Hi Deepika,
Try monitoring dahdi B channel for audio using dahdi_monitor once the call
is established.
eg.
*dahdi_monitor 1 -v* // where 1 is active dahdi channel
- Anil
On Thu, May 20, 2010 at 9:56 AM, bipin singh <bipinraghuvanshi at gmail.com>wrote:
> Hi
> change asterisk version voice issue on this version use asterisk-1.6.0
>
> On Wed, May 19, 2010 at 6:12 PM, Deepika Nijhawan <
> deepika.chopra at oxygen8.com> wrote:
>
>> Below is required info:
>>
>>
>>
>> 1. Which version of asterisk ,dahdi and libss7 you installed
>>
>> Asterisk 1.6.2.7
>>
>> DAHDI Version: 2.3.0 Echo Canceller:
>>
>> libss7 version: 1.0.2
>>
>>
>>
>> 2. OS Kernel Version
>>
>> Centos 5.4
>>
>>
>>
>> [root at asterisk4.uk:~]$ uname -r
>>
>> 2.6.18-164.15.1.el5PAE
>>
>>
>>
>> 3.IPTables and SELinux Status
>>
>> IPTables is fine. My softphone's ip range is allowed. This was working
>> before with ISDN.
>>
>>
>>
>> [root at asterisk4.uk:~]$ cat /etc/sysconfig/selinux
>>
>> # This file controls the state of SELinux on the system.
>>
>> # SELINUX= can take one of these three values:
>>
>> # enforcing - SELinux security policy is enforced.
>>
>> # permissive - SELinux prints warnings instead of enforcing.
>>
>> # disabled - SELinux is fully disabled.
>>
>> SELINUX=disabled
>>
>> # SELINUXTYPE= type of policy in use. Possible values are:
>>
>> # targeted - Only targeted network daemons are protected.
>>
>> # strict - Full SELinux protection.
>>
>> SELINUXTYPE=targeted
>>
>>
>>
>> 4. Codec Status
>>
>> I am dialing from softphone -> asterisk -> telsis using alaw codec.
>>
>>
>>
>> 5.SIP.conf and extension.conf information
>>
>>
>>
>> sip.conf:
>>
>> [448714349151]
>>
>> type=friend
>>
>> username=448714349151
>>
>> secret=deepika
>>
>> disallow=all
>>
>> allow=alaw
>>
>> nat=yes
>>
>> host=dynamic
>>
>> canreinvite=no
>>
>> context=from-pstn
>>
>> call-limit=2
>>
>>
>>
>> extensions.conf:
>>
>> [from-pstn]
>>
>> exten => _1999001X.,1,Dial(DAHDI/g0/${EXTEN})
>>
>>
>>
>> 6.
>>
>> Even if I enable below line in system.conf?
>>
>> #echocanceller=mg2,1-15,17-31
>>
>> I am getting below error:
>>
>> [May 19 12:55:59] WARNING[6187]: chan_dahdi.c:2683 dahdi_enable_ec: Unable
>> to enable echo cancellation on channel 1 (No such device)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> ---
>>
>>
>>
>> Kind Regards,
>>
>>
>>
>> *Deepika Nijhawan*
>>
>> *VoIP Engineer*
>>
>> * *
>>
>> *Oxygen8* Communications
>>
>> *T:* +44(0) 871 434 9151
>>
>> +44(0) 121 620 9151
>>
>> *Email:* deepika.nijhawan at oxygen8.com
>>
>> *Skype:* deepika-nijhawan
>>
>> *W:* www.oxygen8.com
>>
>>
>>
>>
>>
>> This communication contains information which is confidential and may also
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>>
>>
>>
>>
>>
>> --
>> _____________________________________________________________________
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>>
>
>
>
> --
> BIPIN RAGHUVANSHI
> OPERATION HEAD
> ASTERISK (DEVELOPMENT AND RESEARCH)
> WWW.EHORIZONS.IN
> 011-32323262
> 011-46334633
>
> --
> _____________________________________________________________________
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