copy var

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16902 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia.c

@@ -465,6 +465,8 @@ void sofia_handle_sip_i_bye(switch_core_session_t *session, int status,
 	switch_snprintf(st, sizeof(st), "%d", status);
 	switch_channel_set_variable(channel, "sip_term_status", st);
 	switch_snprintf(st, sizeof(st), "sip:%d", status);
+	switch_channel_set_variable_partner(channel, SWITCH_PROTO_SPECIFIC_HANGUP_CAUSE_VARIABLE, st);
+	switch_channel_set_variable(channel, SWITCH_PROTO_SPECIFIC_HANGUP_CAUSE_VARIABLE, st);
 
 	if (phrase) {
 		switch_channel_set_variable_partner(channel, "sip_hangup_phrase", phrase);