Systems, methods and apparatuses for maintaining services within {HEAD ~ a telecommunications network} having separate service providers and {TAIL ~ network providers} 
having
Systems , methods and apparatuses for maintaining services within { HEAD ~ a telecommunications network } having separate service providers and { TAIL ~ network providers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL