in this video i will guide you through the video to tell the topic of google docs operating system where i have to explain it in detail.

Telecom charging programming is a product program that helps organizations with the most common way to charge their customers for telecom administrations. Telecom charging programs can be used for a variety of purposes, for example, selling telephone facilities, selling satellite television, selling long distance administrations, selling mobile administrations, and that's just the tip of the iceberg. The program is normally used to screen how much a customer uses, what their costs are, and to calculate the costs of administrations and tasks.

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