t38modem / Discussion / Help: SelectMediaFormats could not find compatible audio format

Please see https://github.com/PeteDavidson/t38modem

On Sat, Jan 7, 2017 at 6:40 PM, Fernando Ruza feruza@users.sf.net wrote:

Hi,

I'm totaly lost. I've been trying to send a fax with t38modem+hylafax and
h323 gateway for several weeks and can not get it. I've compiled several
t38modem versions with its respective opal and ptlib libraries but always
get the same error. Last time I've used the following versions: RHEL
release 6.6, t38modem-2.0.0, opal-24174 and I start t38modem with the
following arguments:

t38modem --no-sip -n -ttt -o /var/log/t38modem.log --h245tunneldisable -p
+/dev/ttyx0 --route "modem:.=h323:<dn>@10.49.6.71 http://10.49.6.71"
--route "h323:.=modem:<dn>"

Also I have to say I use a Cisco Call Manager as a h323 gateway. When I
send the fax I get the following error:

2017/01/05 18:48:13.122 Housekeeper:0xe5af8700 ModemEngineBody::OnTimerCallback
stConnectHandle Timeout 0
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700 ttyx0 AudioEngine
SendOnIdle dtCng
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700
ModemEndPoint::OnMyCallback command=requestmode extra=4
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700
ModemConnection::RequestMode: Call[Cae0630692]-EP<modem>
modem:/Cae0630692/0 fax-no-force
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700 Call
GetOtherPartyConnection Call[Cae0630692]-EP<modem>[modem:/Cae0630692/0]
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700
ModemConnection::RequestMode: other connection has not fax type
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700
ModemConnection::RequestMode: force fax mode for other connection
2017/01/05 18:48:13.122 ttyx0(e):3...0xe5c3d700
ModemEndPoint::OnMyCallback request={
calltoken=modem:/Cae0630692/0
mode=fax-no-force
command=requestmode
response=confirm
modemtoken=ttyx0
}
2017/01/05 18:48:13.122 PSimpleThr...0xe59b3700 Call
GetOtherPartyConnection Call[Cae0630692]-EP<modem>[modem:/Cae0630692/0]
2017/01/05 18:48:13.122 PSimpleThr...0xe59b3700
ModemConnection::RequestMode: other connection has not fax type
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700
ModemEndPoint::GetMediaFormats
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700 ModemConnection::GetMediaFormats
Remove PCM-16
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700 ModemConnection::GetMediaFormats
Remove UserInput/RFC2833
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700 ModemConnection::
UpdateMediaStreams:
patching T.38
<------> G.711-uLaw-64k,G.711-ALaw-64k
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700 ModemConnection::UpdateMediaStreams:
otherSink=OpalRTPMediaStream-Sink-G.711-uLaw-64k
otherSinkFormat=G.711-uLaw-64k otherSinkSessionID=1
2017/01/05 18:48:13.123 PSimpleThr...0xe59b3700 ModemConnection::UpdateMediaStreams:
otherSource=OpalRTPMediaStream-Source-G.711-uLaw-64k
otherSourceFormat=G.711-uLaw-64k
2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 Call SelectMediaFormats
could not find compatible audio format:
source formats=T.38
sink formats=G.711-uLaw-64k
2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 ModemConnection::UpdateMediaStreams:
can't select source format for sink PSafePtrBase
2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 MyH323Connection::
SwitchFaxMediaStreams:
G.711-uLaw-64k
G.711-ALaw-64k

2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 H323 Found capability:
G.711-uLaw-64k <1>
2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 H245 Started request mode:
outSeq=0 idle
2017/01/05 18:48:13.127 PSimpleThr...0xe59b3700 H245 Sending PDU: request
requestMode
2017/01/05 18:48:13.127 PSimpleThr...0xe59b3700 PTLib Thread ended:
name="PSimpleThread:0xe59b3700", real=0.005, kernel=0.000 (0%),
user=0.000 (0%), both=0.000 (0%)
2017/01/05 18:48:13.133 H.245 Hand...0xe5ab7700 H245 Receiving PDU:
response requestModeReject
2017/01/05 18:48:13.133 H.245 Hand...0xe5ab7700 H245 Received reject on
request mode: outSeq=1 awaitingResponse
2017/01/05 18:48:13.134 H.245 Hand...0xe5ab7700 MyH323Connection::OnSwitchedFaxMediaStreams:
switched to audio
2017/01/05 18:48:13.134 H.245 Hand...0xe5ab7700 OpalCon Switch of media
streams to audio succeeded on Call[Cae0630692]-EP<h323>[localhost/18308]
2017/01/05 18:48:13.134 H.245 Hand...0xe5ab7700 Call
GetOtherPartyConnection Call[Cae0630692]-EP<h323>[localhost/18308]
2017/01/05 18:48:13.134 H.245 Hand...0xe5ab7700 H323
InternalEstablishedConnectionCheck: connectionState=EstablishedConnection
fastStartState=FastStartDisabled H.245 is ready

The main log lines ares:

2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 Call SelectMediaFormats
could not find compatible audio format:
source formats=T.38
sink formats=G.711-uLaw-64k
2017/01/05 18:48:13.126 PSimpleThr...0xe59b3700 ModemConnection::UpdateMediaStreams:
can't select source format for sink PSafePtrBase

Please help!!, I don't know what more to do.

Thanks for any advice.

Fernando.

SelectMediaFormats could not find compatible audio format
https://sourceforge.net/p/t38modem/discussion/508603/thread/ed7c1827/?limit=25#d0af

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--
Pete Davidson
Senior Software Developer
Embedded Systems

O +1 859 825 4999
M +1 859 338 3426
F +1 859 232 6267
Pete@Lexmark.com

http://www.lexmark.com/
www.lexmark.com

Fernando,

Vayacheslav Frolov seems to have abandoned this project. Henning
Holtschneider continued to work on it and I took his work and added to it.
At this point my repo has the most capable t38modem code. We use this code
in thousands of Lexmark MFPs to allow them to do T.38 over SIP and H.323
without a modem or ATA. I hope in the future to port t38modem it to the
latest versions of opal and ptlib.

Pete

On Mon, Jan 9, 2017 at 3:51 AM, Fernando Ruza feruza@users.sf.net wrote:

Ok Pete. Why is it working with your code and it doesn't with the official
t38modem release?, is it something about the opal and ptlib versions and
RHEL 6.6?.

Regards, Fernando.

SelectMediaFormats could not find compatible audio format
https://sourceforge.net/p/t38modem/discussion/508603/thread/ed7c1827/?limit=25#c6dd

Sent from sourceforge.net because you indicated interest in
https://sourceforge.net/p/t38modem/discussion/508603/

To unsubscribe from further messages, please visit
https://sourceforge.net/auth/subscriptions/

--
Pete Davidson
Senior Software Developer
Embedded Systems

O +1 859 825 4999
M +1 859 338 3426
F +1 859 232 6267
Pete@Lexmark.com

http://www.lexmark.com/
www.lexmark.com

SelectMediaFormats could not find compatible audio format

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Fernando.

Fernando.

Regards, Fernando.

SelectMediaFormats could not find compatible audio format