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[anthony.minessale at g...]

You can't.

Why would you need that? Are you trying to forward inbound calls from the pstn to an ivr without answering them?
That could get you in trouble FYI.


On Wed, Jan 21, 2009 at 7:40 AM, shehzad p <pmhshz@gmail.com (pmhshz@gmail.com)> wrote:

[pmhshz at gmail.com]

Thanks Anthony,

There are some toll-free numbers I need to configure such that, originator
does not need to charge to its users, even though they are answered on
terminator side.




Anthony Minessale-2 wrote:

[dave at 3c.co.uk]

There's a whole bunch of reasons why you might not want to answer an inbound call:
- intercept messages (e.g. "the cellphone you've called is switched off")
- cost reduction on 1-800 calls, although you won't get a forward audio path from the
caller until you do answer it
- in one case, a company for whom I'd provided some IVR (back in the 1990s) had
someone mail out some tens of thousands of cards with "You owe us X - you must call
this (900) number now to avoid court proceedings" on; we were able to not answer the
inbound leg of the call, but still play a recorded message to the caller informing them
that they could just ignore it. Had we had to answer the inbound leg, they'd have been
charged.

--Dave

[anthony.minessale at g...]

Daivd,

I think you missed part of his question.

You can easily choose not to answer an inbound call in FS by never explicitly answering it.
you can call pre_answer instead or if you send the call to an app that requires media it's pre_answered automatically.

pre_answer in FS terms is early media.

You can run an ivr for instance completely in early_media (assuming the telco allows dtmf during early media)

He asked if we can *bridge* the call outward to another endpoint and not pass the answer across when the far end answers.

The bridge application is designed to bridge calls and the standard behavior when forwarding a call would be
once the far end answers, pass the answer indication down the line.

We do not currently have provision for supressing the answer as I stated. It would require a patch.





On Thu, Jan 22, 2009 at 6:44 AM, David Knell <dave@3c.co.uk (dave@3c.co.uk)> wrote:

[pmhshz at gmail.com]

Hi Anthony,

Where I can apply such patch in code to suppress answer.

Thanks for response.


Anthony Minessale-2 wrote:

[anthony.minessale at g...]

off the top of my head I would say in switch_ivr_originate.c and switch_ivr_bridge.c

On Sat, Jan 24, 2009 at 5:59 AM, shehzad p <pmhshz@gmail.com (pmhshz@gmail.com)> wrote: