There is an echo problem in sip voip call. I think it is because of delay in
Let me try to explain you my system setup.
I have test asterisk on two different system.
System : 1>
OS : Ubuntu(10.04)Lucid
System Type : x64-based pc
Processor : Intel(R) Core i5 CPU M520 @ 2.40GHz
RAM : 4.00 GB
System : 2>
OS : CentOS (5.7)
System Type : x86-based pc
Processor : Intel(R) Pentium D CPU 3.00GHz
RAM : 1.00 GB
I use beetel magiq android tablet as video sip dialer.(
http://beetel.quasar.in/magiqII ), which is rebranded version of huawei
ideos S7 tablet
I use D-link DIR-615 WIRELESS N 300 ROUTER
(http://www.dlink.co.in/products/?pid=349) as wireless access point.
I have try two android video softphone on my tablet.
1> Voipswitch :
2> Linphone (1.2.2) :
* i also try both codec( G729 , G711)
* android tablets and asterisk server are connected in Local Area