This report provides an overview of presence-based services (PBS) market. It details the status of the market today, as well as the migration through various stages of service integration and unification. PBS is one aspect of IP-based applications service development and provisioning currently being rolled out in the marketplace.
Service providers are in the midst of a gradual evolution from circuit-switched infrastructures to IP-based packet-switched infrastructures. While much of this evolution to date has taken place in the transport and access parts of the network, there are now enhanced services that are being developed and refined. In particular, the architecture of-and market for-next-generation enhanced services is beginning to take shape.
Presence Based Service (PBS) ensures personalization of modes of communication preferred by the user by defining the availability and receptivity of contacts to engage in real-time text and voice communications. The market forecast focuses on mobile instant messaging (IM) and push-to-talk (PTT) services delivered over 2.5G- and 3G-enabled mobile devices.
Traditional carriers see IP application platforms as a means of beginning their slow migration to fully-convergent IP-based networks and services. Some view the highly personalized services enabled by IP as the ultimate "sticky" applications that will stem the tide of customer churn. Other carriers desire new, affordable service applications that will bring additional revenue streams. Every carrier is looking for new ways to enhance their service suites, which are rapidly becoming commoditized.
Interestingly, wireless carriers seem to be making headway when it comes to the adoption of new architectural and service paradigms. Given the bandwidth constraints of the medium, the gap between 2G and 3G has been covered in less than a decade. There are compelling reasons for this phenomenon. Wireless architectures have been exposed and have embraced open standards very early in their development lifecycles; therefore, interoperability issues are less formidable as compared to their wireline counterparts. As a corollary, wireless subscribers are reaping the benefits of rich services developed by a large number of vendors.
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