I've been trying this for a while and I have been unable to get a reliable connection betwen two Zaptel FXS interfaces, so the bridging does afect data transfer.
Anybody got some tunning tips to get this to work ?
I'm using a dual PIII with a ServerWorks Chipset, two TDM cards (8xFXS) and a Fritz Capi to connect to my telecom provider.
I can send faxes with some success, but receiving rate of success is less than 30%.
Fax information for Asterisk is difficult to come by is everybody using spandsp's way ?
Thx Pedro Caria
On 15/fev/2005, at 15:05, Rich Adamson wrote:
On Tue, February 15, 2005 7:48 am, Rich Adamson said:2) simply switching a fax call through * to a tip/ring interface of some sort that has an attached traditional fax machine.
Does the codec issue with #2 still apply if the incoming fax call is on a
Zaptel FXO interface? Is the codec used when connecting two channels on
the same zaptel card or does the "native bridg[ing]" bypass that?
Funny that you should ask. I just finished testing it using the faxdetect=incoming method, redirecting the call to a Cisco ata186. The incoming call arrived on a TDM fxo port. Received the fax header, but the remainder of the page was blank. The sender received a message indicating a failure.
Best guess... the tdm driver problem is impacting the ability to send the fax tones reliably even with g711. Its very likely to be the interrupt latency and/or pci bus problem on this particular system.
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