Extrafon GmbH Switzerland

extrafon

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General office

Extrafon GmbH
Kluggasse 10
Rapperswil
,6840
Switzerland

Phone: +41 552 118 080
Phone: +41 796 636 686
Site: http://www.extrafon.net

Contact Person

Adi Surpin / Management
Phone: +41 552 118 080
Phone: +41 796 636 686

Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Network Service Provider
SIP Billing
Voip consulting

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Collaboration
Consultancy Services
E1 Bulk Wholeseller
Gatekeepering
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
IP devices
Partnering for Origination and Termination
PC to Phone
Phone To PC
Phone To Phone
Project Mangement Services
SIP Softswitch & CPE
SIP VoIP Gateway
Termination
Web Call
Web To Phone

Cisco Systems
Quintum
Sonus Network

Billing system of own development
Custom Open Source Billing Solution

IT factory ag

aComm

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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TGLA, Telegestiones Latinoamericanas

(TGLA)Telegestiones Latinoamericanas is a 100% Spanish company that in recent years, has been providing integrated telecommunications solutions to leading companies in different economic sectors in Latin America, North America and Europe