Essays Tagged: "Public Switched Telephone Network"

Satellite Networks.

INTRODUCTIONFor three decades, satellite communications have been used for public switched telephone network (PSTN) and video broadcasting applications. However, with daily te ... e signal (Shelly).INTEGRATION OF FRAME RELAY NETWORKSFrame relay is implemented in both private and public networks. Public networks can are used to interconnect private networks. Although, Virtual pr ... nThe configuration in the diagram above represents the typical use of a VSAT to provide access to a public frame relay network. The model used is that of a branch office, connecting to its headquarter ...

(10 pages) 195 1 4.7 Oct/2003

Subjects: Science Essays > Computer Science > Internet and networking

Voice over Internet Protocol.

y takes less then 100 milliseconds to obtain the quality of service that people are use to from the public switched telephone network.VoIP technology is growing in acceptance, and it seems inevitable ... r Voice over IP. VoIP has become especially attractive given the low-cost, flat rate pricing of the public Internet.There are some many advantages assigned for Voice over Internet Protocol. They are a ...

(4 pages) 254 0 2.7 Nov/2003

Subjects: Science Essays > Computer Science

Introduction to ISDN

ssues: Security Cost containmentBecause network devices can now be connected over the Public Switched Telephone Network (PSTN), it is crucial to implement robust security to protect the ... witched data service provides end-to-end digital service to pass data or video information over the public network. ISDN uses out-of-band signalling to establish and maintain data connections, which r ...

(24 pages) 157 0 5.0 May/2004

Subjects: Science Essays > Computer Science > Internet and networking

Voice Over IP

Specialized router interface.2. Specialized LAN switch modules and interfaces3. IP telephone handsets4. Cisco CallManager servers: Offers a scalable, reliable, and manageable ... out compromising service.5. Cisco Unity Mail allow users to listen to their e-mail over the telephone, check voice messages from the Internet, and (when integrated with a supported third-party ...

(1 pages) 49 0 3.7 Nov/2004

Subjects: Science Essays > Computer Science > Internet and networking

Voice over IP.

ne call process versus VOIP call process.Traditional telephone communication is connected through a Public Switched Telephone Network (PSTN) where calls are converted to digital from your analog phone ... ersely affect the quality of voice transmission" (Leland, para. 17). "Open environments such as the public Internet creates problems for voice communication, but can be managed in non-public Internet ...

(9 pages) 233 0 5.0 Sep/2005

Subjects: Science Essays > Computer Science

Data Storage and Transmission

attributes distinguish the Internet from other parts of the information infrastructure, such as the public switched telephone network (PSTN) or the television networks (cable and broadcast). The desig ...

(3 pages) 46 0 0.0 Feb/2006

Subjects: Science Essays > Computer Science

VoIP Research Problem Analysis

ne call process versus VOIP call process.Traditional telephone communication is connected through a Public Switched Telephone Network (PSTN) where calls are converted to digital from your analog phone ... ersely affect the quality of voice transmission" (Leland, para. 17). "Open environments such as the public Internet creates problems for voice communication, but can be managed in non-public Internet ...

(8 pages) 149 0 5.0 Nov/2006

Subjects: Science Essays > Technology

Skype

Skype, and the Firefox or Explorer plugins that let you call with one click to PSTN phone numbers (Public Switched Telephone Network). As of January 29th of 2007, nine million people were using Skype ...

(5 pages) 61 0 0.0 May/2007

Subjects: Science Essays > Computer Science > Internet and networking

PSTN

PUBLIC SWITCHED TELEPHONE NETWORK The Public Switched Telephone Network (PSTN) is a variety of compa ... t opened the doors for the IXC's, LEC's, and ISP's to provide local and long-distance services. The Public Utility Commission (PUC) keeps track of all of the Telephone companies and regulates the rate ...

(5 pages) 1880 0 0.0 Sep/2001

Subjects: Science Essays > Computer Science > Internet and networking

VOIP – The Nuts and Bolts

dhere to certain rules of the telecommunications landscape, especially those that advance important public policy objectives such as universal access, access for law enforcement, and emergency service ... countries have banned the service all together because of this lack of service. There was a widely publicized story of a man who dialed 911, only to get a recording instructing him to signup for 911 ...

(14 pages) 120 0 5.0 Dec/2007

Subjects: Science Essays > Computer Science

VOIP: The business switch?

ngly influenced by customer opinions of call quality and how this quality compares with that of the public switched telephone network (PSTN). The unreliable nature of the Internet and initial product ... different vendors. Standards will need to be devised and implemented such as H.323 protocol for the public network environment. Protocols are an instrumental in the interoperability of VoIP. There are ...

(6 pages) 67 0 0.0 Feb/2008

Subjects: Science Essays > Computer Science > Internet and networking

Telecommunications Paper

connected to IP-PBX via the network and calls can be routed via the network instead of the standard public switched telephone network. This technology is known as IP telephony or otherwise VOIP. IP Te ...

(2 pages) 552 0 0.0 Jan/2010

Subjects: Science Essays > Computer Science > Internet and networking