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Re: [Linphone-users] [Freeswitch-users] comfort noise and opus
From: |
Michael Jerris |
Subject: |
Re: [Linphone-users] [Freeswitch-users] comfort noise and opus |
Date: |
Tue, 20 Sep 2016 15:48:32 -0400 |
This is quite old FreeSWITCH code, almost 2 years old. We’ve done significant
work on opus support since then, i would start before you make any assumptions
switching to the latest release 1.6.10.
> On Sep 20, 2016, at 3:42 PM, Russell Treleaven <address@hidden> wrote:
>
> I noticed something that I thought I would share for the benefit of others.
>
> FreeSWITCH Version 1.5.15b+git~20141215T224714Z~0b414a8de8~64bit (git 0b414a8
> 2014-12-15 22:47:14Z 64bit)
> Linphone 3.9.1
>
> To reproduce
> place a call with linphone using opus to a freeswitch server voicemail
> extension.
> listen to the outgoing message and leave a voicemail after the prompt.
>
> observed
> Fairly loud comfort noise is heard while leaving the message.
>
> expected
> should hear silence instead of comfort noise.
>
> If we change the codec to pcmu we hear silence instead of comfort noise.
> Comfort noise is heard because after the outgoing message freeswitch stops
> sending rtp.
>
> workaround
> add this to the voicemail extension before the answer application.
> <action
> application="set"
> data="record_waste_resources=true"
> ></action>
>
> Sincerely,
>
> Russell Treleaven
>
>