let multitone support unitone

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4685 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/libs/libteletone/src/libteletone_detect.c b/libs/libteletone/src/libteletone_detect.c
index cc12c8b2507af610d638295cf03c7b8ecdae0b57..9e5e850eb6b19acad97f80cbdb701040028ba989 100644 (file)
--- a/libs/libteletone/src/libteletone_detect.c
+++ b/libs/libteletone/src/libteletone_detect.c
@@ -217,7 +217,7 @@ int teletone_multi_tone_detect (teletone_multi_tone_t *mt,
                        gtest += teletone_goertzel_result (&mt->gs2[x]) < eng_all[x] ? 1 : 0;
                }
 
-               if (gtest >= 2 && eng_sum > 42.0 * mt->energy) {
+               if ((gtest >= 2 || gtest == mt->tone_count) && eng_sum > 42.0 * mt->energy) {
                        if(mt->negatives) {
                                mt->negatives--;
                        }