Hi, changing

faxdetect=cng
and
t38pt_udptl=no

helped making it work.

Thanks


Am 03.02.2014 11:57, schrieb Larry Moore:
On 3/02/2014 3:34 PM, Jakob-Matthias Böttger wrote:
.
.
.

[sipcall.ch]
type=peer
insecure=invite
defaultuser=123456789
fromuser=123456789
fromdomain=voipdomain.com
secret=gueswhat
host=voipdomain.com
qualify=yes
context=from-sip
dtmfmode=rfc2833
callbackextension=123456789


add

directmedia=no
setvar=FAXOPT(gateway)=no

change
insecure=port,invite



[fax-rx]

exten => receive,1,NoOp(**** FAX RECEIVE ****)
exten => receive,n,Set(GLOBAL(FAXCOUNT)=$["${GLOBAL(FAXCOUNT)}" + "1"])
exten => receive,n,Set(FAXCOUNT=${GLOBAL(FAXCOUNT)})

Do you want to keep your received faxes or is it OK to overwrite them the next time asterisk is re-started!?


udptl.conf
[general]
udptlstart=4000
udptlend=4999
udptlfecentries = 3
udptlfecspan = 3
use_even_ports = no


You may want to change

use_even_ports=yes

You will need to restart Asterisk for this change.

Some other suggestion if the above doesn't help are;

faxdetect=cng
t38pt_udptl=no

Larry.



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