+void linphone_core_stop_dtmf_stream(LinphoneCore* lc);
+
+
+typedef bool_t (*LinphoneCoreIterateHook)(void *data);
+
+void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data);
+
+void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data);
+/**
+ * @ingroup misc
+ *Function to get call country code from ISO 3166-1 alpha-2 code, ex: FR returns 33
+ *@param iso country code alpha2
+ *@return call country code or -1 if not found
+ */
+int linphone_dial_plan_lookup_ccc_from_iso(const char* iso);
+/**
+ * @ingroup misc
+ *Function to get call country code from an e164 number, ex: +33952650121 will return 33
+ *@param e164 phone number
+ *@return call country code or -1 if not found
+ */
+int linphone_dial_plan_lookup_ccc_from_e164(const char* e164);