Hi Alex I got ptlib, opan and t38modem compile and installed. So far so good. Is there a wiki entry you have made with details of your FS + T38modem + Hylafax set-up, configuration files etc. I was able to dig up some stuff from your mails in the list but some wiki entry will help me and others a lot. My team member has put up a Wiki entry at http://wiki.freeswitch.org/wiki/T38modem It will help us a lot if you could do a quick edit and copy/paste of your config. Many many thanks! regards, Anita On Fri, May 18, 2012 at 2:45 PM, Alex Crow <acrow@integrafin.co.uk> wrote:
On 18/05/12 09:34, Anita Hall wrote:
Hi Alex
Many thanks for the reply.
Do I need t38modem if I am already receiving the Fax calls over E1 via a Sangoma Card in my FS machine ? I read on the list that Hylafax takes audio and the only reason you needed t38modem was because your FS was getting calls over SIP.
Anita,
Yes, you do if you want to use Hylafax and need inbound faxing, because it needs a modem device. T38Modem provides that (eg /dev/ttyT38x).
This is my topology ~~~~~~~~~ Hylafax <-------->|______| <-------> FreeSWITCH <---------> E1
Pretty much the same as mine in effect.
So you would need
Hylafax <-------->T38Modem<-------> FreeSWITCH/t38gateway <---------> E1
So hylafax speaks "Fax data" to T38modem, which speaks T38 to FreeSwitch, which gateways to/from audio over the E1. You may need to change my configs a bit to get that last bit working, maybe not.
~~~~~~~~~
Since Hylafax is already taking audio calls, may be I do not need the t38modem ? If not, can Hylafax take audio calls directly from FreeSWITCH
?
Not unless the inbuilt modem can be made to be an endpoint for calls from coming in from the E1, which I understand at present it cannot. This is because Hylafax does not send and receive audio itself, it talks fax control commands to modems and sends and receives data over a serial port.
This is your topology (taken from your mails in the list) ~~~~~~~~~
Hylafax<---Audio---->t38modem<---T38--->Freeswitch/t38gateway<----G.711/SIP--->Mitel
3300(T38 unsupported, grr)<---ISDN30---->PSTN ~~~~~~~~~
Actually the Mitel does support T38 with a license. The thing I'm not sure about is how good its gatewaying to ISDN is.
Cheers
Alex
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