MANHASSET, N.Y. – A trio of cell phone giants this week announced plans to define universal specifications for mobile instant-messaging services. Ericsson, Motorola and Nokia said their Wireless ...

Software that provides an interface between applications, allowing them to send data back and forth to each other asynchronously. Data sent by one program can be stored in a queue and then forwarded ...

An encrypted instant messaging system from the Signal Technology Foundation. Introduced in 2014, Signal uses telephone numbers and cellular service similar to text messaging. It also supports voice ...

Unified messaging (UM) enables access to faxes, voice mail and e-mail from a single mailbox that users can reach either by telephone or a computer equipped with speakers. Computer users can select and ...