FS-3386 this is probably relevant, try this revision

diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 6823acf13394d846dca2106efa1e36dee83b9170..81a04792b57457fe5896169adb13f10f2a54d719 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -7819,7 +7819,7 @@ void sofia_handle_sip_i_invite(nua_t *nua, sofia_profile_t *profile, nua_handle_
 
 
        tech_pvt->sofia_private = sofia_private;
-       tech_pvt->nh = nua_handle_ref(nh);
+       tech_pvt->nh = nh;
        
        if (profile->pres_type && sofia_test_pflag(profile, PFLAG_IN_DIALOG_CHAT)) {
                sofia_presence_set_chat_hash(tech_pvt, sip);