For providers of interpersonal communications services who exert control over at least some elements of the network or have a service level agreement to that effect with undertakings providing access to the network
Do sholáthraithe seirbhísí cumarsáide idirphearsanta a dhéanann rialú ar eilimintí áirithe den líonra ar a laghad nó a rinne comhaontú ar leibhéal seirbhíse chuige sin le gnóthais a thugann rochtain ar an líonra