BtN Access United States

Connecting you with IP Telephony and advanced networks. We design, build and manage IP communications worldwide.

We are headquartered in the U.S. and Hong Kong with teams based in Europe, Asia, and the Americas. A subsidiary of PCCW, our parent company is a leader in next generation broadband solutions with holdings that include the former Hong Kong Telephone Company. With 2004 revenues of $3 billion, PCCW has 12,500 employees.Btnaccess operates a carrier-grade, Class-5 softswitch, on our own U.S. and international MPLS backbone. MPLS is engineered to provide high availability, security and flexible Quality of Service (QoS). This worldwide platform meets the most stringent connectivity needs of PTTs, emerging carriers, service providers, and business customers.We believe business requirements determine the best network solution for our customers. Unlike traditional carriers, where you`re often limited to "one port one product" network services, Btnaccess supports multiple services -- voice, data and video -- through a single access port to our Multi-Service IP network.

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General office

BtN Access
12100 Sunset Hills Road
Reston
Virginia ,22182
United States

Phone: +1 703 621 1615
Site: http://www.btnaccess.com

Contact Person

Steven Kozlowicki / VICE PRESIDENT-VOICE BUSINESS
Phone: +1 703 621 1615
Phone: +1 703 623 1440

International VoIP Wholesale Provider

H.323 VoIP Gateway
Partnering for Origination and Termination

Cisco Systems
Clarent
VocalTec
Quintum
Nuera
Sonus Network

IPCB.net

Integrated Access Solutions

4DVision, LLC

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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