if no extension is specified on an overlap call, use the 's' extension (bug #4317)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@5903 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 6b313367f21dbb040a065d43c75b1cd66f2a5d91..4e3fa489f0f09b0870971a38a75652edd67256e0 100755 (executable)
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -4638,6 +4638,13 @@ static void *ss_thread(void *data)
                        } else
                                break;
                }
+               /* if no extension was received ('unspecified') on overlap call, use the 's' extension */
+               if (ast_strlen_zero(exten)) {
+                       if (option_verbose > 2)
+                               ast_verbose(VERBOSE_PREFIX_3 "Going to extension s|1 because of empty extension received on overlap call\n");
+                       exten[0] = 's';
+                       exten[1] = '\0';
+               }
                tone_zone_play_tone(p->subs[index].zfd, -1);
                if (ast_exists_extension(chan, chan->context, exten, 1, p->callerid)) {
                        /* Start the real PBX */