Garth,

this is my sip-configuration for a fax machine at a AT386
; SIP Accounts Analog devices like Faxmachines
[analogdefaults](!)
 type=friend
 host=dynamic
 dtmfmode=info
 disallow=all
 allow=gsm
 allow=alaw
 allow=ulaw
[222](analogdefaults)
 context=sip-ol
 callerid="Fax" <222>
 username=222
 secret=123
;

The ATA adapter itself is configured as follows:
Fax Mode:         (x) T.38 (Auto Detect)    Pass-Through

so, I don't even have configured Pass-Through

Bernd

Garth van Sittert wrote:
I am using alaw and I have already enabled the pass through. Does alaw and ulaw work?
I can fax out, but not receive faxes.

Garth



Johann Steinwendtner wrote:
Enable pass thru fax mode on the HT486, or enable ulaw in your SIP config.

Hans

Garth van Sittert schrieb:
Hi All

Is there any special configuration needed to send and receive faxes on an ATA device? I am using G711.a with a Grandstream Handytone 486. I can send faxes from a fax machine on the ATA, but receiving doesn't work. I get the fax signal, but it just doesn't continue. The LAN is used purely for VoIP traffic.

Garth


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