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-rw-r--r--main/cdr.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/main/cdr.c b/main/cdr.c
index 3fc8ef1de..7847dc456 100644
--- a/main/cdr.c
+++ b/main/cdr.c
@@ -301,9 +301,9 @@ void ast_cdr_getvar(struct ast_cdr *cdr, const char *name, char **ret, char *wor
cdr_get_tv(cdr->answer, raw ? NULL : fmt, workspace, workspacelen);
else if (!strcasecmp(name, "end"))
cdr_get_tv(cdr->end, raw ? NULL : fmt, workspace, workspacelen);
- else if (!strcasecmp(name, "duration"))
- snprintf(workspace, workspacelen, "%ld", cdr->duration ? cdr->duration : (long)ast_tvdiff_ms(ast_tvnow(), cdr->start) / 1000);
- else if (!strcasecmp(name, "billsec"))
+ else if (!strcasecmp(name, "duration")) {
+ snprintf(workspace, workspacelen, "%ld", cdr->end.tv_sec != 0 ? cdr->duration : (long)ast_tvdiff_ms(ast_tvnow(), cdr->start) / 1000);
+ } else if (!strcasecmp(name, "billsec"))
snprintf(workspace, workspacelen, "%ld", cdr->billsec || cdr->answer.tv_sec == 0 ? cdr->billsec : (long)ast_tvdiff_ms(ast_tvnow(), cdr->answer) / 1000);
else if (!strcasecmp(name, "disposition")) {
if (raw) {