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