diff --git a/res/res_pjsip_dtmf_info.c b/res/res_pjsip_dtmf_info.c
index b6a0b4a1ec..78d529c30b 100644
--- a/res/res_pjsip_dtmf_info.c
+++ b/res/res_pjsip_dtmf_info.c
@@ -89,7 +89,13 @@ static int dtmf_info_incoming_request(struct ast_sip_session *session, struct pj
 	char event = '\0';
 	unsigned int duration = 100;
 
-	char is_dtmf = is_media_type(rdata, "dtmf");
+	char is_dtmf;
+
+	if (!session->channel) {
+		return 0;
+	}
+
+	is_dtmf = is_media_type(rdata, "dtmf");
 
 	if (!is_dtmf && !is_media_type(rdata, "dtmf-relay")) {
 		return 0;
diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c
index 91e3abed8a..bbd74eeb58 100644
--- a/res/res_pjsip_session.c
+++ b/res/res_pjsip_session.c
@@ -2627,6 +2627,10 @@ static pjsip_redirect_op session_inv_on_redirected(pjsip_inv_session *inv, const
 	struct ast_sip_session *session = inv->mod_data[session_module.id];
 	const pjsip_sip_uri *uri;
 
+	if (!session->channel) {
+		return PJSIP_REDIRECT_STOP;
+	}
+
 	if (session->endpoint->redirect_method == AST_SIP_REDIRECT_URI_PJSIP) {
 		return PJSIP_REDIRECT_ACCEPT;
 	}