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Characterizing Session Initiation Protocol (SIP) Network Performance and Reliability
White Papers The Session Initiation Protocol (SIP) has emerged as the preferred Internet telephony signaling protocol for communications networks. This paper provides an analytical look at the performance of a SIP network as well as a reliability model of SIP...
[November 29, 2006, 0:00]
Ramco Systems Case Study: SIP Academy India
White Papers SIP Academy India Pvt. SIP Academy relied on weekly sales report sent by the area partners to know about the performance of each Learning centers. Ltd.is a children skill development organization headquartered in Chennai, India.
[June 27, 2009, 1:21]
SIP - The Driving Force in Desktop Multimedia Conferencing
White Papers Microsoft chose SIP as this signaling protocol for its Windows Messenger communications client, offering voice, video and data conferencing along with IM in a single interface/application. And Marconi earlier this year introduced its ViPr SIP-based...
[March 14, 2009, 0:18]
SIP (Session Initiation Protocol) In Enterprise Class IP Telephony Networks
White Papers This paper explores some of the benefits that SIP - properly deployed - can provide to the enterprise. Topics discussed include: the value that SIP brings to the enterprise, how SIP can exploit the existing call processing system, and the essential...
[November 28, 2007, 21:49]
Cisco - SIP Introduced With Cisco PGW 2200 Softswitch and VISM Configuration
White Papers This paper gives you a summary of the required configuration instructions for using the Cisco PGW 2200 Softswitch with Session Initiation Protocol (SIP). The configuration explained in this paper is used to enable SIP clients (Cisco IP Phone 79x0...
[December 27, 2004, 2:00]
Back-to-Back User Agent (B2BUA) SIP Servers Powering Next Generation Networks
White Papers SIP Back-to-Back User Agent (B2BUA) Servers are probably one of the most important and powerful types of SIP Servers. Better understanding of B2BUA servers can help managers understand the value, and the tradeoffs, of choosing a B2BUA server as the...
[March 14, 2009, 0:18]
Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows
White Papers This paper contains best current practice examples of Session Initiation Protocol (SIP) call flows showing interworking with the Public Switched Telephone Network (PSTN). Elements in these call flows include SIP User Agents, SIP Proxy Servers, and...
[December 27, 2004, 2:00]
SIP/H.323 Video Softphone
Downloads for Wi-Fi, 3G and other network connections.Supports H.323 and SIP protocols.Audio codecs: G.711.Video codecs: H.261.Can use H.323 gatekeeper and SIP registrar.Supports most of SIP and H.323 devices and applications(Asterisk, Cisco, Alcatel, 3CX).
[March 24, 2009, 6:00]
SIP, Security & Firewalls: The Trend Toward Unified IP Communications
White Papers Session Initiation Protocol (SIP) has emerged as the protocol that will fuel this development. Its simplicity and the fact that it is based on Internet standards give SIP clear advantages over older protocols.
[November 18, 2008, 0:00]
SIP: Protocol Overview
White Papers The Session Initiation Protocol (SIP) is a signaling protocol for initiating, managing and terminating voice and video sessions across packet networks. SIP sessions involve one or more participants and can use unicast or multicast communication.
[September 2, 2008, 7:35]
Session Initiated Protocol (SIP) and Message-Based Load Balancing (MBLB)
White Papers At the service provider level, the number of VLAN, TCP (or UDP) port, and IP triplet combinations is affecting the Session Initiated Protocol (SIP). Because of active SIP subscriber counts in the millions, the potential to use various combinations...
[July 10, 2008, 1:01]
SIP Network Server: Network Deployment for VoIP Services
White Papers This paper describes the various network deployment scenarios of the SIP Network Server from Flextronics Software Systems (FSS). FSS' SIP Network Server is a carrier-grade, high performance, feature rich offering that serves as a core...
[June 30, 2005, 3:00]
Microsoft takes a SIP of office networking
News Central to this trend will be the adoption of Session Initiation Protocol (SIP), which is designed to enable companies to operate voice, data, video and messaging through a single system. SIP changes everything," Smith, the general manager of...
[April 2, 2003, 11:30]
SIP flaw causes problems for Cisco
News A recently discovered flaw in the Session Initiation Protocol (SIP) is responsible for a number of security problems in several Cisco products. The Session Initiation Protocol (SIP) has been at the centre of growing interest largely for its role in...
[March 10, 2003, 10:00]
Testing SIP Call Flows Using XML Protocol Templates
White Papers A Session Initiation Protocol (SIP) Call Flow is a casual sequence of messages that is exchanged between interacting SIP entities. This paper presents a novel test system for SIP based on the notion of XML Protocol Templates, of SIP call flows.
[December 26, 2004, 23:00]
The Benefits of Using SIP in Customer Service
White Papers SIP is all about going from a connection mindset to one of rich communication where every touch point with customers becomes an opportunity for dynamic information exchange. SIP opens a new universe of possibilities to build stronger customer...
[March 29, 2008, 0:01]
Design and Implementation of the Network Server Based on SIP Communication Protocol
White Papers SIP is a kind of application-layer control signaling protocol for creating, modifying and finishing the conversation with one or more participants. Based on the SIP, in this paper a design and implementation scheme of SIP server system is proposed...
[January 9, 2008, 0:01]
Set Up Procedure for Performance Characterization Results: Benchmark to Demonstrate Improvement in SIP Performance for IMS, Powered by Dual-Core Intel Xeon Processors
White Papers This white paper provides the detailed technical information necessary to understand test parameters and results characterizing Single Board Computer (SBC) performance for IMS workload based on SIP transactions.
[December 27, 2006, 0:00]
Towards Stateless Core: Improving SIP Proxy Scalability
White Papers This standard uses the Session Initiation Protocol (SIP) to setup and teardown multimedia sessions through a potentially large chain of proxies. Moreover, SIP standard allows proxies decide when to store transaction information on a per request basis.
[July 11, 2008, 1:02]
Two Layer Denial of Service Prevention on SIP VoIP Infrastructures
White Papers This paper proposes two layer architecture to prevent Denial of Service attacks on VoIP systems based on the Session Initiation Protocol (SIP). The emergence of Voice over IP (VoIP) has offered numerous advantages for end users and providers alike...
[June 20, 2009, 1:21]
