[Freeswitch-users] voicemail silence_detection is always detecting silence

[Michael Collins]

Hi Raphael,

I looked at your pastebin and this is just a guess but it appears that the
DTMF digit 1 being received (at line 235/236) may be getting interpreted by
mod_voicemail as being the user pressing a digit to stop the recording.
Since the recording is only started less than one second earlier (I'm
guessing around line 234) it doesn't meet the minimum message length of 3
seconds.

One way you could test this is to execute flush_dtmf
<https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools%3A+flush+dtmf>
prior to sending the channel to voicemail.

-MC

On Fri, Jan 16, 2015 at 4:24 AM, Raphael Lechner <raphael.lechner at gmail.com>
wrote:

> I missed to write the used FreeSWITCH version. I tried with 1.4.14 and 1.4.15+git~20141229T185951Z~507a0f22c5~64bit
> (git 507a0f2 2014-12-29 18:59:51Z 64bit)
>
> Thank you
>
> On 16 Jan 2015, at 11:09, Raphael Lechner <raphael.lechner at gmail.com>
> wrote:
>
> Hi,
>
> I configured an extension that first call for some seconds a phone and if
> nobody is picking up, the caller is hearing a playback and can press 1 for
> leaving a voicemail and 2 to get redirected to a mobile phone.
> The Problem is that in my test environment with a SIP Provider everything
> works fine after tuning the voicemail.conf.xml to
>
> <param name="record-silence-threshold" value="200"/>
> <param name="record-silence-hits" value="10”/>
>
> But on the production machine we are using a patton as a ISDN Gateway and
> after pressing 1 for the voicemail I always got "Message is less than
> minimum record length: 3” on the calling phone.
> After that I can record a message and that works as expected.
> Is there a way do disable the silence_detection or any hint what I can
> change?
>
> I tried changing the silence-threshold to 1,50 and silence-hits to
> 300,30000 but nothing has changed
>
> Debug Log
> https://pastebin.freeswitch.org/23851
>
> The called python script:
> def handler(session, args):
>     voicemail = args.split(' ')[0]
>     dtmf_pressed = args.split(' ')[1]
>     forward_number = args.split(' ')[2]
>     callerid = session.getVariable("caller_id_number")
>     callername = session.getVariable("caller_id_name").lstrip()
>
>     if dtmf_pressed == '1':
>         send_sms('377XXXXXXX’,’New Voicemail from %s %s' % (callername,
> callerid))
>         session.execute("export", "skip_greeting=true")
>         session.execute("export", "skip_instructions=true")
>         session.execute("answer")
>         session.execute("voicemail", "default 192.168.17.252 10”)
>         #session.execute("bridge", "loopback/app=voicemail:default %s %s"
> % (conf['network']['ip'],voicemail))
>     elif dtmf_pressed == '2':
>         consoleLog( "info", "Call is forwarded to %s\n" % forward_number)
>         session.transfer(forward_number, "XML", "default")
>     else:
>         consoleLog( "info", "DTMF received is %s and not 1 or 2.Hangup
> Call\n" % (dtmf_pressed))
>         session.hangup()
>
> Thank you,
> Raphael
>
>
>
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