asterisk users - Sep 2005 - Pass through of T.38

Hi,

I found some contradicting infos about pass through of
T.38 data.

Are there any experiences of just passing T.38 via SIP from one T.38
application or gateway trough asterisk to another T.38 application
or gateway?

Would asterisk maybe even pass T.38 from chan_oh323 to chan_sip
(without understanding the content)?

Please tell me, if you have knowledges or experiences on this
topic!

Othervice, and if I won't find further reliable information saying
it cannot work, I'll try it. And of course I will report the results
later here.


Roger.

Roger Schreiter wrote:
> Hi,
> 
> I found some contradicting infos about pass through of
> T.38 data.
	I almost had to change my pants when I saw a CVS update this morning 
adding T38 frame recognition to asterisk. I kept looking for the code 
that complimented this but haven't seen it yet. And there was no bug 
reference so I can't help test.

-Matthew

I tried to compile CVS 1.0.9 adding the Newman Telecom routines NVFaxDetect
& NVBackgroundDetect, but as I only get the .c files and not the dynamic
libraries, all that I get is:
 
gcc -pipe  -Wall -Wstrict-prototypes -Wmissing-prototypes
-Wmissing-declarations -g  -Iinclude -I../include -D_REENTRANT -D_GNU_SOURCE
-O6 -march=i686   -DZAPTEL_OPTIMIZATIONS
-DASTERISK_VERSION=\"CVS-v1-0-09/08/05-16:03:13\"
-DINSTALL_PREFIX=\"\"
-DASTETCDIR=\"/etc/asterisk\"
-DASTLIBDIR=\"/usr/lib/asterisk\"
-DASTVARLIBDIR=\"/var/lib/asterisk\"
-DASTVARRUNDIR=\"/var/run\"
-DASTSPOOLDIR=\"/var/spool/asterisk\"
-DASTLOGDIR=\"/var/log/asterisk\"
-DASTCONFPATH=\"/etc/asterisk/asterisk.conf\"
-DASTMODDIR=\"/usr/lib/asterisk/modules\"
-DASTAGIDIR=\"/var/lib/asterisk/agi-bin\"     -DBUSYDETECT_MARTIN
-fPIC   -c -o app_nv_faxdetect.o app_nv_faxdetect.c
app_nv_faxdetect.c: In function `nv_detectfax_exec':
app_nv_faxdetect.c:218: error: structure has no member named `cid'
app_nv_faxdetect.c:235: error: structure has no member named `cid'
app_nv_faxdetect.c:273: error: structure has no member named `cid'
make[1]: *** [app_nv_faxdetect.o] Error 1
make[1]: Leaving directory `/usr/src/asterisk/apps'
make: *** [subdirs] Error 1

When I run make on /usr/src/asterisk. I tried to build the libraries but I
got the same errors 

app_nv_faxdetect.c:218: error: structure has no member named `cid'
app_nv_faxdetect.c:235: error: structure has no member named `cid'
app_nv_faxdetect.c:273: error: structure has no member named `cid'

on the compilation. Some has any clue about this?

Of course, I sent e-mails to info@newmantelecom.com but I never got any
answer about the libraries, and I found only the .c files.

Thanks,

Carlos Alperin


-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Roger
Schreiter
Sent: Thursday, September 08, 2005 11:14 AM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] Pass through of T.38

Hi,

I found some contradicting infos about pass through of
T.38 data.

Are there any experiences of just passing T.38 via SIP from one T.38
application or gateway trough asterisk to another T.38 application
or gateway?

Would asterisk maybe even pass T.38 from chan_oh323 to chan_sip
(without understanding the content)?

Please tell me, if you have knowledges or experiences on this
topic!

Othervice, and if I won't find further reliable information saying
it cannot work, I'll try it. And of course I will report the results
later here.


Roger.

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