don't tolerate blank proto

diff --git a/src/switch_ivr.c b/src/switch_ivr.c
index 0721639bb9116dae9c2f8937e47d2e38ee61c226..bb3886e341c0b8ce06f4bdd3d7eae93d7482c4f7 100644 (file)
--- a/src/switch_ivr.c
+++ b/src/switch_ivr.c
@@ -3175,7 +3175,7 @@ SWITCH_DECLARE(char *) switch_ivr_check_presence_mapping(const char *exten_name,
                        const char *regex = switch_xml_attr(x_exten, "regex");
                        const char *proto = switch_xml_attr(x_exten, "proto");
                        
-                       if (regex && proto) {
+                       if (!zstr(regex) && !zstr(proto)) {
                                proceed = switch_regex_perform(exten_name, regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
                                switch_regex_safe_free(re);