XO Hosted PBX is a cloud-based Unified Communications (UC) and Private Branch Exchange (PBX) solution designed for small and midsize companies. It offers alternate numbers, anonymous call rejection, automatic call back, call return, transfer and waiting and multiple call arrangement functionalities within a suite. In addition to hosting VoIP applications, XO also offers SIP trunking services for businesses that need to connect calls to the traditional phone network.

XO provides broadband Internet connections via time-division multiplexing (TDM), copper, fiber and wireless, allowing fully managed connections to SIP trunking and PBX services for businesses with XO Dedicated Internet Access. XO tests a network before the sale so that buyers can be aware of potential issues before signing on for services.

XO Hosted PBX includes a range of PBX features, such as an auto attendant, call forwarding and call transfer. It also enables bring-your-own-device (BYOD) programs via the XO WorkTime mobile client.



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