MARAZULVOIP Brazil

Oferecemos serviço de voip para escritorios e empresas e callcenters , podera reduzir o custo com telefonia em ate 70% . Nosso serviço possui excelente qualidade de voz e sistema estavel . Temos planos para revendedores .

Temos capacidade para grandes trafegos de ligaçoes simultaneas .

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General office

MARAZULVOIP
R S JORGE 231
GUARUJA
SAO PAULO ,11460500
Brazil

Phone: +55 13-30176917
Site: http://marazulvoip.tk

Voip consulting

Consultancy Services

Asterisk

IP PBX

SupremaVoIP Telefonia IP

MundiVoip

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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