Lookit Co., Ltd. China

Lookit Co., Limited is a professional Internet Telephony devices manufacturer and voice over Internet Protocols (VoIP) service provider, which established in March, 2001 at Hong Kong. The Lookit (Shenzhen) Co., Ltd is a local government certified Hi-Tech Company with Import & Export license authorization. The plant locates in the electronic products manufacturer highly centralized city Shenzhen, China.

LOOKIT is the registered brand for Lookit Co., Ltd. As a young and fast developing IT company, we have professional developing persons or engineering offices in Europe, Beijing and Shenzhen city. The developers and Engineers are all Doctor or above Bachelor degree.We have established good connections and cooperation with some key domestic research institutes.

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General office

Lookit Co., Ltd.
R1316,HuaTong Building,LuoHu district
Shenzhen
Guangdong ,518010
China

Phone: 86-755-25565074-83
Site: http://www.lookit.com.cn

Hosted VoIP billing service provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Voip Termination ISP
Wireless Broadband

PC to Phone
Phone To PC
Phone To Phone

VoiceMaster

Lookit Co., Ltd

H.K. Guoxin Int?L Group Communications Limited

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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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