A clear roadmap for fixed-mobile convergence.
Fixed-mobile convergence (FMC) has a variety of meaning. For some, it means a convergence of functions in the core of the network, generally around the IMS architecture. More often, however, fixed-mobile convergence means enabling a person to make and receive calls via the most optimal technology at the moment, wherever they may be. This may be via a cellular network, a traditional TDM phone network, wired IP network or as is increasingly the case, a Wi-Fi network.
As the demand for user mobility increases, and as the size and breadth of the virtual enterprise expands exponentially, it is imperative that a clear roadmap for fixed-mobile convergence be established and understood. Intelligent solutions exist today that enable enterprise IT to implement FMC voice services seamlessly, adding a layer of intelligence and functionality to their existing network infrastructure that allow enterprise users the benefits of these mobile services.
Don't replace your PBX. Don't rip out your existing network infrastructure. Overlay a solution that enables the delivery of these services today, and allows for flexible growth tomorrow and into the future.
Enterprise-Centric

- Wi-Fi side of the phone is homed to the PBX
- PBX forwards calls to cellular number when phone is out of Wi-Fi coverage
- Sometimes used with cellular data channel for presence & signalling when in cellular coverage
- User experience is like a PBX extension whether inside or outside Wi-Fi coverage
Carrier-Centric

- Wi-Fi side of the phone is homed to the hosted FMC Gateway
- Cellular operator SP owns the phone number and behaviour
- User experience is like a cell phone whether in or out of Wi-Fi coverage

