[asterisk-users] dahdi-channels.conf for Digium TDM2400

[Alex Saavedra]

Gerald,

Thank you for the explanation. Glad I asked...

Alex Saavedra

On Wed, Dec 22, 2010 at 12:40 PM, Gerald A <geraldablists at gmail.com> wrote:

> Hi,
>
> On Wed, Dec 22, 2010 at 9:49 AM, Alex Saavedra <
> alex at masterline-logistics.com> wrote:
>
>>
>> I have noticed thar our dahdi-channels.conf has some repeating directives,
>> for instance for channel 2 (FXO) we have these settings:
>>
>> ;;; line="2 WCTDM/0/1 FXSKS"
>> signalling=fxs_ks
>> callerid=asreceived
>> group=0
>> context=from-pstn
>> channel => 2
>> callerid=
>> group=
>> context=default
>>
>>
>> As you can see, a few directives are repeated (callerid, group, context).
>> This was generated by DAHDI tools, and since it's working I didn't want to
>> change it. Is it safe to remove them?
>>
>
> Short Answer: NO!!
>
> Longer Answer: The settings all apply to channels, which are defined by the
> "channel => 2" directive. If I'm remembering correctly, the channel is "set"
> at the end of the Stanza, not at the beginning. So, your blank callerid and
> group would apply to your next channel directive (3?). Now, I remember
> reading there
> is a way to flip the channel definition bit ("channel => XX") to the top of
> the stanza, but can't recall. Now, if in between two channel definitions you
> have repetition, it might be ok to trim things up, as long as it has the
> right information -- the last setting is the effective one. And the bit that
> starts ";;;" is a comment, which is
> actually ignored by asterisk.
>
> Hope this helps,
> Gerald.
>
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