diff --git a/sflphone-client-gnome/src/config/audioconf.c b/sflphone-client-gnome/src/config/audioconf.c
index 9031c99febfd62ef4e740d56ef73b79f4b9cc88e..5dd23a4dd68a8251a7bcd0c89d409210acde3d6a 100644
--- a/sflphone-client-gnome/src/config/audioconf.c
+++ b/sflphone-client-gnome/src/config/audioconf.c
@@ -397,6 +397,8 @@ codec_active_toggled(GtkCellRendererToggle *renderer UNUSED, gchar *path, gpoint
         codec = codec_list_get_by_payload(110);
     else if ((g_strcasecmp(name,"speex")==0) && (g_strcasecmp(srate,"16 kHz")==0))
         codec = codec_list_get_by_payload(111);
+    else if ((g_strcasecmp(name,"speex")==0) && (g_strcasecmp(srate,"32 kHz")==0))
+        codec = codec_list_get_by_payload(112);
     else
         codec = codec_list_get_by_name(name);
 
diff --git a/sflphone-client-gnome/src/contacts/calltree.c b/sflphone-client-gnome/src/contacts/calltree.c
index f87206be01e35176d50da316777963fe9ff60d52..d1bf035968d4411f05e90c0fdea0ec5a0e461871 100644
--- a/sflphone-client-gnome/src/contacts/calltree.c
+++ b/sflphone-client-gnome/src/contacts/calltree.c
@@ -412,8 +412,6 @@ calltree_update_call (calltab_t* tab, callable_obj_t * c)
 void calltree_add_history_entry (callable_obj_t * c)
 {
 
-    printf("calltree_add_history_entry\n");
-
     if (dbus_get_history_enabled () == 0)
         return;
 
@@ -473,8 +471,6 @@ void calltree_add_history_entry (callable_obj_t * c)
 void calltree_add_call (calltab_t* tab, callable_obj_t * c)
 {
 
-    printf("calltree_add_call\n");
-
     if (tab == history)
     {
         calltree_add_history_entry (c);
diff --git a/sflphone-common/src/audio/audiortp.cpp b/sflphone-common/src/audio/audiortp.cpp
index cd9906b0ac370f6f068a001a5211330f43c2ea0b..80731ac081f03ee950a4aca5e6f32151a977c4ed 100644
--- a/sflphone-common/src/audio/audiortp.cpp
+++ b/sflphone-common/src/audio/audiortp.cpp
@@ -98,7 +98,7 @@ AudioRtp::closeRtpSession () {
         throw;
     }
     AudioLayer* audiolayer = Manager::instance().getAudioDriver();
-    audiolayer->stopStream();
+    // audiolayer->stopStream();
 
     return true;
 }
@@ -398,52 +398,6 @@ AudioRtpRTX::sendSessionFromMic(int timestamp)
 
     int compSize = processDataEncode(audiolayer);
 
-    /*
-    // compute codec framesize in ms
-    float fixed_codec_framesize = computeCodecFrameSize(_audiocodec->getFrameSize(), _audiocodec->getClockRate());
-
-    // compute nb of byte to get coresponding to 20 ms at audio layer frame size (44.1 khz)
-    int maxBytesToGet = computeNbByteAudioLayer(fixed_codec_framesize);
-    
-    // available bytes inside ringbuffer
-    int availBytesFromMic = audiolayer->canGetMic();
-
-    // set available byte to maxByteToGet
-    int bytesAvail = (availBytesFromMic < maxBytesToGet) ? availBytesFromMic : maxBytesToGet;
-
-    if (bytesAvail == 0)
-      return;
-
-    // Get bytes from micRingBuffer to data_from_mic
-    int nbSample = audiolayer->getMic( micData , bytesAvail ) / sizeof(SFLDataFormat);
-
-    // nb bytes to be sent over RTP
-    int compSize = 0;
-
-    // test if resampling is required
-    if (_audiocodec->getClockRate() != _layerSampleRate) {
-
-        int nb_sample_up = nbSample;
-        // _debug("_nbSample audiolayer->getMic(): %i \n", nbSample);
-    
-        // Store the length of the mic buffer in samples for recording
-        _nSamplesMic = nbSample;
-
-
-        // int nbSamplesMax = _layerFrameSize * _audiocodec->getClockRate() / 1000; 
-	 nbSample = reSampleData(micData , micDataConverted, _audiocodec->getClockRate(), nb_sample_up, DOWN_SAMPLING);
-
-        compSize = _audiocodec->codecEncode( micDataEncoded, micDataConverted, nbSample*sizeof(int16));
-
-    } else {
-        // no resampling required
-
-        // int nbSamplesMax = _codecFrameSize;
-        compSize = _audiocodec->codecEncode( micDataEncoded, micData, nbSample*sizeof(int16));
-
-    }
-    */
-
     // putData put the data on RTP queue, sendImmediate bypass this queue
     if (!_sym) {
         // _sessionSend->putData(timestamp, micDataEncoded, compSize);
@@ -483,54 +437,10 @@ AudioRtpRTX::receiveSessionForSpkr (int& countTime)
     unsigned int size = adu->getSize(); // size in char
 
     processDataDecode(audiolayer, spkrData, size, countTime);
-    /*
-    if (_audiocodec != NULL) {
-
-        // Return the size of data in bytes 
-        int expandedSize = _audiocodec->codecDecode( spkrDataDecoded , spkrData , size );
-
-        // buffer _receiveDataDecoded ----> short int or int16, coded on 2 bytes
-        int nbSample = expandedSize / sizeof(SFLDataFormat);
-
-        // test if resampling is required 
-        if (_audiocodec->getClockRate() != _layerSampleRate) {
-
-            // Do sample rate conversion
-            int nb_sample_down = nbSample;
-            nbSample = reSampleData(spkrDataDecoded , spkrDataConverted, _codecSampleRate , nb_sample_down, UP_SAMPLING);
-
-            // Store the number of samples for recording
-            _nSamplesSpkr = nbSample;
-
-	    // put data in audio layer, size in byte
-            audiolayer->putMain (spkrDataConverted, nbSample * sizeof(SFLDataFormat));
-
-        } else {
-
-            // Stor the number of samples for recording
-            _nSamplesSpkr = nbSample;
-
-	    // put data in audio layer, size in byte
-            audiolayer->putMain (spkrDataDecoded, nbSample * sizeof(SFLDataFormat));
-        }
-
-        // Notify (with a beep) an incoming call when there is already a call 
-        countTime += time->getSecond();
-        if (Manager::instance().incomingCallWaiting() > 0) {
-            countTime = countTime % 500; // more often...
-            if (countTime == 0) {
-                Manager::instance().notificationIncomingCall();
-            }
-        }
-
-    } else {
-        countTime += time->getSecond();
-    }
-    delete adu; adu = NULL;
-    */
-
+    
 }
 
+
     int 
     AudioRtpRTX::reSampleData(SFLDataFormat *input, SFLDataFormat *output, int sampleRate_codec, int nbSamples, int status)
 {
@@ -634,7 +544,7 @@ AudioRtpRTX::run () {
       
     }
     
-    audiolayer->stopStream();
+    // audiolayer->stopStream();
     _debug("- ARTP Action: Stop call %s\n",_ca->getCallId().c_str());
   //} catch(std::exception &e) {
     //_start.post();
diff --git a/sflphone-common/src/audio/audiostream.cpp b/sflphone-common/src/audio/audiostream.cpp
index 08587fdb310803fe561ae208c025869f6b7ab86b..abfb5ab34f92f598d327899751a6f7ed609d88e7 100644
--- a/sflphone-common/src/audio/audiostream.cpp
+++ b/sflphone-common/src/audio/audiostream.cpp
@@ -49,10 +49,6 @@ AudioStream::connectStream()
 
   if(!_audiostream)
     _audiostream = createStream( _context );
-  else {
-    disconnectStream();
-    _audiostream = createStream( _context );
-  }
 
   return true;
 }
diff --git a/sflphone-common/src/audio/codecs/Makefile.am b/sflphone-common/src/audio/codecs/Makefile.am
index 028a178cfd0342945ada0fcd9a169923e6c3f621..10a005f1c85bcd86a54a1997627352cd30d07cbd 100644
--- a/sflphone-common/src/audio/codecs/Makefile.am
+++ b/sflphone-common/src/audio/codecs/Makefile.am
@@ -31,6 +31,14 @@ libcodec_speex_wb_so_LDFLAGS = --shared -lc -lspeex $(SPEEX_NIMP)
 INSTALL_SPEEX_WB_RULE = install-libcodec_speex_wb_so
 endif
 
+if BUILD_SPEEX
+SPEEX_UB_LIB = libcodec_speex_ub.so
+libcodec_speex_ub_so_SOURCES = speexcodec_ub.cpp
+libcodec_speex_ub_so_CFLAGS = -fPIC -g -Wall
+libcodec_speex_ub_so_CXXFLAGS = -fPIC -g -Wall $(SPEEXDSP)
+libcodec_speex_ub_so_LDFLAGS = --shared -lc -lspeex $(SPEEX_NIMP)
+INSTALL_SPEEX_UB_RULE = install-libcodec_speex_ub_so
+endif
 
 if BUILD_CELT
 CELT_LIB = libcodec_celt.so
@@ -52,7 +60,7 @@ INSTALL_ILBC_RULE = install-libcodec_ilbc_so
 SUBDIRS = ilbc
 endif
 
-noinst_PROGRAMS = libcodec_ulaw.so libcodec_alaw.so libcodec_g722.so $(GSM_LIB) $(SPEEX_NB_LIB) $(SPEEX_WB_LIB) $(CELT_LIB) $(ILBC_LIB)
+noinst_PROGRAMS = libcodec_ulaw.so libcodec_alaw.so libcodec_g722.so $(GSM_LIB) $(SPEEX_NB_LIB) $(SPEEX_WB_LIB) $(SPEEX_UB_LIB) $(CELT_LIB) $(ILBC_LIB)
 
 
 noinst_HEADERS = audiocodec.h
@@ -72,8 +80,8 @@ libcodec_g722_so_CFLAGS = -fPIC -g -Wall
 libcodec_g722_so_CXXFLAGS = -fPIC -g -Wall
 libcodec_g722_so_LDFLAGS = --shared -lc
 
-install-exec-local:  install-libcodec_ulaw_so install-libcodec_alaw_so install-libcodec_g722_so $(INSTALL_GSM_RULE) $(INSTALL_SPEEX_NB_RULE) $(INSTALL_SPEEX_WB_RULE) $(INSTALL_CELT_RULE) $(INSTALL_ILBC_RULE) 
-uninstall-local:  uninstall-libcodec_ulaw_so uninstall-libcodec_alaw_so uninstall-libcodec_g722_so uninstall-libcodec_gsm_so uninstall-libcodec_speex_nb_so uninstall-libcodec_speex_wb_so uninstall-libcodec_celt_so
+install-exec-local:  install-libcodec_ulaw_so install-libcodec_alaw_so install-libcodec_g722_so $(INSTALL_GSM_RULE) $(INSTALL_SPEEX_NB_RULE) $(INSTALL_SPEEX_WB_RULE) $(INSTALL_SPEEX_UB_RULE) $(INSTALL_CELT_RULE) $(INSTALL_ILBC_RULE) 
+uninstall-local:  uninstall-libcodec_ulaw_so uninstall-libcodec_alaw_so uninstall-libcodec_g722_so uninstall-libcodec_gsm_so uninstall-libcodec_speex_nb_so uninstall-libcodec_speex_wb_so uninstall-libcodec_speex_ub_so uninstall-libcodec_celt_so
 
 
 install-libcodec_ulaw_so: libcodec_ulaw.so
@@ -89,6 +97,8 @@ install-libcodec_speex_nb_so: libcodec_speex_nb.so
 	$(INSTALL_PROGRAM)  libcodec_speex_nb.so $(sflcodecdir)
 install-libcodec_speex_wb_so: libcodec_speex_wb.so
 	$(INSTALL_PROGRAM)  libcodec_speex_wb.so $(sflcodecdir)
+install-libcodec_speex_ub_so: libcodec_speex_ub.so
+	$(INSTALL_PROGRAM)  libcodec_speex_ub.so $(sflcodecdir)
 install-libcodec_celt_so: libcodec_celt.so
 	$(INSTALL_PROGRAM)  libcodec_celt.so $(sflcodecdir)
 install-libcodec_ilbc_so: libcodec_ilbc.so
@@ -107,6 +117,8 @@ uninstall-libcodec_speex_nb_so:
 	rm -f $(sflcodecdir)/libcodec_speex_nb.so
 uninstall-libcodec_speex_wb_so:
 	rm -f $(sflcodecdir)/libcodec_speex_wb.so
+uninstall-libcodec_speex_ub_so:
+	rm -f $(sflcodecdir)/libcodec_speex_ub.so
 	rm -rf $(sflcodecdir)
 uninstall-libcodec_celt_so: libcodec_celt.so
 	$(INSTALL_PROGRAM)  libcodec_celt.so $(sflcodecdir)
diff --git a/sflphone-common/src/audio/codecs/speexcodec_nb.cpp b/sflphone-common/src/audio/codecs/speexcodec_nb.cpp
index 22089f0454c7f7654de0a4c3f57275c1056dfda4..96f7c63db46e2d3fe180a2c9ea51f95ffbaa9416 100644
--- a/sflphone-common/src/audio/codecs/speexcodec_nb.cpp
+++ b/sflphone-common/src/audio/codecs/speexcodec_nb.cpp
@@ -127,9 +127,11 @@ class Speex : public AudioCodec{
             
             speex_preprocess_run(_preprocess_state, src);
 #endif 
+	    
 
             speex_encode_int(_speex_enc_state, src, &_speex_enc_bits);
             int nbBytes = speex_bits_write(&_speex_enc_bits, (char*)dst, size);
+
             return nbBytes;
         }
 
diff --git a/sflphone-common/src/audio/codecs/speexcodec_ub.cpp b/sflphone-common/src/audio/codecs/speexcodec_ub.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..bce7e952e4ee37816e89d027d1ee9e72bcecffaf
--- /dev/null
+++ b/sflphone-common/src/audio/codecs/speexcodec_ub.cpp
@@ -0,0 +1,158 @@
+/*
+ *  Copyright (C) 2007-2009 Savoir-Faire Linux inc.
+ *  Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
+ *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "audiocodec.h"
+#include <cstdio>
+#include <speex/speex.h>
+#include <speex/speex_preprocess.h>
+
+class Speex : public AudioCodec{
+    public:
+        Speex(int payload=0)
+            : AudioCodec(payload, "speex"),
+            _speexModePtr(NULL),
+            _speex_dec_bits(),
+            _speex_enc_bits(),
+            _speex_dec_state(),
+            _speex_enc_state(),
+            _speex_frame_size(),
+            _preprocess_state()
+    {
+        _clockRate = 32000;
+        _frameSize = 320; // 10 ms at 32 kHz
+        _channel = 1;
+        _bitrate = 0;
+        _bandwidth = 0; 
+        initSpeex();
+    }
+
+        Speex( const Speex& );
+        Speex& operator=(const Speex&);
+
+        void initSpeex() { 
+
+	    // int _samplingRate = 32000; 
+
+            // 8000 HZ --> Narrow-band mode
+            // TODO Manage the other modes
+            _speexModePtr = &speex_wb_mode; 
+            // _speexModePtr = &speex_wb_mode; 
+
+            // Init the decoder struct
+            speex_bits_init(&_speex_dec_bits);
+            _speex_dec_state = speex_decoder_init(_speexModePtr);      
+
+            // Init the encoder struct
+            speex_bits_init(&_speex_enc_bits);
+            _speex_enc_state = speex_encoder_init(_speexModePtr);
+
+            speex_encoder_ctl(_speex_enc_state,SPEEX_SET_SAMPLING_RATE,&_clockRate);
+
+            speex_decoder_ctl(_speex_dec_state, SPEEX_GET_FRAME_SIZE, &_speex_frame_size);
+            
+#ifdef HAVE_SPEEXDSP_LIB
+
+            int enable = 1;
+            int quality = 10;
+            int complex = 10;
+            int attenuation = -10;
+
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_VAD, &enable);
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_DTX, &enable);
+            // speex_encoder_ctl(_speex_enc_state, SPEEX_SET_VBR_QUALITY, &quality);
+            speex_encoder_ctl(_speex_enc_state, SPEEX_SET_COMPLEXITY, &complex);
+
+            // Init the decoder struct
+            speex_decoder_ctl(_speex_dec_state, SPEEX_GET_FRAME_SIZE, &_speex_frame_size);
+
+            // Init the preprocess struct
+            _preprocess_state = speex_preprocess_state_init(_speex_frame_size,_clockRate);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_DENOISE, &enable);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &attenuation);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_VAD, &enable);
+            speex_preprocess_ctl(_preprocess_state, SPEEX_PREPROCESS_SET_AGC, &enable);
+#endif
+            
+        }
+
+        ~Speex() 
+        {
+            terminateSpeex();
+        }
+
+        void terminateSpeex() {
+            // Destroy the decoder struct
+            speex_bits_destroy(&_speex_dec_bits);
+            speex_decoder_destroy(_speex_dec_state);
+            _speex_dec_state = 0;
+
+            // Destroy the encoder struct
+            speex_bits_destroy(&_speex_enc_bits);
+            speex_encoder_destroy(_speex_enc_state);
+            _speex_enc_state = 0;
+        }
+
+        virtual int codecDecode (short *dst, unsigned char *src, unsigned int size) 
+        {   
+            
+	    // int ratio = 320 / _speex_frame_size;
+            speex_bits_read_from(&_speex_dec_bits, (char*)src, size);
+            speex_decode_int(_speex_dec_state, &_speex_dec_bits, dst);
+
+	    // return the nuber of byte, not the number of sample
+            return _speex_frame_size * 2;
+        }
+
+        virtual int codecEncode (unsigned char *dst, short *src, unsigned int size) 
+        {
+            speex_bits_reset(&_speex_enc_bits);
+
+#ifdef HAVE_SPEEXDSP_LIB
+            
+            speex_preprocess_run(_preprocess_state, src);
+#endif 
+
+	    
+            speex_encode_int(_speex_enc_state, src, &_speex_enc_bits);
+	    speex_bits_nbytes(&_speex_enc_bits);
+            int nbBytes = speex_bits_write(&_speex_enc_bits, (char*)dst, size);
+
+            return nbBytes;
+        }
+
+    private:
+        const SpeexMode* _speexModePtr;
+        SpeexBits  _speex_dec_bits;
+        SpeexBits  _speex_enc_bits;
+        void *_speex_dec_state;
+        void *_speex_enc_state;
+        int _speex_frame_size;
+        SpeexPreprocessState *_preprocess_state;
+};
+
+// the class factories
+extern "C" AudioCodec* create() {
+    return new Speex(112);
+}
+
+extern "C" void destroy(AudioCodec* a) {
+    delete a;
+}
+
diff --git a/sflphone-common/src/audio/codecs/speexcodec_wb.cpp b/sflphone-common/src/audio/codecs/speexcodec_wb.cpp
index 81d27bbcb0eebee7d7a75687bf82c0a8e410b9b6..dc93f39ec1a063732ef64b718d5fe48abf572f70 100644
--- a/sflphone-common/src/audio/codecs/speexcodec_wb.cpp
+++ b/sflphone-common/src/audio/codecs/speexcodec_wb.cpp
@@ -111,8 +111,9 @@ class Speex : public AudioCodec{
 
         virtual int codecDecode (short *dst, unsigned char *src, unsigned int size) 
         {   
-            
+
             int ratio = 320 / _speex_frame_size;
+
             speex_bits_read_from(&_speex_dec_bits, (char*)src, size);
             speex_decode_int(_speex_dec_state, &_speex_dec_bits, dst);
 
@@ -128,9 +129,10 @@ class Speex : public AudioCodec{
             speex_preprocess_run(_preprocess_state, src);
 #endif 
 
+	    printf("Codec::codecEncode() size %i\n", size);
             speex_encode_int(_speex_enc_state, src, &_speex_enc_bits);
             int nbBytes = speex_bits_write(&_speex_enc_bits, (char*)dst, size);
-            printf("Codec::codecEncode() nbBytes: %i \n",nbBytes);
+	    printf("Codec::codecEncode() nbBytes %i\n", nbBytes);
             return nbBytes;
         }
 
diff --git a/sflphone-common/src/audio/pulselayer.cpp b/sflphone-common/src/audio/pulselayer.cpp
index a5b07f277b2280da0b5fea1ad6131ae5849b73e8..c8410651b536ddddecb21dc5ce513700295430fd 100644
--- a/sflphone-common/src/audio/pulselayer.cpp
+++ b/sflphone-common/src/audio/pulselayer.cpp
@@ -166,12 +166,15 @@ bool PulseLayer::createStreams( pa_context* c )
 
     pa_threaded_mainloop_signal(m , 0);
 
+    isCorked = true;
+
     return true;
 }
 
 
 bool PulseLayer::openDevice(int indexIn UNUSED, int indexOut UNUSED, int sampleRate, int frameSize , int stream UNUSED, std::string plugin UNUSED) 
 {
+
     _debug("PulseLayer::openDevice \n");
     _sampleRate = sampleRate;
     _frameSize = frameSize;	
@@ -225,35 +228,46 @@ int PulseLayer::getMic(void *buffer, int toCopy)
 void PulseLayer::startStream (void) 
 {
     // flushMic();
+    if (isCorked) {
 
-    _urgentRingBuffer.flush();
-    _micRingBuffer.flush();
-    _voiceRingBuffer.flush();
+        _urgentRingBuffer.flush();
+        _micRingBuffer.flush();
+        _voiceRingBuffer.flush();
 
-    _debug("PulseLayer::Start stream\n");
-    pa_threaded_mainloop_lock(m);
+        _debug("PulseLayer::Start stream\n");
+        pa_threaded_mainloop_lock(m);
    
-    pa_stream_cork( playback->pulseStream(), 0, NULL, NULL);
-    pa_stream_cork( record->pulseStream(), 0, NULL, NULL);
+        pa_stream_cork( playback->pulseStream(), 0, NULL, NULL);
+        pa_stream_cork( record->pulseStream(), 0, NULL, NULL);
   
-    pa_threaded_mainloop_unlock(m);
+        pa_threaded_mainloop_unlock(m);
+
+	isCorked = false;
+    }
 
 }
 
     void 
 PulseLayer::stopStream (void) 
 {
-     _debug("PulseLayer::Stop stream\n");
-     pa_stream_flush( playback->pulseStream(), NULL, NULL );
-     pa_stream_flush( record->pulseStream(), NULL, NULL );
+
+    if (!isCorked) {
+
+        _debug("PulseLayer::Stop stream\n");
+        pa_stream_flush( playback->pulseStream(), NULL, NULL );
+	pa_stream_flush( record->pulseStream(), NULL, NULL );
     
-    flushMic();
-    flushMain();
-    flushUrgent();
+	flushMic();
+	flushMain();
+	flushUrgent();
 
-    pa_stream_cork( playback->pulseStream(), 1, NULL, NULL);
-    pa_stream_cork( record->pulseStream(), 1, NULL, NULL);
+	pa_stream_cork( playback->pulseStream(), 1, NULL, NULL);
+	pa_stream_cork( record->pulseStream(), 1, NULL, NULL);
 
+	isCorked = true;
+
+    }
+	
 }
 
 
diff --git a/sflphone-common/src/audio/pulselayer.h b/sflphone-common/src/audio/pulselayer.h
index beae9eacc2b5b7400aca9ccd6d25a79b98dcd1c8..698cc9bf6b68b6ff7009b35efcccba3c664d2729 100644
--- a/sflphone-common/src/audio/pulselayer.h
+++ b/sflphone-common/src/audio/pulselayer.h
@@ -189,6 +189,8 @@ class PulseLayer : public AudioLayer {
      */
     AudioStream* record;
 
+    bool isCorked;
+
     int spkrVolume;
     int micVolume;
 
diff --git a/sflphone-common/src/managerimpl.cpp b/sflphone-common/src/managerimpl.cpp
index d4d67ad216c9c8164997206ec125a0bee50c00c1..5e01cd2d71683df845e1296c5818473a1a503f65 100644
--- a/sflphone-common/src/managerimpl.cpp
+++ b/sflphone-common/src/managerimpl.cpp
@@ -143,7 +143,7 @@ ManagerImpl::init()
     }
 
     if (audiolayer == 0)
-      audiolayer->stopStream();
+        audiolayer->stopStream();
 
 
     // Load the history
@@ -326,7 +326,14 @@ ManagerImpl::hangupCall(const CallID& id)
 
     _debug("Stop audio stream\n");
     audiolayer = getAudioDriver();
-    audiolayer->stopStream();
+
+    int nbCalls = getCallList().size();
+
+    _debug("nbCalls %i \n", nbCalls);
+
+    // stop stream 
+    if (!(nbCalls > 1))
+        audiolayer->stopStream();
 
     /* Direct IP to IP call */
     if (getConfigFromCall (id) == Call::IPtoIP) {
@@ -952,11 +959,12 @@ void ManagerImpl::stopTone (bool stopAudio=true)
     hasToPlayTone = getConfigInt(SIGNALISATION, PLAY_TONES);
     if (!hasToPlayTone)
         return;
-
+    
     if (stopAudio) {
         audiolayer = getAudioDriver();
         if (audiolayer) audiolayer->stopStream();
     }
+    
 
     _toneMutex.enterMutex();
     if (_telephoneTone != 0) {