The top documents tagged [challenges of billing]

Management IQ - Intelligent Convergent Billing Living Convergent Billing Hutchison 3G Austria Kurt Teichenthaler Head of BSS Martin Baumgartner Billing.

Management IQ - Intelligent Convergent Billing Living Convergent Billing Hutchison 3G Austria Kurt Teichenthaler Head of BSS Martin Baumgartner Billing.

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