The present invention relates to {HEAD ~ communications systems} that provide {TAIL ~ service} to communications units over a plurality of coverage areas and more specifically to providing contact information for such a unit identified by a uniform resource name  
provide
The present invention relates to { HEAD ~ communications systems } that provide { TAIL ~ service } to communications units over a plurality of coverage areas and more specifically to providing contact information for such a unit identified by a uniform resource name
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH