This works just fine for me (using Oracle Database 11g Express Edition Release 11.2.0.2.0
).
declare
v_xml clob;
begin
v_xml :=
'<FAX>
<EMAILOG>
<ID>7839</ID>
<RESPONSE>FAX SENT</RESPONSE>
</EMAILOG>
<EMAILOG>
<ID>7566</ID>
<RESPONSE>FAX NOT SENT</RESPONSE>
</EMAILOG>
</FAX>';
proc_upd_email_records(v_xml);
end;