[Asterisk-Users] CT1 and callerid / DNIS

[Brian West]

Yep thats what I hear also... grrr I hate SBC!

bkw

On Fri, 26 Dec 2003, Stephen J. Wilcox wrote:

> Sorry I read the last reply and not your question... my understanding of CT1 is
> that as there is no inband signalling you do not have any control over outbound
> settings such as CLI, and the telco can either set CLI for you or withhold it, I
> believe this is only available to all channels [ie you cant give each channel
> their own settings]
>
> Steve
>
> On Fri, 26 Dec 2003, Brian West wrote:
>
> > I understand PRI can do that but CT1 was my question.  CT1 != PRI
> >
> > bkw
> >
> > On Fri, 26 Dec 2003, Stephen J. Wilcox wrote:
> >
> > > > > Can you set outbound callerid on a channelized T1?
> > > >
> > > > >DTMF passed before the call. It is unlikely though that you will find
> > > > >someone interested in doing that though. It is easier/cheaper to drop a
> > > > >PRI into somewhere and then outbound caller ID isn't kludgey with DTMF.
> > > >
> > > > The service you might be referring to is Dialed Number Identification Service
> > > > (DNIS) that is put on T1's for inbound 800 and 900 lines.  This is an inband
> > > > delivery of the last 4-digits of a dialed number (800/900) that is passed into
> > > > the PBX from the SP for callcenter or other routing.  Does Asterisk support
> > > > this?
> > >
> > > Perhaps I'm not understanding the question but you can arbitrarily set the
> > > inbound/outbound DNIS and CLI (inbound=outbound, just a matter of orientation).
> > > The 4 digit DDI thing is a limit in some protocols (DASS) but I'm assuming we
> > > are talking about q931 ISDN here? in which case the strings can be quite long..
> > > Theres a whole bunch of other flags that you typically dont get access to unless
> > > you're the network operator, its also common practice (here in the UK) for the
> > > telco to override your CLI on your outbound calls either to withhold it or to
> > > the main number of the PRI altho it is possible for them to allow you to set it
> > > from your side, either to a limited set of values (your pstn numbers) or if
> > > theyre really generous any number.
> > >
> > > Steve
> > >
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