Yes, I'm trying to build my own code using ngn-stack for android. But, since I'm new to sip and doubango I'm going through ImsDroid in order to understand things well. About the devices I'm using,
caller : Galaxy nexus with cyanogenmod 9 (Android - 4.0.4)
callee : Galaxy y (Android - 2.3.6)
Here is the entire logcat trace
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10-06 08:04:44.736: D/org.doubango.ngn.services.impl.NgnSipService(6324): register()
10-06 08:04:44.736: D/org.doubango.ngn.services.impl.NgnSipService(6324): realm='sip:
sip2sip.info', impu='
sip:har...@sip2sip.info', impi='harshal'
10-06 08:04:44.759: D/org.doubango.ngn.services.impl.NgnSipService(6324): STUN=no
10-06 08:04:44.759: D/org.doubango.ngn.services.impl.NgnSipService(6324): pcscf-host='
proxy.sipthor.net', pcscf-port='5060', transport='UDP', ipversion='ipv4'
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): ::1%1
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): 127.0.0.1
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): fe80::2264:32ff:fe52:4a35%wlan0
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): 192.168.0.102
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnSipService(6324): Local IP='192.168.0.102'
10-06 08:04:44.814: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): acquireNetworkLock()
10-06 08:04:44.822: D/org.doubango.ngn.services.impl.NgnNetworkService(6324): netType=1 and netSubType=0
10-06 08:04:45.384: D/org.doubango.ngn.services.impl.NgnSipService(6324): Stack started
10-06 08:04:45.408: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent (Dialog connecting,1)
10-06 08:04:45.416: D/org.doubango.imsdroid.Engine(6324): showAppNotif
10-06 08:04:45.423: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent ((un)REGISTER request successfully sent.,1)
10-06 08:04:45.541: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent ((un)REGISTER request successfully sent.,1)
10-06 08:04:45.705: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent (Dialog connected,1)
10-06 08:04:45.712: D/org.doubango.imsdroid.Engine(6324): showAppNotif
10-06 08:04:45.720: D/org.doubango.ngn.NgnApplication(6324): acquirePowerLock()
10-06 08:04:52.439: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:04:55.064: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:20.634: D/org.doubango.ngn.sip.NgnSipSession(6324): mRefCount=2
10-06 08:05:20.798: D/org.doubango.imsdroid.Screens.ScreenAV(6324): loadTryingView()
10-06 08:05:20.970: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onStart()
10-06 08:05:20.986: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onResume()
10-06 08:05:20.986: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onPause()
10-06 08:05:20.986: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onStop()
10-06 08:05:20.986: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onDestroy()
10-06 08:05:20.994: D/org.doubango.ngn.sip.NgnSipSession(6324): mRefCount=1
10-06 08:05:21.009: D/org.doubango.ngn.sip.NgnSipSession(6324): mRefCount=2
10-06 08:05:21.166: D/org.doubango.imsdroid.Screens.ScreenAV(6324): loadTryingView()
10-06 08:05:21.306: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onStart()
10-06 08:05:21.314: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onResume()
10-06 08:05:21.392: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent (Dialog connecting,2)
10-06 08:05:21.423: D/org.doubango.imsdroid.Screens.ScreenAV(6324): disableKeyguard()
10-06 08:05:25.291: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:26.244: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:26.259: D/dalvikvm(6324): GC_CONCURRENT freed 3700K, 48% free 6511K/12288K, paused 2ms+4ms
10-06 08:05:27.267: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:28.501: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:29.306: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:30.080: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:30.798: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:31.572: D/dalvikvm(6324): GC_CONCURRENT freed 1863K, 49% free 6380K/12288K, paused 1ms+3ms
10-06 08:05:31.595: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:32.298: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:32.986: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:33.689: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:34.392: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:35.087: D/org.doubango.ngn.services.impl.NgnContactService(6324): Native address book changed
10-06 08:05:35.775: D/dalvikvm(6324): GC_CONCURRENT freed 1487K, 47% free 6612K/12288K, paused 1ms+2ms
10-06 08:05:53.580: E/plugin_audio_opensles(6324): invalid parameter
10-06 08:05:53.580: E/plugin_audio_opensles(6324): invalid parameter
10-06 08:05:53.580: E/plugin_audio_opensles(6324): invalid parameter
10-06 08:05:53.580: E/plugin_audio_opensles(6324): invalid parameter
10-06 08:05:53.587: D/org.doubango.ngn.services.impl.NgnSipService(6324): OnDialogEvent (Transport error,2)
10-06 08:05:53.603: D/org.doubango.imsdroid.Screens.ScreenAV(6324): loadTermView()
10-06 08:05:53.611: D/org.doubango.ngn.sip.NgnSipSession(6324): mRefCount=1
10-06 08:05:55.501: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onPause()
10-06 08:05:55.595: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onStop()
10-06 08:05:55.595: D/org.doubango.imsdroid.Screens.ScreenAV(6324): onDestroy()
10-06 08:05:55.595: D/org.doubango.ngn.sip.NgnSipSession(6324): mRefCount=0
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