Is your network/firewall configuration permitting the ports for UDPTL,
runn the command: udptl show config
UDPTL Global options
--------------------
udptlstart: 4000
udptlend: 4999
udptlfecentries: 3
udptlfecspan: 3
use_even_ports: No
udptlchecksums: Yes
In your sip configuration for your 'mytrunk' peer have you set
applicable options e.g.:
t38pt_udptl=yes,redundancy,maxdatagram=400
In your extensions.conf you could and probably should set the following
option prior to dialing the IAX channel, this is to enable the T.38
gateway feature of Asterisk 11:
Set(FAXOPT(gateway)=yes)
I have it working in my installation however I have incoming voice calls
too hence I use 'faxdetect' to direct the call to the 'fax' extension.
Cheers,
Larry.
On 12/11/2016 5:24 AM, tux john wrote:
hi. i am using asterisk 11.24.1 in my raspberry. i do have a sip trunk
with a provider with g711a. I am trying to setup a fax server by
following the guide in http://the-asterisk-book.com/1.6/faxserver.html.
i do live in Greece and the number is 00302112152130
the problem is that i am getting the following error and i am stuck:
== Using SIP RTP TOS bits 184
== Using SIP RTP CoS mark 5
-- Executing [00302112152130@fax-in:1]
Dial("SIP/mytrunk-00000001", "IAX2/iaxmodem") in new stack
-- Called IAX2/iaxmodem
-- Hungup 'IAX2/iaxmodem-3818'
== Everyone is busy/congested at this time (1:0/0/1)
-- Auto fallthrough, channel 'SIP/mytrunk-00000001' status is
'CHANUNAVAIL'
RasPBX*CLI>
the extensions.conf has
[fax-in]
exten => 00302112152130,1,Dial(IAX2/iaxmodem)
any ideas, please?
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