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<p class=MsoNormal>Hello sir,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:14.0pt'>There is an echo problem in
sip voip call. I think it is because of delay in audio.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Let me try to explain you my system setup.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have test asterisk on two different system.<o:p></o:p></p>
<p class=MsoNormal>System : 1><o:p></o:p></p>
<p class=MsoNormal>OS
: Ubuntu(10.04)Lucid<o:p></o:p></p>
<p class=MsoNormal>System Type : x64-based pc<o:p></o:p></p>
<p class=MsoNormal>Processor
: Intel(R) Core i5 CPU M520 @ 2.40GHz <o:p></o:p></p>
<p class=MsoNormal>RAM :
4.00 GB<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>System : 2><o:p></o:p></p>
<p class=MsoNormal>OS
: CentOS (5.7)<o:p></o:p></p>
<p class=MsoNormal>System Type : x86-based pc<o:p></o:p></p>
<p class=MsoNormal>Processor
: Intel(R) Pentium D CPU 3.00GHz <o:p></o:p></p>
<p class=MsoNormal>RAM
: 1.00 GB<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I use beetel magiq android tablet as video sip dialer.( <a
href="http://beetel.quasar.in/magiqII">http://beetel.quasar.in/magiqII</a> ),
which is rebranded version of huawei ideos S7 tablet (<a
href="http://www.huaweidevice.com/resource/mini/201008174756/ideos/products_s7.html">http://www.huaweidevice.com/resource/mini/201008174756/ideos/products_s7.html</a>)<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I use D-link DIR-615 WIRELESS N 300 ROUTER (<a
href="http://www.dlink.co.in/products/?pid=349">http://www.dlink.co.in/products/?pid=349</a>)
as wireless access point.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have try two android video softphone on my tablet.<o:p></o:p></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='mso-list:Ignore'>1><span style='font:7.0pt "Times New Roman"'>
</span></span><![endif]>Voipswitch
:
<a
href="http://voipswitch.com/en/products/softphones/mobile-softphones/softphone-for-android/">http://voipswitch.com/en/products/softphones/mobile-softphones/softphone-for-android/</a><o:p></o:p></p>
<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='mso-list:Ignore'>2><span style='font:7.0pt "Times New Roman"'>
</span></span><![endif]>Linphone (1.2.2)
: <a
href="http://www.linphone.org/eng/download/packages/android.html">http://www.linphone.org/eng/download/packages/android.html</a><o:p></o:p></p>
<p class=MsoListParagraph><o:p> </o:p></p>
<p class=MsoNormal>* i also try both codec( G729 , G711)<o:p></o:p></p>
<p class=MsoNormal>* android tablets and asterisk server are connected in Local
Area Network(LAN).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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