[Freeswitch-users] session:recordFile(-) always creates empty wav file during outbound IVR call

[Anthony Minessale]

Does the empty file contain silence that corresponds to the duration
of the time it's recording?
Are you producing the audio yourself into the recording and can you
verify with a pcap that there is actually any audio to record?


On Wed, Aug 31, 2011 at 9:21 PM, king2kin <xing2kin at yahoo.com> wrote:
> Anthony,
>
> Thank you for help. I tried outbound IVR call in multiple ways again based on your advice,  session:recordFile(-) still doesn't work normally, still created empty wav file .
>
> Could anyone please give me a hand on FreeSwitch Record? It always fails to record audio file during any outbound IVR call (auto dialer) although it works well during any inbound ivr call.
>
> Session:streamFile(-) works well to play back prompt files, dtmf keypress also works, ... during outbound ivr call.
>
> x.k.
>
> --- On Wed, 8/31/11, Anthony Minessale <anthony.minessale at gmail.com> wrote:
>
>> From: Anthony Minessale <anthony.minessale at gmail.com>
>> Subject: Re: [Freeswitch-users] session:recordFile(-) always creates empty wav file during outbound IVR call
>> To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
>> Date: Wednesday, August 31, 2011, 12:17 PM
>> try this dial string instead
>>
>> {ignore_early_media=true}sofia/gateway/sip.tpad.com/1726011
>>
>> On Wed, Aug 31, 2011 at 12:52 PM, king2kin <xing2kin at yahoo.com>
>> wrote:
>> > Hi folks,
>> >
>> > With Lua script and/or originate command, I have tried
>> recording a message file during outbound IVR call over and
>> over, session:recordFile(-) inside Lua script does create a
>> wav file during each of my testings but the recorded audio
>> file is always empty.
>> >
>> > However, session:recordFile(-) works well for inbound
>> IVR call.
>> >
>> > I tried the session:recordFile(-) via Lua script in
>> three ways:
>> >
>> > 1. run lua script "test_outcall_ivr.lua" at freeswitch
>> command-line:
>> >
>> > luarun test_outcall_ivr.lua
>> >
>> >
>> > -- [test_outcall_ivr.lua]
>> > {
>> > local sessionx =
>> freeswitch.Session("sofia/gateway/sip.tpad.com/1726011",
>> session)
>> >
>> > -- Set the path separator
>> > pathsep = '/'
>> >
>> > -- Windows users do this instead:
>> > -- pathsep = '\'
>> >
>> > -- Answer the call
>> > -- sessionx:answer()
>> >
>> > --Create a string with path and filename of a sound
>> file
>> > prompt = "ivr" .. pathsep ..
>> "ivr-welcome_to_freeswitch.wav"
>> >
>> > -- Print a log message
>> > freeswitch.consoleLog("INFO","Prompt file is '" ..
>> prompt .. "'\n")
>> >
>> > --Play the prompt
>> > sessionx:streamFile(prompt)
>> >
>> > -- Record record file
>> >
>> sessionx:streamFile("phrase:voicemail_record_message")
>> >
>> > -- Play a ""bong"" tone prior to recording
>> >
>> sessionx:streamFile("tone_stream://v=-7;%(100,0,941.0,1477.0);v=-7;>=2;+=.1;%(1000,
>> 0, 640)")
>> >
>> > -- record a message
>> > filename = sessionx:getVariable('sounds_dir') ..
>> pathsep .. "123.wav"
>> > sessionx:recordFile(filename,300,100,10)
>> >
>> > -- play back the recorded msg
>> > sessionx:streamFile(filename)
>> >
>> > -- Hangup
>> > sessionx:hangup()
>> >
>> > }
>> >
>> > 2. I also tried it differently by submitting the
>> following commands at the FreeSwitch command-line
>> interface:
>> >
>> > originate user/1005 &transfer(8887 xml default)
>> >
>> > originate user/1005 &lua('test1.lua')
>> >
>> > originate sofia/gateway/sip.tpad.com/1726011
>> &lua('test1.lua')
>> >
>> >
>> > -- [test1.lua]
>> > {
>> > -- Set the path separator
>> > pathsep = '/'
>> >
>> > -- Windows users do this instead:
>> > -- pathsep = '\'
>> >
>> > --Answer the call
>> > session:answer()
>> >
>> > --Create a string with path and filename of a sound
>> file
>> > prompt = "ivr" .. pathsep ..
>> "ivr-welcome_to_freeswitch.wav"
>> >
>> > -- Print a log message
>> > freeswitch.consoleLog("INFO","Prompt file is '" ..
>> prompt .. "'\n")
>> >
>> > --Play the prompt
>> > session:streamFile(prompt)
>> >
>> > -- Record record file
>> > session:streamFile("phrase:voicemail_record_message")
>> >
>> > -- Play a ""bong"" tone prior to recording
>> >
>> session:streamFile("tone_stream://v=-7;%(100,0,941.0,1477.0);v=-7;>=2;+=.1;%(1000,
>> 0, 640)")
>> >
>> > -- record a message
>> > filename = session:getVariable('sounds_dir') ..
>> pathsep .. "123.wav"
>> > session:recordFile(filename,300,100,10)
>> >
>> > -- play back the recorded msg
>> > session:streamFile(filename)
>> >
>> > -- Hangup
>> > session:hangup()
>> > }
>> >
>> > -- [xml dialplan for extension 8887]:
>> > {
>> >        <extension name="Simple Lua Test">
>> >                <condition
>> field="destination_number" expression="^(8887)$">
>> >                        <action
>> application="set" data="record_waste_resources=true"/>
>> >                        <action
>> application="lua" data="test1.lua"/>
>> >                </condition>
>> >        </extension>
>> > }
>> >
>> >
>> ======================================================
>> >
>> > For all the above testing cases, session:recordFile(-)
>> always creates an empty wav file for each of outbound IVR
>> calls, however, if I make an inbound IVR　call to run Lua
>> script "test1.lua", session:recordFile(-) always works
>> perfect to generate a normal wav file.
>> >
>> > So, what's wrong with [session:recordFile(-)] during
>> an outbound IVR call?
>> >
>> > x.k.
>> >
>> >
>> > FreeSWITCH-users mailing list
>> > FreeSWITCH-users at lists.freeswitch.org
>> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> > http://www.freeswitch.org
>> >
>>
>>
>>
>> --
>> Anthony Minessale II
>>
>> FreeSWITCH http://www.freeswitch.org/
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>>
>> AIM: anthm
>> MSN:anthony_minessale at hotmail.com
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>>
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>>
>>
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>
>
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-- 
Anthony Minessale II

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