[Freeswitch-users] problem with voice quality

[Kris]

I use X-Lite to call into my local freeswitch for testing and it works fine, 
but when I call into the weekly conference, everyone hears noise so I use 
Linphone or Skype for that. It's strange..

----- Original Message ----- 
From: "joy this" <thisjoy0528 at gmail.com>
To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
Sent: Thursday, February 24, 2011 9:49 PM
Subject: [Freeswitch-users] problem with voice quality


> Dear all:
>
>
>
>        The scenario is that, when I use 3CX (PCMA) to call XLite, 3CX will
> hear loud noise but XLite is fine. And I found that it would only happen
> when XLite supports PCMA and PCMU simultaneously. If XLite only support
> PCMA, everything is fine.
>
> Maybe it is because of the old version of Freeswitch, I download the 
> latest
> version yesterday and re-test. The result is that 3CX hear nothing instead
> of noise. I use Wireshark to survey packages, and the server does not
> transfer UDP packages to 3CX. I check the log file, it is as below.
>
>
>
> -----3CX hears nothing-----
>
> 2011-02-24 20:17:30.724125 [DEBUG] sofia.c:4683 Channel
> sofia/internal/1000 at thisjoy.x.x:5060 entering state [completed][200]
>
> 2011-02-24 20:17:30.724125 [DEBUG] switch_core_session.c:709 Send signal
> sofia/internal/1000 at thisjoy.x.x:5060 [BREAK]
>
> 2011-02-24 20:17:30.724125 [DEBUG] switch_channel.c:2790
> (sofia/internal/1000 at thisjoy.x.x:5060) Callstate Change EARLY -> ACTIVE
>
> 2011-02-24 20:17:30.724125 [NOTICE] switch_ivr_originate.c:3363 Channel
> [sofia/internal/1000 at thisjoy.x.x:5060] has been answered
>
> 2011-02-24 20:17:30.724125 [DEBUG] switch_ivr_originate.c:3408 Originate
> Resulted in Success: [sofia/internal/sip:1001 at 114.24.x.x:56922]
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_ivr_originate.c:3408 Originate
> Resulted in Success: [sofia/internal/sip:1001 at 114.24.x.x:56922]
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_core_session.c:709 Send signal
> sofia/internal/sip:1001 at 114.24.x.x:56922 [BREAK]
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_core_session.c:709 Send signal
> sofia/internal/1000 at thisjoy.x.x:5060 [BREAK]
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_ivr_bridge.c:1234
> (sofia/internal/sip:1001 at 114.24.x.x:56922) State Change 
> CS_CONSUME_MEDIA ->
> CS_EXCHANGE_MEDIA
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_core_session.c:1116 Send signal
> sofia/internal/sip:1001 at 114.24.x.x:56922 [BREAK]
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_core_state_machine.c:320
> (sofia/internal/sip:1001 at 114.24.x.x:56922) Running State Change
> CS_EXCHANGE_MEDIA
>
> 2011-02-24 20:17:30.739750 [DEBUG] switch_core_state_machine.c:369
> (sofia/internal/sip:1001 at 114.24.x.x:56922) State EXCHANGE_MEDIA
>
> 2011-02-24 20:17:30.739750 [DEBUG] mod_sofia.c:552 SOFIA EXCHANGE_MEDIA
>
> 2011-02-24 20:17:30.974125 [DEBUG] switch_rtp.c:2985 Correct ip/port
> confirmed.
>
> 2011-02-24 20:17:30.974125 [DEBUG] sofia.c:4683 Channel
> sofia/internal/1000 at thisjoy.x.x:5060 entering state [ready][200]
>
> 2011-02-24 20:17:31.021000 [DEBUG] switch_core_session.c:771 Send signal
> sofia/internal/sip:1001 at 114.24.x.x:56922 [BREAK]
>
> 2011-02-24 20:17:31.021000 [DEBUG] switch_core_session.c:771 Send signal
> sofia/internal/1000 at thisjoy.x.x:5060 [BREAK]
>
> -----log end-----
>
>
>
> When XLite only supports PCMA, it would be an additional log:
>
> 2011-02-24 20:16:06.661625 [INFO] switch_rtp.c:2968 Auto Changing port 
> from
> 192.168.1.1:51508 to 114.24.x.x:51508
>
>        And I test it again by using a public VoIP server (
> sip.lowratevoip.com), there is no noise or silence situation, everything 
> is
> fine.
>
>        Does XLite get bugs? Why the public server can deal with the
> situation? Could anyone help me?
>
>
> Sincerely yours,
>
> thisjoy.
>