VoIP & Switching

Abstract: This paper explains and discusses the current transition mechanisms to IPv6 and their applicability to different network scenario. Also discussed is the evolutionary work being done in different IETF working groups to address new realities in the IPv6 deployment.
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Abstract:  HSC recently participated in the prestigious Project Management Leadership (PML) 2011 event where we presented our experiences in successfully applying Agile methodologies to large projects executed offshore from the customer site.The paper was selected as a runner up in the abovementioned event.   Abstract: Other than understanding the organizational and cultural aspects related to application of Agile methods, modification and adaptation of Agile practices to suit the organization’s business context and existing systems and processes is imperative for making Agile work.
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Abstract: In the today’s market scenario of intense competition, the organizations face the challenges of low price and high quality. The traditional model of separate teams for delivery puts additional burden on these factors adding to additional pressure. The key to success is knowledge re-use wherever possible and spreading the roles and responsibilities across the different delivery phases. The intent of the paper is to highlight one such practice for handling these challenges.
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Abstract: roadband IP is a great leveling ground when it comes to converged services being offered by multiple providers. For example, with the availability of Broadband, companies such as Vonage could offer IP based phone replacement solutions threatening the turf of established phone operators.
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Abstract: The wide deployment of Voice over IP (VoIP), Real-time Text and Video over IP services has introduced new challenges in managing and maintaining voice/real-time Text/video quality, reliability, and overall performance. In particular, media delivery is an area that needs attention.
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Abstract: This paper presents a brief introduction on VoIP and discusses some of the most common deployment challenges that are faced. It also discusses the issue of Spam over Internet Telephony (SPIT), its implications and mechanisms to address this growing concern.
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Abstract: TCP is transmission Control Protocol, the Layer4 protocol for communication over both wireline as well as wireless links. It is one of the most widespread of protocols in usage today. All key applications defining the web today, http, email transfer, file transfer, etc.
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Abstract: This document has been contributed by HSC to the SIP Forum Test Framework (SFTF) organization at https://www.sipfoundry.org/sftf under the GNU LGPL license. This document captures each MUST, MAY, SHALL, SHOULD and RECOMMENDED clauses of a UAC/S as per RFC 3261 and describes test cases and call flows which could be used to test the required behaviour.
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