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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]
How to Deploy Real-World Presence Applications With Session Initiation Protocol
White Papers This webcast is for technical managers in small, medium, and large companies who are involved in designing and implementing secure networks, and technical managers who want to learn about the role Session Initiation Protocol (SIP) plays in the...
[August 4, 2006, 0:00]
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. In this capacity, it becomes increasingly essential to characterize both the performance and the reliability of...
[November 29, 2006, 0:00]
Configuring Session Initiation Protocol for Voice Over IP
White Papers This paper introduces the Session Initiation Protocol (SIP). SIP features are compliant with IETF RFC 2543, SIP: Session Initiation Protocol, published in March 1999. SIP is an alternative protocol developed by the Internet Engineering Task Force...
[December 27, 2004, 3:06]
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]
Voice over IP Open-Source Platforms and the Session Initiation Protocol
White Papers Learn about the industry-wide acceptance of SIP and the recent advances of open-source software projects related to VoIP.
[March 28, 2007, 14:35]
Provide Secure Unified Communications With Cisco IOS Firewall Session Initiation Protocol
White Papers Many organizations have discovered that unified communications - the convergence of data, voice, and video onto a single network infrastructure - can enhance employee productivity and mobility, while dramatically reducing communications costs.
[June 12, 2008, 1:01]
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]
IM compatibility closer to reality
News The new working group could have some competition from IBM and Microsoft, which have promoted a separate standard known as SIMPLE (SIP for Instant Messaging and Presence Leveraging Extensions) based on SIP or the Session Initiation Protocol.
[November 4, 2002, 11:34]
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's instant messaging protocol is known as SIMPLE (Session...
[April 2, 2003, 11:30]
MeetingPlace 7.0: Audio/Video Interoperability White Paper
White Papers Cisco Unified MeetingPlace Release 7.0 is a Session Initiation Protocol (SIP) - based architecture that provides voice, video, and web conferencing solution to large enterprises. Cisco Unified MeetingPlace 7.0 supports two deployments for combined...
[August 7, 2009, 1:20]
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]
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. The Third Generation Partnership Project (3GPP) specified the IP Multimedia Subsystem (IMS) standard.
[July 11, 2008, 1:02]
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. The protocol is published as IETF RFC 2543 and currently has the status of a proposed standard.
[September 2, 2008, 7:35]
Cisco - Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process
White Papers Cisco 7940/7960 IP phones can support either the Skinny Call Control Protocol (SCCP) to run with Cisco CallManager, the Session Initiation Protocol or the Media Gateway Control Protocol (MGCP), but not more than one simultaneously.
[December 27, 2004, 2:00]
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 Path to Intelligent Communications: Service Oriented Communications and SIP in the Contact Center and Across the Enterprise
White Papers Service-oriented architecture and session initiation protocol are revolutionary technologies that promise to transform communications. Many enterprises have begun deploying SOA and SIP as ways to increase the responsiveness and adaptability of...
[May 5, 2008, 10:18]
SIGCOMP: Understanding Signaling Compression
White Papers The Internet Engineering Task Force (IETF) has adopted the Session Initiation Protocol (SIP) for establishing, controlling, and maintaining real-time wireless multimedia sessions within an Internet Protocol-based framework.
[January 8, 2008, 0:01]
The Purpose of a SIP-Aware Firewall/ALG
White Papers This paper will explore the purpose of a Session Initiation Protocol (SIP)-aware firewall/Application Layer Gateway (ALG) when having SIP trunks to a service provider. Provided in this document is a brief description of the SIP and Network Address...
[June 25, 2008, 1:01]
Communications Transformations 2: Steps to Integrate SIP Trunk Into the Enterprise
White Papers Enterprises are beginning to evaluate unified communications Session Initiation Protocol (SIP) trunk access for calls destined beyond the internal network, allowing access to new services and productivity applications, but also having implications...
[June 13, 2008, 1:01]
