[asterisk-users] leading ghost 0

[Alex Kauffmann]

On 11/20/2012 8:03 AM, gincantalupo wrote:
> Hi Leandro,
>
> I'm sure nobody has added something... tried prilocaldialplan and
> pridialplan but nothing changed.
> Question: if pridialplan or prilocaldialplan would work, should I see
> the 0 inside PRI frame with intense debug or it is hidden?
>
> Yes...the technician did it...there is only one cable.
>
> Maybe it is the socket circuitry that has something wrong but I do not
> know ho to check.
>
> Asap I'll be on site I'll do more testing.
>
> Thank you
>
> Giorgio
>
> On 11/20/2012 01:13 PM, Leandro Dardini wrote:
>> 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 <gincantalupo at fgasoftware.com
>> <mailto:gincantalupo at 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 <gincantalupo at fgasoftware.com
>>>     <mailto:gincantalupo at 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
>>>
>>>
>>>     --

The prilocaldialplan parameter is for inbound so you would have seen no 
changes.  Did you try:

pridialplan=unknown

Did you restart dahdi and asterisk after the changes?

Alex