Is UMA right for enterprise FMC?
Carrier-based wireless coverage requires no equipment at customer premises. by Steve Shaw and Peter Thornycroft Enterprises have several different options for fixed-mobile convergence (FMC) architectures, depending on how closely the mobile phone is linked to the enterprise PBX, where the phone number is hosted, and what voice and data calling features are offered on the phone. IT professionals should consider business benefits and challenges when evaluating these options and determining which architecture is the right choice. In PBX-centric architectures, all incoming calls are directed to and all outgoing calls originated from the PBX number. When a cell phone, equipped with a PBX-specific software client, is in range of the corporate Wi-Fi, voice-over-IP (VoIP) protocols connect it directly to the PBX. Even when the cell phone is outside Wi-Fi coverage, it continues to act as a PBX client. PBX-independent architectures are based on third-party adjunct servers that work with differen
