[Freeswitch-users] CentOS 5.5 - FreeSWITCH - Audio Quality issues

Anthony Minessale anthony.minessale at gmail.com
Wed Dec 29 19:54:47 MSK 2010


What is the client you are using to make the calls?

This sounds like an error in the RTP timing caused by malfunctioning devices.
Can you get a full trace of a single test call

sofia global siptrace on
console loglevel 7

REPRODUCE and post at http://pastebin.freeswitch.org



On Wed, Dec 29, 2010 at 9:46 AM, Aloysius Lloyd
<lloyd.aloysius at gmail.com> wrote:
> Hi All,
> I am replying to my last email. Apologies if this cause any problems.
> Please see the Disk performance below. Looks to me there is no issue on the
> Disk IO.
> Right now I am using CentOS 5.5 32 bit and kernel 2.6.18-194.26.1.el5PAE #1
> SMP . I could not find any other way to figure out what is causing this
> problem. is it a good idea to use CentOS 64 bit ?
> [root at hd-t1463cl ~]# sar
> Linux 2.6.18-194.26.1.el5PAE
> 12/29/2010
> 12:00:01 AM       CPU     %user     %nice   %system   %iowait
> %steal     %idle
> 12:10:01 AM       all      0.02      0.00      0.02      0.12
> 0.00     99.85
> 12:20:01 AM       all      0.02      0.00      0.02      0.12
> 0.00     99.84
> 12:30:01 AM       all      0.01      0.00      0.02      0.12
> 0.00     99.85
> 12:40:01 AM       all      0.02      0.00      0.02      0.13
> 0.00     99.83
> 12:50:01 AM       all      0.02      0.00      0.02      0.12
> 0.00     99.83
> 01:00:01 AM       all      0.02      0.00      0.02      0.11
> 0.00     99.85
>
> [root at hd-t1463cl ~]# cat /proc/mdstat
> Personalities : [raid1]
> md0 : active raid1 sdb1[1] sda1[0]
>      104320 blocks [2/2] [UU]
> md1 : active raid1 sdb2[1] sda2[0]
>      2096384 blocks [2/2] [UU]
> md2 : active raid1 sdb5[1] sda5[0]
>      308271168 blocks [2/2] [UU]
>
> [root at hd-t1463cl ~]# hdparm -tT /dev/sda
> /dev/sda:
>  Timing cached reads:   15900 MB in  1.99 seconds = 7974.92 MB/sec
>  Timing buffered disk reads:  330 MB in  3.01 seconds = 109.70 MB/sec
> [root at hd-t1463cl ~]# hdparm -tT /dev/sdb
> /dev/sdb:
>  Timing cached reads:   15000 MB in  1.99 seconds = 7522.76 MB/sec
>  Timing buffered disk reads:  334 MB in  3.01 seconds = 110.79 MB/sec
> Thanks and regards,
> Lloyd
>
> On Tue, Dec 28, 2010 at 2:05 PM, Aloysius Lloyd <lloyd.aloysius at gmail.com>
> wrote:
>>
>> Brian,
>> Here is information about the box and codec
>> processor       : 2
>> vendor_id       : GenuineIntel
>> cpu family      : 6
>> model           : 15
>> model name      : Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
>> stepping        : 11
>> cpu MHz         : 2394.057
>> cache size      : 4096 KB
>> physical id     : 0
>> siblings        : 4
>> core id         : 2
>> cpu cores       : 4
>> apicid          : 2
>> fdiv_bug        : no
>> hlt_bug         : no
>> f00f_bug        : no
>> coma_bug        : no
>> fpu             : yes
>> fpu_exception   : yes
>> cpuid level     : 10
>> wp              : yes
>> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
>> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
>> constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
>> bogomips        : 4787.33
>> ---
>> Applications
>> /usr/local/freeswitch/bin/freeswitch -nc
>> mysql
>> Apache
>> Apache and mysql use only for xml_cdr. There is no other applications.
>> --
>> top - 14:01:32 up 8 days, 12:57,  2 users,  load average: 0.10, 0.05, 0.01
>> Tasks: 104 total,   1 running, 102 sleeping,   0 stopped,   1 zombie
>> Cpu(s):  0.0%us,  0.1%sy,  0.0%ni, 99.9%id,  0.0%wa,  0.0%hi,  0.0%si,
>>  0.0%st
>> Mem:   4137172k total,   730956k used,  3406216k free,   164412k buffers
>> Swap:  4192944k total,        0k used,  4192944k free,   463228k cached
>> ---
>>              total       used       free     shared    buffers     cached
>> Mem:          4040        713       3326          0        160        452
>> -/+ buffers/cache:        101       3939
>> Swap:         4094          0       4094
>> --
>> v=0
>> o=FreeSWITCH 1293532168 1293532169 IN IP4 209.172.34.154
>> s=FreeSWITCH
>> c=IN IP4 209.172.34.154
>> t=0 0
>> m=audio 30754 RTP/AVP 0 101
>> a=rtpmap:0 PCMU/8000
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-16
>> a=silenceSupp:off - - - -
>> a=ptime:20
>> a=sendrecv
>> ---
>> FreeSWITCH Version 1.0.head (git-fcd6c54 2010-12-19 00-13-08 -0500)
>> Thanks for your help.
>> Lloyd
>>
>> On Tue, Dec 28, 2010 at 1:54 PM, Brian West <brian at freeswitch.org> wrote:
>>>
>>> I run on a Intel(R) Core(TM)2 Quad  CPU   Q8200 ... its fine with 5.5 so
>>> what exactly are you running on?  And where are these calls coming from?
>>> codec? sample rate and such?
>>> /b
>>> On Dec 28, 2010, at 12:50 PM, Aloysius Lloyd wrote:
>>>
>>> MOH - playing without any issue. I do not think Disk activity is a issue
>>> here.
>>> Box running Intel Core 2 Quad 2.4GHz + 4GB Ram - CentOS FreeSWITCH
>>> IVR - Start low volume then increase ... sometime high volume then go to
>>> low volume
>>> Voice mails - Noice, breaking voices etc ...
>>> Any help is appreciated.
>>> Thanks
>>> Lloyd
>>>
>>>
>>> _______________________________________________
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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>>>
>>
>
>
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>



-- 
Anthony Minessale II

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