Please add support for the following AVP: TCP-Source-Port

edit

 <attribute code="2843"
           name="TCP-Source-Port"
           vendorName="3GPP"
           specification="TS 29.212"
           version="14.3.0"
           format="UNSIGNED32"
           mFlag="FORBIDDEN"
           pFlag="OPTIONAL"
           vFlag="REQUIRED"
           encrypt="true"
           register="true"
           proprietary="false"/>