{HEAD ~ Method} for transmitting {TAIL ~ data} in a telecommunications network and switch for implementing said method 
for transmitting
{ HEAD ~ Method } for transmitting { TAIL ~ data } in a telecommunications network and switch for implementing said method
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH