diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index e715d9e78..8e6316b54 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -250,16 +250,20 @@ void linphone_core_set_log_collection_upload_server_url(LinphoneCore *core, cons
 	lp_config_set_string(core->config, "misc", "log_collection_upload_server_url", server_url);
 }
 
-void linphone_core_enable_log_collection(bool_t enable) {
+void linphone_core_enable_log_collection(LinphoneLogCollectionState state) {
 	/* at first call of this function, set liblinphone_log_func to the current
 	 * ortp log function */
 	if( liblinphone_log_func == NULL ){
 		liblinphone_log_func = ortp_logv_out;
 	}
-	if ((enable == TRUE) && (liblinphone_log_collection_enabled == FALSE)) {
+	if ((state != LinphoneLogCollectionDisabled) && (liblinphone_log_collection_enabled == FALSE)) {
 		liblinphone_log_collection_enabled = TRUE;
 		ortp_mutex_init(&liblinphone_log_collection_mutex, NULL);
-		liblinphone_log_func = ortp_logv_out;
+		if (state == LinphoneLogCollectionEnabledWithoutPreviousLogHandler) {
+			liblinphone_log_func = NULL;
+		} else {
+			liblinphone_log_func = ortp_logv_out;
+		}
 		ortp_set_log_handler(linphone_core_log_collection_handler);
 	} else {
 		liblinphone_log_collection_enabled = FALSE;
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 99fe701ea..be9e367a4 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -1780,12 +1780,18 @@ typedef void * (*LinphoneCoreWaitingCallback)(LinphoneCore *lc, void *context, L
 
 /* THE main API */
 
+typedef enum _LinphoneLogCollectionState {
+	LinphoneLogCollectionDisabled,
+	LinphoneLogCollectionEnabled,
+	LinphoneLogCollectionEnabledWithoutPreviousLogHandler
+} LinphoneLogCollectionState;
+
 /**
  * Enable the linphone core log collection to upload logs on a server.
  * @ingroup misc
- * @param[in] enable Boolean value telling whether to enable log collection or not.
+ * @param[in] state LinphoneLogCollectionState value telling whether to enable log collection or not.
  */
-LINPHONE_PUBLIC void linphone_core_enable_log_collection(bool_t enable);
+LINPHONE_PUBLIC void linphone_core_enable_log_collection(LinphoneLogCollectionState state);
 
 /**
  * Set the path where the log files will be written for log collection.