packet-switched telephone network
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X.25 White Paper
White Paper Users contract with the common carriers to use their packet-switched networks (PSNs) and are charged based on PSN use. X.25 was developed by the common carriers (telephone companies, essentially) rather than any single commercial enterprise. [02 Sep 2008]
Mitigating Attacks in VoIP Environments
White Paper Service providers are deploying packet telephony technologies as an alternative to traditional circuit-switched telephone networks in order to shift traditional voice services to packet-based networks and to create new services that combine data... [09 Jul 2008]
Carrier-Class Voice over Packet (VoP) Architecture
White Paper Voice traffic has traditionally been transferred over the dedicated circuit-switching technology of the digital Public Switched Telephone Network (PSTN). A converged Voice over Packet (VoP) network lets carriers transport both types of traffic over... [03 Jul 2008]
Managed GPRS Service
White Paper Its aim is to supplement today’s Circuit Switched Data and Short Messaging Services however it is not related to GPS (the Global Positioning System). The General Packet Radios Service (GPRS) is a non-voice value added service that allows... [03 Jul 2008]
Voice Quality on Next-Generation Networks Demands Next-Generation Testing Tools
White Paper As service providers implement new wireline and wireless technologies to roll out next-generation networks, they, along with their equipment vendors, face a significant challenge: how to ensure the same high level of predictable voice quality that... [03 Jul 2008]
Economics of Internet Offload and Voice / Data Integration
White Paper The traditional circuit-switched telephone network is proving increasingly inadequate to deal with the demands being placed on it. In the core of the network, new technology has reduced packet switch prices well below circuit switch prices. [03 Jul 2008]
Analysis of the Delay and Jitter of Voice Traffic Over the Internet
White Paper In the future, voice communication is expected to migrate from the Public Switched Telephone Network (PSTN) to the Internet. We also find that per-connection custom packetization is in most cases futile, i.e.one packet size allows a good compromise... [03 Jul 2008]
Migration of GSM Networks to GPRS
White Paper It supplements today’s Circuit Switched Data and Short Message Service. The General Packet Radio Service (GPRS) is a new non-voice value added service that allows information to be sent and received across a mobile telephone network. [03 Jul 2008]
An Introduction to SS7
White Paper As we have moved towards convergence between the public circuit-switched telephone network and the packet-switched IP world, SS7 has become the subject of significant attention as developers seek to integrate the two worlds and leverage the best... [03 Jul 2008]
IP Telephony Access, Transport, and Gateway Fundamentals
White Paper In addition, the standards that will allow interoperability between the public switched telephone network (PSTN)and the IP packet switched network environments are coming to fruition. First, there are compelling economies in transmitting voice-over... [03 Jul 2008]
The Future of Metro Networks
White Paper The circuit switched public network infrastructure is continuously stretched to its limits in order to provide support for bandwidth hungry data applications running at speeds set by Moore’s law. Built and engineered to handle telephone calls... [03 Jul 2008]
CompactPCI without PCI: Heresy or High Availability?
White Paper At its most reliable, a packet-switched telephone system can provide far more than a traditional circuit-switched network in terms of functionality and flexibility. However, while packet-switched telephony can more than match the circuit-based... [03 Jul 2008]
Increasing Revenues by Offering Broadband Services
White Paper On the other hand, they are unwilling to part from the feature-rich telephony and quality of service to which they have been accustomed as PSTN (public switched telephone network) subscribers. To meet these demands, operators seek solutions, which... [03 Jul 2008]
Starting with VoIP
White Paper However, since most telephony today is supported on PSTN (Public Switched Telephone Network) based on circuit-switched architecture most VoIP based telephony uses a combination of the Internet and PSTN. [06 Jun 2008]
Videoconferencing, Video Mail, IVR and Mobile Services Provided by iPBX Technology
White Paper Private Branch Exchange (PBX) systems have traditionally connected private enterprises to the Public Switched Telephone Network (PSTN) using circuit-switched communications.iPBX (or IP PBX) systems, which use the Internet Protocol (IP) to carry... [15 May 2008]
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