Calling Name Delivery Service (CNDS means a service that enables a terminating End User to identify the calling Party by a displayed name before a call is answered. The calling Party’s name is retrieved from a calling name database and delivered to the End User’s premise between the first and second ring for display on compatible End User premises equipment.
Location Routing Number (LRN means the ten (10) digit number that is assigned to the network switching elements (Central Office–Host and Remotes as required) for the routing of calls in the network. The first six (6) digits of the LRN will be one of the assigned NPA NXX of the switching element. The purpose and functionality of the last four (4) digits of the LRN have not yet been defined but are passed across the network to the terminating switch.
Busy Line Verification (BLV means a service whereby an End User requests an operator to confirm the busy status of a line.