Recursos VoIP - Enlaces

Fuente: Hewlett-Packard
Formato: PDF

VoIP technology digitally transmits analog voice signals by compressing them into IP packets and moving the information over the Internet and private switched Ethernet networks. This paper is designed to help enterprises prepare for VoIP by looking at networking solution requirements. With a clear migration strategy, along with a well-designed and managed network, enterprises can eliminate many of today’s VoIP challenges. The HP ProCurve Networking business provides the HP ProCurve Networking Adaptive EDGE Architecture that supports all leading VoIP solutions with easy-to-use traffic management technologies and an infrastructure that provides intelligent control to the edge of a network.

Fuente: Siemens
Formato: PDF

This paper discusses about presence-aware communications. Presence-aware communications functionality is relatively new technology. IT organizations must critically assess deployment and operational factors when considering adding such functionality to their existing enterprise client/server applications infrastructure. Process and productivity improvements may be realized when presence-aware instant communication capabilities result in workflow simplifications and leaner business processes.

Fuente: Lucent Technologies
Formato: PDF

The need for enhanced value remains the driving force behind Voice over Internet Protocol (VoIP) services. Enhanced value means simplified, efficient communications and improved productivity. Lucent Technologies has developed the key network infrastructure elements for providing the revenue generating next-generation applications with presence-enabled features that subscribers are demanding. This white paper discusses this solution in detail along with describing several new presence-enabled services and highlights future plans to support these new services.

Fuente: Hewlett-Packard
Formato: PDF

IP telephony - the implementation of voice over an IP-based network - is fast becoming an attractive and viable opportunity for businesses. Its adoption is no longer a question of if, but when. The ProCurve Networking by HP family of products, services and solutions - including Ethernet switches, routing switches, wireless solutions and network management applications - allows customers to build IP telephony solutions that meet current and future needs for security, performance and reliability. ProCurve IP Telephony solutions deliver connectivity at the edge of the network over an easy-to manage, standards-based infrastructure. This paper explores how ProCurve Networking IP Telephony solutions can help move businesses closer to anytime, anywhere communications.

Fuente: Network General
Formato: PDF

This is the second of six technical briefing papers that examine the concepts, operation and analysis of converged networks. A call through a converged network involves a number of subsystems including the end stations, gateways and gatekeepers, and therefore involves a number of protocol processes. A good understanding of these processes is essential for a successful converged network implementation. We will look at:
- Converging legacy network.
- Enabling systems for the converged network.
- Multimedia transport protocols.
- Comparing protocol flows for PSTN and VoIP calls.

Fuente: Lucent Technologies
Formato: PDF

The convergence of voice, video, and data networks has created both opportunities and threats for service providers. Combined with deregulation, convergence has created a market in which broadcasters, satellite companies, cable companies, telecom carriers, Internet Service Providers (ISPs), and vertical service providers are all looking to provide integrated services and faster access to consumers and businesses. This white paper presents a market perspective on five principal technologies available to bring this broadband infrastructure and greater bandwidth to customer's premises.

Fuente: Alcatel
Formato: PDF

The way voice services are delivered to end users is changing at the same time as fixed line operators are faced with the declining profitability of their cash cow: voice services. Operators are focusing their investment on broadband networks capable of offering services that generate new revenues and differentiate them from their competition (e.g., IPTV, next-generation communication services). New access networks must enable new and legacy voice services, reduce the cost of operations and still allow for aggressive build-out of broadband subscriber coverage. Only IP/Ethernet-based access can assure all those aspects at once. The ISAM platform makes this possible with unequalled network topology, flexibility and PSTN-class quality enhancements.

Fuente: Northrop Grumman
Formato: PDF

This paper presents a system engineering approach to VoIP analyses that allows an organization's management to use nominal data, modified as needed to reflect organization-unique requirements, to assess the potential of VoIP and reach a quick decision on deployment. The VoIP repository discussed at the end of this paper provides a core set of information to support an integration service company's internal decision making, as well as its recommendations to government clients.

Fuente: SunGard Data Systems
Formato: PDF

As such, a willingness to embrace innovative technology is a hallmark of many cutting-edge, highly successful corporations. Intelligently adopting new advances enables companies around the globe to function more cost-effectively and with greater ease and stability. Being well informed about the latest technologies can help a company build a strong competitive advantage while protecting mission-critical resources. This paper explores the critical issues when adopting three technologies - Radio Frequency IDentification (RFID), Voice over Internet Protocol (VoIP) and Extensible Markup Language (XML). Minimizing business risks while integrating these new technologies means taking steps now to incorporate continuity planning, recovery planning and information security.

Fuente: Siemens
Formato: PDF

IP telephony and the applications have the proven ability to lower costs, increase profitability, and deliver superior services to customers and prospects. Siemens’ HiPath communications portfolio is second to none, both in the breadth (applications and platforms) and depth (anticipating of up-coming and future business requirements. This white paper provides an overview of the company’s OpenScape suite of presence-aware, real-time communications software. OpenScape is a groundbreaking addition to the HiPath solutions portfolio and an important development in its own right.

Fuente: deltathree
Formato: PDF

Session Initiation Protocol (SIP) is fast becoming the protocol of choice for IP based communication – specifically telephony (Voice over Internet Protocol - VoIP), video, and instant messaging. SIP’s strengths lie in its email-like addressing scheme, its plain text headers (similar to HTTP), its scalable architecture, and most of all in its ability to carry generic data (following the MIME standard of email fame). Though interconnecting a SIP call leg with the legacy phone system (Public Switched Telephone Network – PSTN) is well defined and communication flows seamlessly, the billing model regnant in the telephony world does not mesh quite so naturally with SIP. For example, the ubiquitous pre-paid calling card services require querying the account status before a call is authorized and real-time adjustment of the balance as soon as a call terminates. SIP does not address either of these functionalities. This paper will examine the requirements of such systems and suggest possible implementations within a SIP architecture.

Fuente: Siemens
Formato: PDF

The economy has changed dramatically in recent years. Increased globalization, along with unexpected political and economic events worldwide, has intensified competitive pressure. This white paper helps identify how companies can optimize business processes by integrating innovative communications technologies into the IT environment. Examples of success, such as within supply chain management, are explored and studied.

Fuente: 6NET Consortium
Formato: PDF

Voice over IP is becoming a very important application, which will coexist on IPv4 and IPv6 for some time. This paper describes both Session Initiation Protocol (SIP) and H.323 based systems that have been deployed, tested and demonstrated within the 6net project. This paper also provides a full report detailing the design and implementation of the IPv6/v6 SIP gateway.

Fuente: Lucent Technologies
Formato: PDF

This white paper demonstrates how service providers can capitalize on the potential of Session Initiated Protocol (SIP) networking with Lucent Technologies 5E-XC switch. A brief overview of key SIP capabilities illustrates how service providers can apply SIP to enable next-generation services and converge voice onto an IP core network. An overview of the features and benefits of Lucent Technologies 5E-XC SIP solutions - for converged services, IP trunking, and advanced VoIP applications - describes how they provide the basis for profitable new service offerings and cost savings in operations and management using the 5E-XC switch.

Fuente: Siemens
Formato: PDF

This paper shows how requirements for high-availability services in IP telephony environments can be met by running the call-control protocol SIP with the RSerPool architecture. The RSerPool protocol runs at the session layer to support the HA service. The paper shows how SIP entities map to the RSerPool architecture and show in detail how a SIP proxy operates in this architecture.