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-rw-r--r--res/res_fax.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/res/res_fax.c b/res/res_fax.c
index e37fe1ded..55e30b0c2 100644
--- a/res/res_fax.c
+++ b/res/res_fax.c
@@ -1775,7 +1775,14 @@ static int acf_faxopt_write(struct ast_channel *chan, const char *cmd, char *dat
ast_debug(3, "channel '%s' setting FAXOPT(%s) to '%s'\n", chan->name, data, value);
if (!strcasecmp(data, "ecm")) {
- details->option.ecm = ast_true(value) ? 1 : 0;
+ const char *val = ast_skip_blanks(value);
+ if (ast_true(val)) {
+ details->option.ecm = AST_FAX_OPTFLAG_TRUE;
+ } else if (ast_false(val)) {
+ details->option.ecm = AST_FAX_OPTFLAG_FALSE;
+ } else {
+ ast_log(LOG_WARNING, "Unsupported value '%s' passed to FAXOPT(ecm).\n", value);
+ }
} else if (!strcasecmp(data, "headerinfo")) {
ast_string_field_set(details, headerinfo, value);
} else if (!strcasecmp(data, "localstationid")) {