diff --git a/coreapi/misc.c b/coreapi/misc.c
index 927c3b55a..e84c8cce9 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -43,7 +43,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <net/if.h>
 #include <ifaddrs.h>
 #endif
-
+#include <math.h>
 
 #if !defined(WIN32)
 
@@ -244,7 +244,7 @@ static double get_audio_payload_bandwidth(LinphoneCore *lc, const PayloadType *p
 }
 
 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt){
-	call->audio_bw=(int)(get_audio_payload_bandwidth(call->core,pt)/1000.0);
+	call->audio_bw=(int)(ceil(get_audio_payload_bandwidth(call->core,pt)/1000.0)); /*rounding codec bandwidth should be avoid, specially for AMR*/
 	ms_message("Audio bandwidth for this call is %i",call->audio_bw);
 }