Brain21, Inc. South Korea

According to the various market evaluations, the IP telephony market is respected to beyond seven billion dollars annually including VoIP (Voice over IP) equipment, protocol stacks, and IP telephony services. As a major vendor of the market for IP telepho

As a driving force behind evolving IP telephony technologies, Brain21 provides a unique solution for access to the real-time voice consultation in the internet world.Internet is being expanded very rapidly and the World Wide Web is becoming the standard way for accessing and navigating the sea of information.With the activation of emerging electronic commerce on the Web, the real-time voice consultation becomes more necessary and important between the users and the on-line service providers. Brain21

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General office

Brain21, Inc.
UNI0N Center
Seoul
AP ,135
South Korea

Phone: +82 2 538 7204

Internet Telephony Service Provider

Phone To Phone

Cisco Systems

Billing system of own development

Global IP Networks

Webpoint

Providers in database: 6433

SDP Protocols Are Used To Transmit Media Session Information

In 1998, the Internet Engineering Task Force (IETF) published the specification for a Session Description Protocol or SDP as a format that describes parameters for streaming media. The original IETF Proposed Standard was updated in 2006 as RFC 4566. Although the SDP was created as a feature of Session Announcement Protocol (SAP), it can be used with Real-time Transport Protocol, Real-time Streaming Protocol (RTSP), and Session Initiation Protocol, as well as a standalone protocol. Parameter negotiation, session announcement and session invitation are included in the descriptive sessions from the SDP protocol. Rather than transmit data like other types of protocols, an SDP negotiates between media type endpoints, format and properties involved. A session begins when a connection is established, and the session is terminated only after every endpoint is no longer participating.

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