[asterisk-users] Asterisk to asterisk t.38

[Amit Nepal]

Hi Bryant,
    The 1.4 box has two interfaces one with 202 ip and the other with 
172 ip , the audio code has 172 ip and the ast 1.6 has only 172 ip. Any 
ideas ? Both the trunks have t.38 enabled on it. And the way we use fax 
is fax machine connected to ata which supports t.38 in both the ends.

Thank You
Amit Nepal
Systems Administrator
Phoenix Internet
Phone: 602-385-0731
        602-234-0917#112
http://www.phoenixinternet.net


On 1/20/2011 4:11 PM, Bryant Zimmerman wrote:
> Amit
>
> Make sure that the trunk you have between the two servers has the t.38 
> enabled on it. Do you have any NAT between the two servers or are they 
> on the same lan. We do the t.38 faxing between 1.4 and 1.6 asterisk 
> boxes all of the time. Our audio codes gateway dumps into a 1.4 box 
> and all faxes calls are then sent to either 1.6.x or 1.8.x boxes and 
> then on to the final ata.
>
> Thanks
>
> Bryant Zimmerman (ZK Tech Inc.)
> 616-855-1030 Ext. 2003
>
>
> ------------------------------------------------------------------------
> *From*: "Amit Nepal" <amit.n at phoenixinternet.net>
> *Sent*: Thursday, January 20, 2011 4:27 PM
> *To*: asterisk-users at lists.digium.com
> *Subject*: Re: [asterisk-users] Asterisk to asterisk t.38
>
> Hi,
> I have an Audio code gateway between two asterisk servers. The
> audio code has PRI connected for PSTN. I can send faxes and receive
> faxes in ast 1.4 . Also I can send faxes for ast 1.6 to outside (PSTN)
> and receive faxes. The only problem I am having is sending/receiving
> between ast 1.4 and ast 1.6.
>
> ATA (T.38 capable) > AST 1.6 >>>>>>>>>>AUDIO CODE>>>>>>>>>>AST
> 1.4>>>>>>ATA (t.38 Capable)
>
> Thank You
> Amit Nepal
>
> On 1/20/2011 1:56 PM, David Backeberg wrote:
> > On Thu, Jan 20, 2011 at 3:14 PM, Amit 
> Nepal<amit.n at phoenixinternet.net> wrote:
> >> I have a setup of asterisk 1.6 in one box and asteirsk 1.4 in 
> another. I can
> >> send recieve faxes from both boxes fine to and from pstn. But the faxing
> >> between 1.6 and 1.4 extensions does fail. Any ideas please ?
> > You don't say what's between the boxes as the medium over which the
> > faxes are going.
> >
> > Try a fax between them without t.38 and see if it goes through. It
> > might be a connection that is not reliable for any kind of faxing.
> >
> > That would not be an asterisk problem, it would be a faxing over a bad
> > connection problem.
> >
> > --
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