ISDN (Integrated Services Digital Network) is a telecommunications technology that allows the transmission of voice, video, and data over digital phone lines, offering better quality than analog systems.
ISDN Analog Line refers to a service that allows traditional analog devices, like phones and faxes, to connect to a digital ISDN network, bridging the gap between analog and digital communications.
An ISP (Internet Service Provider) is a company that provides individuals and businesses access to the internet, offering services like broadband, fiber, or dial-up connections.
ITU (International Telecommunication Union) is a United Nations agency responsible for coordinating global telecom standards, radio frequencies, and improving communication infrastructure worldwide.
IVR (Interactive Voice Response) is a telephony technology that automates interactions with callers, offering options through voice or keypad inputs for routing and self-service tasks.
Jabber is an open-source messaging protocol (also known as XMPP) that facilitates real-time communication through chat, voice, or video over the internet, often used for instant messaging services.