TTEELLEECCOOMM BBIILLLLIINNGG （TTEELLEECCOOMM BBIILLLLIINNGG）.pdf

T ELECOM B LL NG - SYST EM ARCH T ECTURE T ELECOM B LL NG - SYST EM ARCH T ECTURE http://www.tutorialspoint .com/telecom-billing/system-architecture.htm Copy right © Following diagram shows typical architecture of a Billing System. Here, we have two possibilities: CRM CustomerRelationshipManagement/OMOF OrderManagementandOrderFulfilment system contacts with the billing system and billing system contacts with provisioning system to provision the services and network inventory system as well to assign phone numbers or P addresses, etc. Second possibility could be that CRM/OMOF system itself contacts with provisioning system to provision the services and network inventory system as well to assign phone numbers or P addresses, etc. Typical Billing Process: Considering above system architecture:- After a call is made or you can say a usage is generated by the end customer, the mediation system gathers usage data from the network switch and builds a call-detail record CDR . T his CDR must contain A party number and B party number, the start and end date times. T he CDR is then stored until it can be rated. To rate the call, the CDR is examined to see if the call is, for example, a 800 number, a local call that is covered by a local-area calling plan, international call or a toll call. nformation such as the time of the call was placed and city code or country codes are used to calculate the rate for the call. Once each call is rated, this information is stored until the invoice is run, usually once a month. When the invoice is run, other nonusage charges, such as discounts or monthly fees, can be applied to the bill or sometime called invoice. T here could be rating time discount or billing time discount, different payments done by the customers, different adj ustments given, all this information contributes in final invoice generation. T his in