Re: Can't send Fax but can Receive

FM <[email protected]> Tue, 10 Oct 2017 19:06:17 +0100
Newsgroups gmane.comp.telephony.fax.hylafax.user
Message-ID <CABWyEaXj8eufBWauLOV3dusptU64gyxmy6c7AkSe1FHPdN9d_w@mail.gmail.com>
Hi!

The ISP told me to set the fax to 9600bps and disable ECM.

How can I achieve this with hylafax?

Thank you!!

2017-10-05 17:42 GMT+01:00 Lee Howard <[email protected]>:

> On 10/05/2017 05:25 AM, FM wrote:
>
>> My ISP is at the same time My VOIP provider. I use a sip trunk for voice
>> + fax. I use ullaw and allaw as codecs.
>>
>> The strange thing is, some months ago I was able to send fax with no
>> problem.
>>
>
> That is not strange at all.  VoIP jitter is a variable depending on so
> many things.  So, that it was better before and is worse now is not unusual
> for VoIP.  Chances are that in a week or two or a day or two it will be
> even worse or better.
>
> By the way, if I send fax to a number that also is a virtual fax with
>> hylafax + iax2 extension it Never fails.
>>
>
> So, that tells you that the call audio quality on that call path is better
> than the others.  Still, it doesn't really help you resolve the problem
> with the other calls.
>
> With this info, is there anything I could test to solve the problem?
>>
>
> No. There is no way for you to solve the problem directly.  As I already
> said before, you will have to work with your service provider to remedy the
> problem.  (And, even then, they may have only a limited control on the
> factors involved.)
>
> Thanks,
>
> Lee.
>
>