Tello Corporation provides communication and collaboration services. It supports instant communication and collaboration across networks, applications, and devices in the context of business processes. The company offers Basic, which is targeted for individual business users who want a single, presence-aware interface for managing contacts using public IM networks and mobile devices. Its product also allows the individual to administer and manage an integrated contact list, as well as import contacts from Public IM Networks. The company also offers Enterprise that is designed for enterprises who need to work closely with partners, hosted suppliers, and customers to federate enterprise IM systems, interconnect their VoIP networks, and interoperate with the Public IM networks; and Connect, which enables users to exchange IM messages, talk on the phone, and collaborate without needing to think about what network, application or device their colleagues are using. In addition, Tello provides a communications presence and connectivity hub that allows people to locate, contact, and connect with friends, colleagues, and partners using the devices and applications. The company offers its services directly to businesses and end-users, and also works with independent software vendors, network equipment providers, service providers, and systems integrators. Tello Corporation was founded in 2004 and is based in San Mateo, California.