the pridialplan and prilocaldialplan setting?

If I was in your shoes, I'll get another server, with a PRI configured as
master and hook it at your PBX to really check if the zero is sent.

Does the technician try to make phone calls from the same network cable you
are using?

Leandro


2012/11/20 gincantalupo <gincantal...@fgasoftware.com>

> **
> Hi Leandro,
>
> thanks for your answer.
>
> I already have tried those parameters but without any positive result.
>
> The telco technician has tried the line with its machine and it
> worked...remote telco technicians say they get a leading zero...
> I'm thinking there is something strange in the middle that adds the zero
> but do not know what it is.
> Strange is the fact that you can call some numbers with or without the
> prefix zero...
> Moreover we had no problem with the previous telco (fastweb).
>
> So we can only call PTSN numbers....not mobile phones.
>
> Giorgio
>
>
> On 11/20/2012 11:12 AM, Leandro Dardini wrote:
>
> 2012/11/20 gincantalupo <gincantal...@fgasoftware.com>
>
>> Hi all,
>>
>> I have problems dialling out because my new telco (the previous gave no
>> problems) tells me my PBX adds a leading 0 and that's why I cannot dial out
>> (but I can receive calls).
>>
>> I make a small extensions.conf as a test:
>>
>> exten => 666,1,Dial(DAHDI/g1/339xxxxxx)
>> but cannot dial out
>>
>> Curious thing is that
>> exten => 666,1,Dial(DAHDI/g1/0233xxxxxx)
>> and
>> exten => 666,1,Dial(DAHDI/g1/233xxxxxx)
>> call the same number!!!
>>
>> Line in use is a PRI.
>>
>> My Asterisk version is 1.4.26.2
>> dahdi version: 2.2.0.2
>> wanpipe-3.4.6
>>
>> I checked with intense pri debug and see no 0 inside frames....
>>
>> How can I really be SURE Asterisk is not adding some leading zero?
>>
>> Thank you.
>>
>> Giorgio.
>>
>>
>  I have never heard of a way to automatically add digits when using PRI,
> however can you check your chan_dahdi.conf about the following lines:
>
>  internationalprefix =
> nationalprefix =
> localprefix =
>
>  If presents, try messing with them. If you are using the PRI in Italy,
> every provider has PRI configured in its own way, some time even the same
> provider is configuring PRI lines in multiple times, but often the problems
> are on receiving the calls (like calls with and without the area code, with
> or without the leading zero, etc. etc.)
>
>  Leandro
>
>
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