Digital Voice BV Netherlands

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General office

Digital Voice BV
Abelenstra Boulevard 58
Heerenveen
,8448 JB
Netherlands

Phone: 31513744050
Phone: 31513744050
Site: http://www.virtualpbx.nl

Contact Person

Harry Dijkstra / Director
Phone: 31513744050

International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider

Call Relay VoIP Solutions
Call Routing VoIP Solutions
E1 Bulk Wholeseller
Fax To Fax
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
IP devices
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Vegastream
VocalTec

Oracle Based own system

Digital Voice BV

VOIPfonie

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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