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[asterisk-users] Voicemail greeting playback issues?

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BryantZ at zktech.com
Guest

Posted: Mon Nov 25, 2013 12:23 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

Hey all I have been beating on this all weekend long. Any feed back would be appreciated. We stood up a 11.6 system. We tested everything we could think of. We moved over to it and all seemed to be working good than a customer told us that they were not hearing our vociemail greetings. When we call into the system and it drops to voicemail we just get a beep no greeting played. We checked and the greeting files are there and play back from the voicemail ivr. If no greeting is there it just plays "The Pers.. beep" Both 11.2.1 and 11.6 do this. If I drop back to 1.8.current the issue goes away. Any Ideas? Thanks Bryant Zimmerman (ZK Tech Inc.) 616-855-1030 Ext. 2003

support at drdos.info
Guest

Posted: Mon Nov 25, 2013 2:01 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

Quote:

Both 11.2.1 and 11.6 do this. If I drop back to 1.8.current the issue goes away.

I don't see this under 11.5.1

Doug

BryantZ at zktech.com
Guest

Posted: Mon Nov 25, 2013 2:48 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

From: "Doug Lytle" <support@drdos.info>
Sent: Monday, November 25, 2013 2:01 PM
To: bryantz@zktech.com, "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com>
Subject: Re: [asterisk-users] Voicemail greeting playback issues?

Quote:

Both 11.2.1 and 11.6 do this. If I drop back to 1.8.current the issue goes away.

BryantZ at zktech.com
Guest

Posted: Mon Nov 25, 2013 4:43 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

From: "Bryant Zimmerman" <BryantZ@zktech.com>
Sent: Monday, November 25, 2013 2:49 PM
To: asterisk-users@lists.digium.com
Subject: Re: [asterisk-users] Voicemail greeting playback issues?

From: "Doug Lytle" <support@drdos.info>
Sent: Monday, November 25, 2013 2:01 PM
To: bryantz@zktech.com, "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com>
Subject: Re: [asterisk-users] Voicemail greeting playback issues?

Quote:

Both 11.2.1 and 11.6 do this. If I drop back to 1.8.current the issue goes away.

I don't see this under 11.5.1

Doug

---------------------------------------------------

Doug

Thank you for your response. It is good to hear that you are not having the issue.
It gives me hope that there is a way to resolve this quickly.

Do you have an thing special around your voicemail configuration? We started with the 11.xx sample config and mapped our settings from 1.8.x. Both our 11.xx and 1.8.x systems are running on the same virtual server. Both are reading and writing audio and vm files to and from the local storage. I forced off g729 to ensure that it was not causing the issues.

Do you know of any way to force a higher level of debugging to see why the voicemail application would be having an issue?

Thanks

Bryant Zimmerman (ZK Tech Inc.)
616-855-1030 Ext. 2003

--------------------------------------------------------

Hey all

I believe I found the bug in Asterisk 11.xxx If someone can help me verify it.

My voice mail test scripts do not answer or wait they just drop you into the voicemail box.

It appears that something with Asterisk 11.xx is causing the voicemail() command to drop in and ether not play or mess up the prompts. If you have not given it at least one second in the channel before passing it to the voicemail() command.
If you throw a wiat(1) just before the voicemail() command the prompts play correctly. So if you have rung extensions using dial() before going to voicemail that appears to be enough time.

If you place an inbound call directly to voicemail() with no pause then you have an issue.

Example Broken:

Quote:

exten => _9XXX,1,Set(l_VMExt=${EXTEN:1})
exten => _9XXX,n,MailboxExists(${l_VMExt}@${siteVMContext})
exten => _9XXX,n,GotoIf($["${VMBOXEXISTSSTATUS}"="FAILED"]?doHangup)
exten => _9XXX,n,Voicemail(${l_VMExt}@${siteVMContext},u)
exten => _9XXX,n(doHangup),NoOp(Issue 9XXX Hangup)
exten => _9XXX,n,Hangup()

Example Works:

Quote:

exten => _9XXX,1,Set(l_VMExt=${EXTEN:1})
exten => _9XXX,n,MailboxExists(${l_VMExt}@${siteVMContext})
exten => _9XXX,n,GotoIf($["${VMBOXEXISTSSTATUS}"="FAILED"]?doHangup)
exten => _9XXX,n,Wait(1)
exten => _9XXX,n,Voicemail(${l_VMExt}@${siteVMContext},u)
exten => _9XXX,n(doHangup),NoOp(Issue 9XXX Hangup)
exten => _9XXX,n,Hangup()

The code that is broken with Asterisk 11.xx worked in Asterisk 1.8.x
Can anyone confirm this?

Thanks
Bryant Zimmerman()

support at drdos.info
Guest

Posted: Mon Nov 25, 2013 6:24 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

Bryant Zimmerman wrote:

Quote:

Hey all

I believe I found the bug in Asterisk 11.xxx If someone can help me
verify it.

Actually,

I wouldn't consider it a bug. I've know for years that you need to
answer a channel before you play back audio or strange things can and
will happen.

Doug

--
Ben Franklin quote:

"Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."

--
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asterisk-list at puzzl...
Guest

Posted: Mon Nov 25, 2013 8:17 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

On 11/26/2013 12:24 AM, Doug Lytle wrote:

Quote:

Bryant Zimmerman wrote:

Quote:

Hey all

I believe I found the bug in Asterisk 11.xxx If someone can help me
verify it.

Actually,

I wouldn't consider it a bug. I've know for years that you need to
answer a channel before you play back audio or strange things can and
will happen.

That's what I do since the 0.x days. IIRC in recent Asterisk versions
some apps answer before doing anything else. Guess the voicemail app is
not one of them. I always answer first followed by a small Wait and then
execute the app.

Regards,
Patrick

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mjordan at digium.com
Guest

Posted: Mon Nov 25, 2013 10:42 pm Post subject: [asterisk-users] Voicemail greeting playback issues?

On Mon, Nov 25, 2013 at 7:17 PM, Patrick Lists <asterisk-list@puzzled.xs4all.nl (asterisk-list@puzzled.xs4all.nl)> wrote:

Quote:

On 11/26/2013 12:24 AM, Doug Lytle wrote:

Quote:

Bryant Zimmerman wrote:

Quote:

Hey all

I believe I found the bug in Asterisk 11.xxx If someone can help me
verify it.

Actually,

I wouldn't consider it a bug. I've know for years that you need to
answer a channel before you play back audio or strange things can and
will happen.

VoiceMail does automatically Answer a channel.

I'm going to guess that you have strictrtp enabled (which it is by default), and that if you cranked up Asterisk verbose logging to at least 4, you'd see something like this at about the time you started hearing audio:

0xYYYYYY - Probation passed - setting RTP source address to xxx.xxx.xxx.xxx

Asterisk drops RTP packets until it locks onto an RTP source. It does this to prevent media injection attacks. The default probation period for an RTP source is four packets - you can configure the probationary period as well as whether or not strict RTP checking is enabled in rtp.conf.

Matt

--
Matthew Jordan

Digium, Inc. | Engineering Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: http://digium.com & http://asterisk.org

BryantZ at zktech.com
Guest

Posted: Tue Nov 26, 2013 9:03 am Post subject: [asterisk-users] Voicemail greeting playback issues?

From: "Doug Lytle" <support@drdos.info>
Sent: Monday, November 25, 2013 6:25 PM
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com>
Subject: Re: [asterisk-users] Voicemail greeting playback issues?

Bryant Zimmerman wrote:

Quote:

Hey all

I believe I found the bug in Asterisk 11.xxx If someone can help me
verify it.

Actually,

I wouldn't consider it a bug. I've know for years that you need to
answer a channel before you play back audio or strange things can and
will happen.

Doug

--
Doug

The real issue here is that issuing an Answer() just before does not seem to solve the problem. To work around the issue I have to either put a Wait(1) or Dial() some extensions first. It is presenting like if you drop into the Voicemail() command too fast during call setup that you have issues. This did not occur in 1.8.x. I would be ok if just issuing an Answer() would resolve it as this would be normal, but having to slow down the dial plan seems off.

Thanks
Bryant

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