[asterisk-users] Does Asterisk support DNIS?

[Matt]

Why would the card care?  This would be something you'd take care of in your
dialplan.

On 2/18/07, Ron Fox <rfox at dlabs.com> wrote:
>
> Arriving late to this discussion, sorry if this has already been mentioned
> but DNIS and ANI can be variable length without confusion if the sender
> uses the "*" DTMF tone as a delimiter. Thus sending *ANI*DNIS* (pronounced
> "Star ANI Star DNIS Star" allows the receiver to identify the two values
> unambiguously and to find the trailing boundary (when the 3rd "*" has been
> received).
>
> We have a Channelized Voice T1 from a long distance provider that is set
> up this way into our non-Asterisk PBX where the provider sends us ANI as
> the full originating phone number and DNIS as the "last 4 digits".  So the
> DTMF string seen by our PBX for someone calling one of our toll-free
> numbers, say 800-123-4567, from a local phone in Hawaii, say 808-555-1313,
> would be "*8085551313*4567*".  The PBX parses this string and uses the
> last 4 digits DNIS to route the call from the T1 trunk group to the proper
> internal extension or hunt group.
>
> Do Asterisk and Digium or Sangoma T1/E1 cards know about delimited ANI and
> DNIS?
>
> --Ron
>
> On Sun, 18 Feb 2007, Eric "ManxPower" Wieling wrote:
>
> > It will do so automatically if it is working.  Asterisk will stuff those
> > digits into ${EXTEN}, therefore you need an exten => _XXX,1,Whatever if
> > you are expecting 3 digits.
> >
> > Until recently we had DID service from our telco on an E&M Wink
> > channelized voice T-1.  The above is what we did.
> >
> > David Ruggles wrote:
> > > Yuan (and Matt),
> > >
> > > Thanks for the reply, I'm sorry I kind of vented, I just got very
> frustrated
> > > with trying to configure Asterisk for what (in a proprietary PBX) is
> > > normally one of the easiest parts of configuration.
> > >
> > > With a wink start T1 the DNIS digits are transmitted in-band. The
> Network
> > > goes off hook, the PBX winks (goes off hook for 200ms) and then the
> network
> > > sends DNIS (and ANI if used) as DTMF tones, after the PBX gets the
> tones it
> > > answers the call (goes off hook). So you would tell the PBX to look
> for x
> > > number of digits and then after getting that number of digits it will
> answer
> > > the call. I have the Sangoma A101 configured for wink start, but I
> can't
> > > find anything that says how to specify the number DNIS digits to
> expect. If
> > > the PBX answers the call instead of just winking, the DTMF tones will
> be
> > > transmitted during the call which is what seems to be happening here.
> > >
> > > For more specific information a good overview of the wink start
> process can
> > > be found here:
> > >
> http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a0080
> > > 1123bb.shtml#topic2a
> > >
> > >
> > > Can anyone tell me how to configure Asterisk to pickup the DNIS digits
> off a
> > > wink start T1?
> > >
> > > Thanks,
> > >
> > > David Ruggles
> > > CCNA MCSE (NT) CNA A+
> > > Network Engineer    Safe Data, Inc.
> > > (910) 285-7200      david at safedatausa.com
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: asterisk-users-bounces at lists.digium.com
> > > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Yuan LIU
> > > Sent: Friday, February 16, 2007 5:57 PM
> > > To: asterisk-users at lists.digium.com
> > > Subject: RE: [asterisk-users] Does Asterisk support DNIS?
> > >
> > > Matt already replied to your other posting of similar content.  I'm
> also a
> > > bit confused.  Do you mean you have observed that Asterisk is brought
> into
> > > the intended context, but start to react to digits in DNIS one after
> > > another?  If so, can you estimate the interval Asterisk stays in each
> > > extension?
> > >
> > > If this is true, it seems to suggest that your provider is sending
> DNIS as a
> > >
> > > DTMF string after Asterisk has answered the call.  Isn't this a bit
> weird?
> > > What does the card's manual say about DNIS (with wink start)?
> > >
> > > Yuan Liu
>
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20070218/74623c18/attachment.htm