Foreword
As a major telecommunications company, our business consists of a complex mix of products and services. Some are decades old, and some are only emerging. In just one part of our business, customers now access sophisticated business processes via myriad mobile devices operating on multiple platforms, technologies, and standards. The mobile access revolution is only one example of the continual change we must master. In several of our new markets, some of our competitors were not even on the radar ten years ago.
The IT systems that service our customers have been built over decades of changing regulatory frameworks, intense competition, and M&A activity; these systems provide mission-critical network management, billing, and customer service ...
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