[Asterisk-Users] Zaptel dacs / dacs

[Jason Garland]

You can connect two PRI devices together using a T1 crossover cable.


> from the zaptel sample config:
>
> # "dacs"    : The zaptel driver cross connects the channels starting at
> #             the channel number listed at the end, after a colon
> # "dacsrbs" : The zaptel driver cross connects the channels starting at
> #             the channel number listed at the end, after a colon and
> #             also performs the DACSing of RBS bits
>
> dacs=1-24:48
> dacsrbs=1-24:48
>
> I've googled a little and not found much more than this.
>
> The question is:
>
> 1) what exactly does 1-24:48 mean in terms of this function.
>
> If I have two T1 interfaces and I want to literally just 'cross-connect'
> the first to the second (channel 1 to channel 1, 2 to 2.... 24 to 24),
> what
> would the entry look like?
>
> 2) can you cross connect PRI interfaces?
>
> in other words can you use the dacs functionality to insert a digium card
> (on a system running asterisk) in between a pri from a carrier, to a
> legacy
> pbx system?
>
> would you set the signalling as pri in this case (if you can even do
> this),
> or would you set it to something else and just pass the t1 as clear
> channels and ignore the signalling as just another channel with data on
> it.
>
> -Chris
>
>
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