Whois & Analysis for sip.us

The Session Initiation Protocol (SIP) is a communications protocol for signaling, for the purpose of controlling multimedia communication sessions.

Internet telephony, business IP telephone systems, service providers and carriers use SIP.

SIP can be used to set up and control voice and video calls, as well as instant messaging.

The most common application of SIP is the setup and termination of Voice over IP (VoIP) telephone calls.

SIP trunking is Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and Unified Communications facilities.

Most Unified Communications software applications provide voice, video, and other streaming media applications such as desktop sharing, web conferencing, and shared whiteboard.

A computer network or data network is a telecommunications network which allows nodes to share resources.

In computer networks, networked computing devices exchange data with each other using a data link.

The connections between nodes are established using either cable media or wireless media.

The best-known computer network is the Internet.

In economics, a service is a transaction in which no physical goods is transferred from the seller to the buyer.

The benefits of such a service are held to be demonstrated by the buyer's willingness to make the exchange.

Public services are those that society (nation state, fiscal union, region) as a whole pays for.

Using resources, skill, ingenuity, and experience, service providers benefit service consumers.

A business (also known as an enterprise, a company or a firm) is an organizational entity involved in the provision of goods and services to consumers.

Businesses serve as a form of economic activity, and are prevalent in capitalist economies, where most of them are privately owned and provide goods and services allocated through a market to consumers and customers in exchange for other goods, services, money, or other forms of exchange that hold intrinsic economic value.

Businesses may also be social non-profit enterprises or state-owned public enterprises operated by governments with specific social and economic objectives.

A business owned by multiple private individuals may form as an incorporated company or jointly organise as a partnership.

Countries have different laws that may ascribe different rights to the various business entities.