The communications unit 33 wherein said transceiver sends an indication of {HEAD ~ communications services} corresponding to said desired communications services and {TAIL ~ alternative services}, all such communications services available to the communications unit 
corresponding to
The communications unit 33 wherein said transceiver sends an indication of { HEAD ~ communications services } corresponding to said desired communications services and { TAIL ~ alternative services } , all such communications services available to the communications unit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH