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Topic: Media gateway

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	RFC 2705 (rfc2705) - Media Gateway Control Protocol (MGCP) Version 1.0
		Media gateways that support such channels are capable of translating the digital signals received on the channel, which may be encoded according to A or mu-law, using either the complete set of 8 bits or only 7 of these bits, into audio packets.
		Media gateways that support these signalling functions shall be able to send and receive the signalling packets to and from a call agent, using the "back haul" procedures defined by the SIGTRAN working group of the IETF.
		Media gateways that support these signalling functions shall be able to detect and produce the corresponding signals, such as for example "wink" or "A", according to the event signalling and reporting procedures defined in MGCP.
	www.faqs.org /rfcs/rfc2705.html (16342 words)

	Media gateway - Wikipedia, the free encyclopedia
		Media Gateways enable multimedia communications across Next Generation Networks over multiple transport protocols such as ATM and IP.
		Media Gateways are controlled by a Media Gateway Controller (also known as a Call Agent or a Soft Switch) which provides the call control and signaling functionality.
		Communication between Media Gateways and Call Agents is achieved by means of protocols such as MGCP or Megaco.
	en.wikipedia.org /wiki/Media_gateway (168 words)

	Application Example: Media Gateway
		Media gateways process full-duplex voice, fax and data modem calls by performing sophisticated voice coding, modulation, echo cancellation and jitter management algorithms as well as standards-based IP protocols and real-time protocols such as RTP and T.38.
		Media gateways are often called upon to provide media server functionality such as announcements, conferencing and wiretapping.
		In addition, the function of a signaling gateway is often integrated into a media gateway.
	www.pt.com /applications/applications_mediagateway.html (296 words)

	Media Gateway Control Protocol - Wikipedia, the free encyclopedia
		In computing, Media Gateway Control Protocol (MGCP) is a protocol used within a Voice over IP system.
		This system is composed of a Call Agent, and a set of gateways, including at least one "media gateway" that performs the conversion of media signals between circuits and packets, and at least one "signaling gateway" when connected to an SS7 controlled network.
		The "approved" IETF protocol for the same purpose, although not as widely implemented (as of 2004 Q3) as MGCP, is Megaco, defined in RFC 3015.
	en.wikipedia.org /wiki/Media_Gateway_Control_Protocol (631 words)

	[No title]
		Informational [Page 23] RFC 2705 Media Gateway Control Protocol (MGCP) October 1999 In addition to the indirection provided by the use of domain names and the DNS, the concept of "notified entity" is central to reliability and fail-over in MGCP.
		Informational [Page 31] RFC 2705 Media Gateway Control Protocol (MGCP) October 1999 If the mode is set to "continuity test", the gateway is informed that the other end of the circuit has initiated a continuity test procedure according to the GR specification.
		Informational [Page 59] RFC 2705 Media Gateway Control Protocol (MGCP) October 1999 513 The transaction could not be executed, because the gateway is not equipped to generate one of the requested signals.
	www.ietf.org /rfc/rfc2705.txt (16147 words)

	MEDIA GATEWAY (Site not responding. Last check: 2007-10-17)
		Media Gateway ist eine generische Bezeichnung für eine Netzfunktion, die in der IP-Telefonie verwendet wird.
		Beispielsweise kann ein Media Gateway leitungsvermittelte B-Kanäle des ISDN-Netzes terminieren und aus der darin übertragenen Sprachinformation RTP-Media-Streams für ein IP-basiertes Paket-Netzwerk erzeugen.In der Gegenrichtung führt es die umgekehrte Umsetzung aus, es arbeitet also vollduplex.
		Ein Media Gateway ist in der Lage, jede Kombination davon umzusetzen und auch Konferenzen mehrerer Teilnehmer abzuwickeln.
	www.toonorama.com /encyclopedia/M/Media_Gateway (156 words)

	Media gateway (Site not responding. Last check: 2007-10-17)
		Media Gateway 15000/7400 utilizes both ATM and IP protocols to enable wireline and wireless service providers to migrate existing TDM voice trunking...
		Megaco/H.248, the Media Gateway Control Protocol, is for control of elements in a physically decomposed multimedia gateway, which enables separation of call...
		Media gateway is any device, such as a circuit switch, IP gateway or channel...
	www.cigarettedeposit.com /media+gateway.html (970 words)

	RFC 2805 (rfc2805) - Media Gateway Control Protocol Architecture and Requi
		Media Gateways are not limited to SCN <-> packet/frame/cell functions: A conference bridge with all packet interfaces could be an MG, as well as an (IVR) interactive voice recognition unit, an audio resource function, or a voice recognition system with a cell interface.
		Digital trunks may be transported and may appear at the Media Gateway as channels within a framed bit stream, or as an ATM cell stream.
		On the packet side, the two media streams for voice and text must be opened, and it must be possible to control the feeding of each stream by the protocol.
	www.faqs.org /rfcs/rfc2805.html (9623 words)

	Cisco MGCP: Media Gateway Control Protocol Overview
		Media Gateway Control Protocol (MGCP) is a VOIP protocol used between elements of a decomposed multimedia gateway which consists of a Call Agent, which contains the call control "intelligence", and a media gateway which contains the media functions, e.g., conversion from TDM voice to Voice over IP.
		Media gateways contain endpoints on which the Call Agent can create, modify and delete connections in order to establish and control media sessions with other multimedia endpoints.
		A media gateway is typically a network element that provides conversion between the audio signals carried on telephone circuits and data packets carried over the Internet or over other packet networks.
	www.networkdictionary.com /protocols/mgcp.php (551 words)

	MEGACO based Media Gateway Framework from Aricent for Next Generation Networks
		Media Gateway (MG) Framework implements the media mapping and transformation function identified in the decomposed Gateway architecture proposed by ETSI TIPHON and adopted by IETF.
		Media Gateway Framework is a portable software building block that can be used to build different types of gateway platforms in the converged next generation networks.
		The Media Gateway framework is designed as an integrated unit that provides external interfaces to hardware and DSP firmware as well as functionality for configuration, control and management.
	www.hssworld.com /voip/frameworks/mediagateway/mediagateway.htm (496 words)

	Windows Media Gateway
		This allows the gateway to tolerate nodes which leave and re-join a venue while a session is underway, and to tolerate some issues with multicast and device instability.
		The slide images themselves are too large to fit comfortably in the Windows Media stream, so slides need to be exported to image files, and placed on a webserver in advance of a presentation, and the Windows Media Gateway needs to be configured with the base URL for the slides.
		This is the port a remote system such as a Windows Media Server or a WebViewer client would use to connect to a live stream using a URL such as: http://encoderhost:8080 (if the port number is 8080).
	www.cs.washington.edu /education/dl/confxp/wmgateway.html (3305 words)

	MetaSwitch - Media Gateway
		MetaSwitch led the industry with the introduction of the first "media gateway on a card" to incorporate TDM, ATM and IP interfaces along with the latest generation of field-programmable on-board DSPs.
		In the event that the connection between the MetaSwitch Media Gateway and Call Agent is lost, Emergency Standalone capability allows the Media Gateway to operate as a standalone switch until the connection with Call Agent is restored.
		In a distributed deployment with more than one media gateway, signaling links may be terminated on any combination of the gateways that best fits the SS7 requirements for the network as a whole.
	www.metaswitch.com /products/mediagateway.htm (556 words)

	Viewsonic Wireless Media Gateway > JiWire's Review (Site not responding. Last check: 2007-10-17)
		This media can then be played back using the adapter, which plugs into a TV and stereo, and receives data wirelessly from the gateway.
		While the concept of streaming your digital media wirelessly to a TV and stereo anywhere in the house is compelling, and the ViewSonic works as advertised, it falls somewhat short in use.
		And this is where the gateway and adapter come in: they allow you to take the digital media you have stored on your PC and watch or listen to it on your TV in the living room, where it belongs.
	www.jiwire.com /viewsonic-wmg120-product-review-1.htm (1653 words)

	Media Gateway
		Media Gateway automatically detects video scene changes and extracts representative key frames to summarize the video content in a storyboard that communicates the storyline in a highly effective way.
		Media Gateway system architecture is tightly integrated with industry standard database, video, and web servers to provide end-to-end media search solutions.
		Media Gateway is the gateway to your video-centric applications such as corporate training, corporate communication, distance learning, e-commerce, news delivery, and media asset management.
	www.pictron.com /products_media.html (256 words)

	What is media gateway? - a definition from Whatis.com
		As defined in the Internet Engineering Task Force (IETF) Request for Comments (RFC) 3015, a media gateway might terminate channels from a circuit-switched network (such as a DSO) as well as streaming media from a packet-switched network such as RTP streams in an IP network.
		Data input could be audio, video, or T.120 (real-time multi-point communications), which the media gateway would handle simultaneously.
		The media gateway controller is sometimes called a softswitch.
	searchvoip.techtarget.com /sDefinition/0,,sid66_gci812104,00.html (367 words)

	VoIP Media Gateway
		Based on a solid and future-proof architecture, the IVG serves as both a media gateway and a service injection engine, designed to help all service providers extract the true value of VoIP-the ability to deliver any service to any customer at any time.
		A full-featured VoIP media gateway in a NEBS-compliant chassis, the IVG delivers services from any point in the network.
		The IVG goes well beyond the limited capabilities of other niche media gateways to deliver multiple applications in a variety of configurations.
	www.voip-news.com /sp/se/ivg.htm (579 words)

	PCWorld.com - Gateway Unveils Media Center PC
		Gateway Unveils Media Center PC New unit offers DVD player, CD burner, and digital video recorder in one.
		The Gateway 901 Media Center looks to simplify that setup by integrating those devices in a PC that will let users play games and surf the Internet from their easy chairs, says Philip Osako, vice president of alternative form factors at Gateway.
		Gateway did not include wireless LAN technology in this version of the PC, but it expects future versions to include support for 802.11 technology as consumers grow more comfortable with wireless home networks, he says.
	www.pcworld.com /news/article/0,aid,113777,00.asp (417 words)

	VoIP Intelligent Media Gateway
		The new Lucent intelligent media gateway connects standard telephones to either the traditional voice network or a VoIP network.
		The gateway also offers emergency stand-alone capability to continue to switch 911 and intra-community calls if there's an interruption in the line to the Lucent 5E-XC™ switch or Lucent Softswitch that controls it.
		The Lucent Softswitch inter-working with the 5E-XC™ switch and the new media gateway, for example, supports calls on traditional wired or mobile phones and IP-based devices, such as computers.
	www.voip-news.com /art/accelerate.htm (1081 words)

	Commetrex Corporation - MSP Media Gateway (Site not responding. Last check: 2007-10-17)
		Commetrex’ MSP Media Gateway product line is designed to bring the open-communications system developer the industry’s first Any MediaAny PortAnytime hardware resource.
		Media technologies must have a software environment in which to run; Commetrex calls it OpenMedia™, Commetrex’ implementation of the MSP Consortium’s M.100 recommendation (http://www.msp.org).
		In addition to OpenMedia, the media technologies required by the application must be licensed (or provided by the user).
	www.commetrex.com /products/MSPMediaGateway.html (1255 words)

	Media gateway (Site not responding. Last check: 2007-10-17)
		The Alcatel 7510 media gateway solution will enable BT to migrate its installed...
		The ConferenceXP to Windows Media Gateway is an adjunct to the Microsoft Research...
		2001 Media Gateway Market Report While the line between softswitching and media gateways is becoming increasingly difficult to discern as more vendors blend...
	www.welcomevillas.com /media+gateway.html (925 words)

	media gateway - OneLook Dictionary Search (Site not responding. Last check: 2007-10-17)
		Tip: Click on the first link on a line below to go directly to a page where "media gateway" is defined.
		Media Gateway : Linktionary Networking Glossary [home, info]
		Phrases that include media gateway: media gateway control protocol
	www.onelook.com /?w=media+gateway (88 words)

	Media Gateway Toolkit for Next Generation Networks
		Aricent's offering for Media Gateway solutions is available in different packages that provide flexibility to pick the solution that best meets customer requirements.
		A higher value solution is offered through the Media Gateway (MG) Toolkit that hides the syntactic and semantic details of protocol processing from the application.
		However, the interfaces of these components with the other modules in a media gateway are shared.
	www.hssworld.com /voip/stacks/MediaGatewayToolKit/overview.htm (236 words)

	The Media Gateway Buyers Guide
		When researching which type of gateway is right for your business needs, it’s important to remember that there are essentially two categories: 1) fl box - appliance-based type gateways; and 2) white boxes - standard servers with gateway boards or subsystems installed on them.
		The Intel NetStructure T1/E1-IP Media Gateway (which will be generally available on April 14) and the NetStructure PBX-IP Media Gateway both offer out of the box appliance-based functionality for bridging TDM and packet-based networks.
		Another important aspect of gateway deployment, particularly when working with outbound contact centers that use predictive dialing to reach customers, is complying with the associated laws.
	ipcommunications.tmcnet.com /hot-topics/gateway/articles/961-media-gateway-buyers-guide.htm (1172 words)

	Ericsson Media Gateway for Mobile Networks (M-MGw)
		Ericsson's Mobile-Media Gateway, in the Connectivity Layer, handles the physical end-to-end connection with flexible support for TDM, ATM and IP transmission.
		Media stream processing is fully integrated in the Media Gateway, removing the need for additional nodes.
		Ericsson's scalable and reliable Media Gateway facilitates distributed switching where mobile phone calls are connected locally to other mobiles and landlines.
	www.ericsson.com /products/hp/Ericsson_Media_Gateway_for_Mobile_Networks__M_MGw__pa.shtml (431 words)

	Media Gateway Control (megaco) Charter (Site not responding. Last check: 2007-10-17)
		The Megaco media gateway control protocol, RFC 3015 (also published as
		Media Gateway Control Protocol Architecture and Requirements (RFC 2805) (0 bytes)
		Gateway Control Protocol Version 1 (RFC 3525) (0 bytes)
	www.ietf.org /html.charters/megaco-charter.html (362 words)

	Dialogic Grows Media Gateway Portfolio
		Media Gateways have been reclassified as the Dialogic 1000 Media Gateway Series, and the Dialogic T1/E1-IP Media Gateway product portfolio has been rechristened as Dialogic 2000 Media Gateway Series.
		Windows, the gateways leverage the long history of the Dialogic Diva media processing boards to support communications services across traditionally separate voice and data networks.
		Preliminary European shipments of the Dialogic 3000 Media Gateway Series are expected to begin in April.
	ipcommunications.tmcnet.com /hot-topics/gateway/articles/5637-dialogic-grows-media-gateway-portfolio.htm (614 words)

	media gateway suite
		As streaming media has become mainstream, so too has the need to effectively search and manage this potent medium.
		To unleash the power of your media assets, Pictron has developed a comprehensive suite of products and services lending access to compelling and interactive video on the Web.
		Media Gateway is the gateway to your video-centric applications such as corporate training, corporate communication, distance learning, decision support, and media asset management.
	www.pictron.com /products_mgs.html (281 words)

	The Media Gateway: Live Video on the World Wide Web (Site not responding. Last check: 2007-10-17)
		We describe our media gateway, which seamlessly extends the reach of the World Wide Web to include live video.
		Our media gateway appears to the user as a series of HTML pages culminating in a form that leads to video display.
		Several media processing applications are available, including live video or television viewers, and a video file browser.
	tns-www.lcs.mit.edu /publications/WWW94a.html (320 words)

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