[asterisk-users] Problem with Free Fax For Asterisk

[Trevor Hammonds]

Kevin P. Fleming <kpfleming at digium.com> wrote:

> Trevor Hammonds wrote:
>
> > New development:  I've assigned an external DID to the fax extension,
> > and fax calls come in fine, with a strange burst of noise about one
> > second into the preamble.  However, I am still unable to transfer an
> > inbound call from another DID to the fax extension.
>
> OK, so transfers are involved; that could have some effect on the audio
> path configuration, especially if transcoding was in use for the voice
> call before it was transferred.
>

It was all G.711u (ulaw) from the SIP provider to the phone.  It looks as
though Asterisk is having a problem converting the fax (SLIN) to ulaw, for
some reason.
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