[Asterisk-Users] ATA's and faxing

[Garth van Sittert]

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

[Johann Steinwendtner]

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

Hans

Post by Garth van Sittert
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

[Garth van Sittert]

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

Post by Johann Steinwendtner
Enable pass thru fax mode on the HT486, or enable ulaw in your SIP config.
Hans

Post by Garth van Sittert
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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[Kib Eki]

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

Post by Garth van Sittert
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

Post by Johann Steinwendtner
Enable pass thru fax mode on the HT486, or enable ulaw in your SIP config.
Hans

Post by Garth van Sittert
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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[Johann Steinwendtner]

ulaw was neccessary when pass through was disabled. What does a sip
debug tell you ?

Hans

Post by Garth van Sittert
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

Post by Johann Steinwendtner
Enable pass thru fax mode on the HT486, or enable ulaw in your SIP config.
Hans

Post by Garth van Sittert
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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Asterisk-Users mailing list
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