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-rw-r--r--res/res_pjsip_refer.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/res/res_pjsip_refer.c b/res/res_pjsip_refer.c
index 20e3012b1..efcee67a2 100644
--- a/res/res_pjsip_refer.c
+++ b/res/res_pjsip_refer.c
@@ -691,11 +691,16 @@ static int refer_incoming_attended_request(struct ast_sip_session *session, pjsi
static int refer_incoming_blind_request(struct ast_sip_session *session, pjsip_rx_data *rdata, pjsip_sip_uri *target,
struct refer_progress *progress)
{
- const char *context = (session->channel ? pbx_builtin_getvar_helper(session->channel, "TRANSFER_CONTEXT") : "");
+ const char *context;
char exten[AST_MAX_EXTENSION];
struct refer_blind refer = { 0, };
+ if (!session->channel) {
+ return 404;
+ }
+
/* If no explicit transfer context has been provided use their configured context */
+ context = pbx_builtin_getvar_helper(session->channel, "TRANSFER_CONTEXT");
if (ast_strlen_zero(context)) {
context = session->endpoint->context;
}