English to Spanish Tech/Engineering Telecom(munications)

Tengo dudas acerca del término "occasions" y "ARPU" en esta frase.
Les pongo un poco más de contexto:

High mobile penetration rates and the commoditization of voice services are driving a shift in strategy from customer acquisition to increasing the full and unique value of the network for consumers.

With the goal of monetizing their customer base, communications service providers require solutions that more effectively up-sell and cross-sell their products and services, increase mobile data revenues, and create long-term value in new business models.