On 01/05/2012 01:03 AM, José Pablo Méndez Soto wrote:
Hello,
Trying to set up res_fax_spandsp. Based on
https://wiki.asterisk.org/wiki/display/AST/T.38+Fax+Gateway I wrote this
in my extensions.conf:
exten => 306,1,NoOp(Fax transmission)
same => n,Set(FAXOPT(gateway)=yes)
same => n,Dial(DAHDI/3) ----->FXS port to fax machine
same => n,Hangup()
Call flow Im trying to pull out is as follows:
Zoiper --> Asterisk with TDM410 --> FXS --> Analog fax machine
I am totally lost about the use of this new gateway module in the
dialplan. I think it loads ok:
CLI> fax show capabilities
Registered FAX Technology Modules:
Type : Spandsp
Description : Spandsp FAX Driver
Capabilities : SEND RECEIVE T.38 G.711
Your res_fax_spandsp module was built without gateway support; what
version of Asterisk are you using?
1 registered modules
Also I have the FFA manual, which I couldn't understand. I think FAXOPT
is common to both, but still not sure how to put them together. Where
can I find documentation about configuring the call flow described?
Fax for Asterisk is totally unrelated to T.38 gateway support.
Or some insight will also be appreciated.
Here is my sip peer config:
[105](headquarters) ;zoiper phone
type=friend
secret=
mailbox=105@default
t38pt_udptl = yes
Dahdi:
;FXS Modules
group = 2
signalling = fxo_ks
context = interno
channel = 3-4
faxdetect = both
Finally, a verbose output:
== Using SIP RTP CoS mark 5
-- Executing [606@intern:1] NoOp("SIP/105-00000002", "Fax
Transmission") in new stack
-- Executing [606@intern:2] Set("SIP/105-00000002",
"FAXOPT(gateway)=yes") in new stack
[Jan 5 00:59:57] WARNING[1831]: res_fax.c:2783 acf_faxopt_write:
channel 'SIP/605-00000002' set FAXOPT(gateway) to 'yes' is unhandled!
-- Executing [606@intern:3] Dial("SIP/605-00000002", "DAHDI/3") in
new stack
-- Called DAHDI/3
-- DAHDI/3-1 is ringing
-- DAHDI/3-1 is ringing
-- DAHDI/3-1 is ringing
-- DAHDI/3-1 answered SIP/605-00000002
-- Hanging up on 'DAHDI/3-1'
-- Hungup 'DAHDI/3-1'
== Spawn extension (intern, 606, 3) exited non-zero on 'SIP/105-00000002'
Since 'fax show capabilities' did not show that you have gateway
support, you won't be able to enable it. That problem must be corrected
first.
--
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
Jabber: [email protected] | SIP: [email protected] | Skype: kpfleming
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at www.digium.com & www.asterisk.org
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