[asterisk-users] OT - In which countries are ISDN subaddressesused ?

[Olivier]

2009/9/29 Alec Davis <sivad.a at paradise.net.nz>

> When I say no reliable internet, some days it's good, others it's not, so
> to
> try to push a call over an IAX trunk is going to fail.
>
> For the choice of providers, when it comes to a business with branches
> around the country (NZ is small enough) we'd choose one provider.
>
> Subaddress is not limited to PRI, it's also available on BRI lines.
>
> We have 2 PRI connected sites and 1 BRI ISDN site, all 3 with asterisk, and
> non overlapping extension dial plans.
> SITE A: 8500-8599
> SITE B: 8800-8899
> SITE C: 8300-8399
>
> The flow goes something like this:
>        Site A:
>        8501 dials 8801
>        dialplan sets CallingSubaddr to 8501
>        dialplan calls SITE B's main number (perhaps 09 1234567) with
> CalledSubaddr set to 8801.
>
>        Site B:
>        the main number (09 1234567) is processed by asterisk
>        dialplan sees that CallingSubaddr is set to 8501, so sets CallerId
> to 8501
>        dialplan sees that CalledSubaddr was set to 8801 so dials 8801.
>
> Regarding POTS it will not work, but some ISDN PABX's have the dialling
> concept of dialling a '*' as the separator between Number and SubAddress
> and
> '#' as end of dialling.
>

Looking at thread back, I wondered if this Subaddress feature :
A- either must be specifically allowed and actived by your Telco
B- or is an ISDN requirement and you don't need to order anything to your
provider.

In case A, how does the activation and recurrent fees compare to DID costs ?

Cheers

>
> Alec Davis
>
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