if (ast_test_flag(&flags, WAITEXTEN_MOH) && !opts[0] ) {
ast_log(LOG_WARNING, "The 'm' option has been specified for WaitExten without a class.\n");
} else if (ast_test_flag(&flags, WAITEXTEN_MOH)) {
- ast_indicate_data(chan, AST_CONTROL_HOLD, opts[0], strlen(opts[0]));
+ ast_indicate_data(chan, AST_CONTROL_HOLD, S_OR(opts[0], NULL), strlen(opts[0]));
} else if (ast_test_flag(&flags, WAITEXTEN_DIALTONE)) {
struct ast_tone_zone_sound *ts = ast_get_indication_tone(chan->zone, "dial");
if (ts) {