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A Call Accounting System is a telecommunications software or hardware application that captures, records, and costs telephone usage events. Internationally call accounting systems may be referred to as call logging systems. Call accounting systems detect outbound and inbound calls, call ring outs, call routings, abandoned calls, and other activities How Call Accounting Systems Work Generally, call accounting systems collect data from a key system, a PBX, iPBX, or Voice over IP (VOIP) gateway generated by service activity on all or selected phone extensions or devices. The system attaches costs and possibly revenues to that activity. Call accounting systems in the United States and its territories must cost and surcharge phone activity using metered rates structured round the North American Numbering Plan (NANP). More sophisticated call accounting systems will actually provision services on the PBX's and communications servers. Traditional PBX's send calling activity information out of a serial port or via a proprietary TCP/IP network service. The call accounting system has a capturing module or a capturing hardware device that is then able to store the data and feed data to and from the rating engine. More recent iPBX's provide access to information by retaining it in online data bases for extraction by external systems. The voice related data collected usually includes calling party, date, time, duration, destination party and authorization or account code. This data is sometimes called Call Detail Recording (CDR) or Station Message Detail Recording (SMDR).( from Wikipedia)
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Why Call Accounting?
Telecommunications generally represent the second or third largest monthly expense in an
organization; telephone calls typically account for 75% of this amount. Contemporary telephone
systems provide information useful to help manage these expenses.
It is essential to implement a control system to capture and provide access to this information. Call
Detail Records (CDR) produced by telephone systems are the basis of Call Accounting: a proven
method for costing and allocating telephone expenses.
Call Accounting is the process of collecting, analyzing and reporting call record information. Some
of the benefits of Call Accounting include:
Reduce phone usage costs up to 30% with fewer/shorter calls.
Allocate costs to departments or tenants based on actual usage.
Bill back clients for calls made on their behalf. Review and manage employees with heavy
telephone usage.
Verify telephone system call routing accuracy.
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