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