Index: coreapi/linphonecore.c
===================================================================
RCS file: /sources/linphone/linphone/coreapi/linphonecore.c,v
retrieving revision 1.202
diff -u -p -r1.202 linphonecore.c
--- coreapi/linphonecore.c	14 Dec 2007 16:18:28 -0000	1.202
+++ coreapi/linphonecore.c	2 Jan 2008 18:38:47 -0000
@@ -1724,7 +1724,7 @@ void linphone_core_send_dtmf(LinphoneCor
 		snprintf(dtmf_body, 999, "Signal=%c\r\nDuration=250\r\n", dtmf);
 		osip_message_set_body(msg,dtmf_body,strlen(dtmf_body));
 		osip_message_set_content_type(msg,"application/dtmf-relay");
-		snprintf(clen,sizeof(clen),"%u",(unsigned int)strlen(dtmf_body));
+		snprintf(clen,sizeof(clen),"%zi",strlen(dtmf_body));
 		osip_message_set_content_length(msg,clen);
 		
 		eXosip_lock();