diff --git a/bindings/_common/SipStack.i b/bindings/_common/SipStack.i
index 024347a9..b46d8320 100755
--- a/bindings/_common/SipStack.i
+++ b/bindings/_common/SipStack.i
@@ -185,41 +185,42 @@ tsip_options_event_type_t;
 typedef enum tsip_invite_event_type_e
 {
 	// ============================
-	//	Sip Events
-	//
-	tsip_i_newcall,
-	
-	//! in-dialog requests/reponses
-	tsip_i_request,
-	tsip_ao_request,
-	
-	/* 3GPP TS 24.629: Explicit Call Transfer (ECT) */
-	tsip_o_ect_trying,
-	tsip_o_ect_accepted,
-	tsip_o_ect_completed,
-	tsip_o_ect_failed,
-	tsip_o_ect_notify,
-	tsip_i_ect_requested,
-	tsip_i_ect_newcall,
-	tsip_i_ect_completed,
-	tsip_i_ect_failed,
-	tsip_i_ect_notify,
-	
-	// ============================
-	//	Media Events
-	//
+    //	Sip Events
+    //
+    tsip_i_newcall,
+    tsip_i_prechecking,
 
-	tsip_m_early_media,
-	tsip_m_updating, // Trying to update from Audio -> Video for example
-	tsip_m_updated, // succeed to update
-	
-	/* 3GPP TS 24.610: Communication Hold */
-	tsip_m_local_hold_ok,
-	tsip_m_local_hold_nok,
-	tsip_m_local_resume_ok,
-	tsip_m_local_resume_nok,
-	tsip_m_remote_hold,
-	tsip_m_remote_resume,
+    //! in-dialog requests/reponses
+    tsip_i_request,
+    tsip_ao_request,
+
+    /* 3GPP TS 24.629: Explicit Call Transfer (ECT) */
+    tsip_o_ect_trying,
+    tsip_o_ect_accepted,
+    tsip_o_ect_completed,
+    tsip_o_ect_failed,
+    tsip_o_ect_notify,
+    tsip_i_ect_requested,
+    tsip_i_ect_newcall,
+    tsip_i_ect_completed,
+    tsip_i_ect_failed,
+    tsip_i_ect_notify,
+
+    // ============================
+    //	Media Events
+    //
+
+    tsip_m_early_media,
+    tsip_m_updating, // Trying to update from Audio -> Video for example
+    tsip_m_updated, // succeed to update
+
+    /* 3GPP TS 24.610: Communication Hold */
+    tsip_m_local_hold_ok,
+    tsip_m_local_hold_nok,
+    tsip_m_local_resume_ok,
+    tsip_m_local_resume_nok,
+    tsip_m_remote_hold,
+    tsip_m_remote_resume,
 }
 tsip_invite_event_type_t;
 
diff --git a/bindings/csharp/tsip_invite_event_type_t.cs b/bindings/csharp/tsip_invite_event_type_t.cs
index f3f025c8..de8e5f61 100755
--- a/bindings/csharp/tsip_invite_event_type_t.cs
+++ b/bindings/csharp/tsip_invite_event_type_t.cs
@@ -10,6 +10,7 @@ namespace org.doubango.tinyWRAP {
 
 public enum tsip_invite_event_type_t {
   tsip_i_newcall,
+  tsip_i_prechecking,
   tsip_i_request,
   tsip_ao_request,
   tsip_o_ect_trying,
diff --git a/bindings/java/android/tsip_invite_event_type_t.java b/bindings/java/android/tsip_invite_event_type_t.java
index 9c84c577..93009285 100755
--- a/bindings/java/android/tsip_invite_event_type_t.java
+++ b/bindings/java/android/tsip_invite_event_type_t.java
@@ -10,6 +10,7 @@ package org.doubango.tinyWRAP;
 
 public enum tsip_invite_event_type_t {
   tsip_i_newcall,
+  tsip_i_prechecking,
   tsip_i_request,
   tsip_ao_request,
   tsip_o_ect_trying,
diff --git a/bindings/java/tsip_invite_event_type_t.java b/bindings/java/tsip_invite_event_type_t.java
index 9c84c577..93009285 100755
--- a/bindings/java/tsip_invite_event_type_t.java
+++ b/bindings/java/tsip_invite_event_type_t.java
@@ -10,6 +10,7 @@ package org.doubango.tinyWRAP;
 
 public enum tsip_invite_event_type_t {
   tsip_i_newcall,
+  tsip_i_prechecking,
   tsip_i_request,
   tsip_ao_request,
   tsip_o_ect_trying,
diff --git a/bindings/perl/tinyWRAP.pm b/bindings/perl/tinyWRAP.pm
index a375abd9..03c7f8c1 100755
--- a/bindings/perl/tinyWRAP.pm
+++ b/bindings/perl/tinyWRAP.pm
@@ -2610,6 +2610,7 @@ package tinyWRAP;
 *tsip_i_options = *tinyWRAPc::tsip_i_options;
 *tsip_ao_options = *tinyWRAPc::tsip_ao_options;
 *tsip_i_newcall = *tinyWRAPc::tsip_i_newcall;
+*tsip_i_prechecking = *tinyWRAPc::tsip_i_prechecking;
 *tsip_i_request = *tinyWRAPc::tsip_i_request;
 *tsip_ao_request = *tinyWRAPc::tsip_ao_request;
 *tsip_o_ect_trying = *tinyWRAPc::tsip_o_ect_trying;
diff --git a/bindings/perl/tinyWRAP_wrap.cxx b/bindings/perl/tinyWRAP_wrap.cxx
index a9bc994a..fdfea1da 100755
--- a/bindings/perl/tinyWRAP_wrap.cxx
+++ b/bindings/perl/tinyWRAP_wrap.cxx
@@ -29793,6 +29793,11 @@ XS(SWIG_init) {
     sv_setsv(sv, SWIG_From_int  SWIG_PERL_CALL_ARGS_1(static_cast< int >(tsip_i_newcall)));
     SvREADONLY_on(sv);
   } while(0) /*@SWIG@*/;
+  /*@SWIG:/usr/local/share/swig/2.0.9/perl5/perltypemaps.swg,65,%set_constant@*/ do {
+    SV *sv = get_sv((char*) SWIG_prefix "tsip_i_prechecking", TRUE | 0x2 | GV_ADDMULTI);
+    sv_setsv(sv, SWIG_From_int  SWIG_PERL_CALL_ARGS_1(static_cast< int >(tsip_i_prechecking)));
+    SvREADONLY_on(sv);
+  } while(0) /*@SWIG@*/;
   /*@SWIG:/usr/local/share/swig/2.0.9/perl5/perltypemaps.swg,65,%set_constant@*/ do {
     SV *sv = get_sv((char*) SWIG_prefix "tsip_i_request", TRUE | 0x2 | GV_ADDMULTI);
     sv_setsv(sv, SWIG_From_int  SWIG_PERL_CALL_ARGS_1(static_cast< int >(tsip_i_request)));
diff --git a/bindings/python/tinyWRAP.py b/bindings/python/tinyWRAP.py
index f2f155dc..9d9bc55f 100755
--- a/bindings/python/tinyWRAP.py
+++ b/bindings/python/tinyWRAP.py
@@ -1755,6 +1755,7 @@ tsip_ao_info = _tinyWRAP.tsip_ao_info
 tsip_i_options = _tinyWRAP.tsip_i_options
 tsip_ao_options = _tinyWRAP.tsip_ao_options
 tsip_i_newcall = _tinyWRAP.tsip_i_newcall
+tsip_i_prechecking = _tinyWRAP.tsip_i_prechecking
 tsip_i_request = _tinyWRAP.tsip_i_request
 tsip_ao_request = _tinyWRAP.tsip_ao_request
 tsip_o_ect_trying = _tinyWRAP.tsip_o_ect_trying
diff --git a/bindings/python/tinyWRAP_wrap.cxx b/bindings/python/tinyWRAP_wrap.cxx
index 445f1440..82042618 100755
--- a/bindings/python/tinyWRAP_wrap.cxx
+++ b/bindings/python/tinyWRAP_wrap.cxx
@@ -28586,6 +28586,7 @@ SWIG_init(void) {
   SWIG_Python_SetConstant(d, "tsip_i_options",SWIG_From_int(static_cast< int >(tsip_i_options)));
   SWIG_Python_SetConstant(d, "tsip_ao_options",SWIG_From_int(static_cast< int >(tsip_ao_options)));
   SWIG_Python_SetConstant(d, "tsip_i_newcall",SWIG_From_int(static_cast< int >(tsip_i_newcall)));
+  SWIG_Python_SetConstant(d, "tsip_i_prechecking",SWIG_From_int(static_cast< int >(tsip_i_prechecking)));
   SWIG_Python_SetConstant(d, "tsip_i_request",SWIG_From_int(static_cast< int >(tsip_i_request)));
   SWIG_Python_SetConstant(d, "tsip_ao_request",SWIG_From_int(static_cast< int >(tsip_ao_request)));
   SWIG_Python_SetConstant(d, "tsip_o_ect_trying",SWIG_From_int(static_cast< int >(tsip_o_ect_trying)));