An interface,5, wherein the means for locating {TAIL ~ an idle switched port} include means for differentiating between ports set for {HEAD ~ incoming and outgoing switched calls} through the gateway, and between remote procedure calls requesting incoming and outgoing switched calls through the gateway 
An interface,5 , wherein the means for locating { TAIL ~ an idle switched port } include means for differentiating between ports set for { HEAD ~ incoming and outgoing switched calls } through the gateway , and between remote procedure calls requesting incoming and outgoing switched calls through the gateway
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH