diff --git a/telephony/asterisk/pjsip.conf b/telephony/asterisk/pjsip.conf
index 8aec806..15e9542 100644
--- a/telephony/asterisk/pjsip.conf
+++ b/telephony/asterisk/pjsip.conf
@@ -30,6 +30,7 @@ force_rport=yes
 rewrite_contact=yes
 rtp_symmetric=yes
 transport=transport-ws
+from_domain=localhost
 
 [1001](fedeo-webrtc)
 auth=1001-auth