diff --git a/ui/qt/models/voip_calls_info_model.cpp b/ui/qt/models/voip_calls_info_model.cpp
index c3caebc9f3..5baed965e3 100644
--- a/ui/qt/models/voip_calls_info_model.cpp
+++ b/ui/qt/models/voip_calls_info_model.cpp
@@ -198,6 +198,13 @@ void VoipCallsInfoModel::updateCalls(GQueue *callsinfos)
     }
 }
 
+void VoipCallsInfoModel::removeAllCalls()
+{
+    beginRemoveRows(QModelIndex(), 0, rowCount() - 1);
+    callinfos_.clear();
+    endRemoveRows();
+}
+
 
 // Proxy model that allows columns to be sorted.
 VoipCallsInfoSortedModel::VoipCallsInfoSortedModel(QObject *parent) :
diff --git a/ui/qt/models/voip_calls_info_model.h b/ui/qt/models/voip_calls_info_model.h
index 3f8931d380..dc833b2c1e 100644
--- a/ui/qt/models/voip_calls_info_model.h
+++ b/ui/qt/models/voip_calls_info_model.h
@@ -33,6 +33,7 @@ public:
     void setTimeOfDay(bool timeOfDay);
     bool timeOfDay() const;
     void updateCalls(GQueue *callsinfos);
+    void removeAllCalls();
 
     static voip_calls_info_t *indexToCallInfo(const QModelIndex &index);
 
diff --git a/ui/qt/voip_calls_dialog.cpp b/ui/qt/voip_calls_dialog.cpp
index 051cfda3be..29008ddc34 100644
--- a/ui/qt/voip_calls_dialog.cpp
+++ b/ui/qt/voip_calls_dialog.cpp
@@ -81,6 +81,7 @@ VoipCallsDialog::VoipCallsDialog(QWidget &parent, CaptureFile &cf, bool all_flow
 
     memset (&tapinfo_, 0, sizeof(tapinfo_));
     tapinfo_.tap_packet = tapPacket;
+    tapinfo_.tap_reset = tapReset;
     tapinfo_.tap_draw = tapDraw;
     tapinfo_.tap_data = this;
     tapinfo_.callsinfos = g_queue_new();
@@ -176,10 +177,13 @@ void VoipCallsDialog::changeEvent(QEvent *event)
     QDialog::changeEvent(event);
 }
 
-//void VoipCallsDialog::tapReset(void *)
-//{
-//    voip_calls_tapinfo_t *tapinfo = (voip_calls_tapinfo_t *) tapinfo_ptr;
-//}
+void VoipCallsDialog::tapReset(void *tapinfo_ptr)
+{
+    voip_calls_tapinfo_t *tapinfo = static_cast<voip_calls_tapinfo_t *>(tapinfo_ptr);
+    VoipCallsDialog *voip_calls_dialog = static_cast<VoipCallsDialog *>(tapinfo->tap_data);
+    voip_calls_dialog->call_infos_model_->removeAllCalls();
+    voip_calls_reset_all_taps(tapinfo);
+}
 
 tap_packet_status VoipCallsDialog::tapPacket(void *, packet_info *, epan_dissect_t *, const void *)
 {
diff --git a/ui/qt/voip_calls_dialog.h b/ui/qt/voip_calls_dialog.h
index f1bf5c5efb..e28a46b6b0 100644
--- a/ui/qt/voip_calls_dialog.h
+++ b/ui/qt/voip_calls_dialog.h
@@ -68,7 +68,7 @@ private:
     bool voip_calls_tap_listeners_removed_;
 
     // Tap callbacks
-//    static void tapReset(void *tapinfo_ptr);
+    static void tapReset(void *tapinfo_ptr);
     static tap_packet_status tapPacket(void *tapinfo_ptr, packet_info *pinfo, epan_dissect_t *, const void *data);
     static void tapDraw(void *tapinfo_ptr);
 
diff --git a/ui/voip_calls.c b/ui/voip_calls.c
index 8613411035..c52548a95d 100644
--- a/ui/voip_calls.c
+++ b/ui/voip_calls.c
@@ -286,7 +286,10 @@ voip_calls_reset_all_taps(voip_calls_tapinfo_t *tapinfo)
     g_queue_clear(tapinfo->callsinfos);
     /* free the SIP_HASH */
     if(NULL!=tapinfo->callsinfo_hashtable[SIP_HASH])
+    {
         g_hash_table_remove_all (tapinfo->callsinfo_hashtable[SIP_HASH]);
+        tapinfo->callsinfo_hashtable[SIP_HASH] = NULL;
+    }
 
     /* free the strinfo data items first */
     list = g_list_first(tapinfo->rtpstream_list);