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-rw-r--r--pjsip/src/pjsip-ua/sip_reg.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/pjsip/src/pjsip-ua/sip_reg.c b/pjsip/src/pjsip-ua/sip_reg.c
index fda28d70..e9f77ac1 100644
--- a/pjsip/src/pjsip-ua/sip_reg.c
+++ b/pjsip/src/pjsip-ua/sip_reg.c
@@ -835,6 +835,9 @@ PJ_DEF(pj_status_t) pjsip_regc_send(pjsip_regc *regc, pjsip_tx_data *tdata)
pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
cseq_hdr->cseq = cseq;
+ /* Bind to transport selector */
+ pjsip_tx_data_set_transport(tdata, &regc->tp_sel);
+
/* Increment pending transaction first, since transaction callback
* may be called even before send_request() returns!
*/