Analysis of information sources in references of the Wikipedia article "Telecommunications billing" in English language version.
'Billing' is the group of processes and systems that are responsible for collection of appropriate usage records, determining charging and billing information, production of timely and accurate bills, for providing pre-bill use information and billing to customers, for processing their payments, and performing payment collections
'Billing' is the group of processes and systems that are responsible for collection of appropriate usage records, determining charging and billing information, production of timely and accurate bills, for providing pre-bill use information and billing to customers, for processing their payments, and performing payment collections
