iWorldServices, Inc. United States

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General office

iWorldServices, Inc.
1600 Shattuck Suite 106
Berkeley
CA ,94709
United States

Phone: 5104956115
Site: http://www.iworldservices.com/

International VoIP Wholesale Provider
Internet Telephony Service Provider
VoIP Billing Software Provider

Billing Software
H.323 Wireless/ GSM VoIP Solutions
PC to Phone

Welltech

Billing system of own development

EasyTalk Communications LLC

BillCall

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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