{HEAD ~ A customer computer} connects to an online service provider by phone, {TAIL ~ Internet}, or other telecommunications link 
connects by
{ HEAD ~ A customer computer } connects to an online service provider by phone , { TAIL ~ Internet } , or other telecommunications link
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH