voip sip
VoIP QoS
White Paper It introduces basic signaling protocols for VoIP like H.323 and SIP. This white paper discusses QoS (Quality of Service) in VoIP networks. In then introduces different parameters that affect Quality of Service over a VoIP network. [18 Jul 2008]
Interaction Between Nokia Intrusion Prevention and Nokia Firewall
White Paper However, inherently firewalls need to allow SMTP/email, FTP, SIP/VoIP calls and other protocols with minimal payload security inspection. Firewalls provide protection between the external networks and internal networks by blocking potentially... [09 Jul 2008]
Hierarchical Inter-CMS Architecture Using Standalone SIP Route Proxy
White Paper This paper will discuss the role of a SIP route proxy in interconnecting CMSs, Media Gateway Controllers (MGCs) and peer VoIP providers and illustrate the business case behind deploying one such architecture. [03 Jul 2008]
Mitigating Attacks in VoIP Environments
White Paper Wide-scale Voice over IP (VoIP) implementations based on Session Initiation Protocol (SIP) and H.323 are gaining traction and are starting to be heavily deployed in large enterprises. VoIP is becoming an equivalently pervasive solution in the Small... [01 Jul 2008]
IBM Research Uses Cutting Edge Technologies and Methods to Assess Networks and Networked Applications for This Communications Company
White Paper SIP is the core technology for the growing convergence of applications such as Voice-over-Internet Protocol (VoIP), instant messaging and presence (the ability to detect whether other users are online and whether they are available). [01 Jul 2008]
Korean Service Provider Overcomes Shortcomings of Existing VoIP Services
White Paper Using BEA WebLogic SIP Server as the basis for an Internet-based callback service, MSA was able to replace its previous development process-developing all programs from scratch in C++ - for a scalable, extensible, and modular process that saved... [31 May 2008]
An Analysis of Security Threats and Tools in SIP-Based VoIP Systems
White Paper Security tools such as protocol analyzers, vulnerability assessment utilities and security monitoring utilities are among the common tools in a security professional's arsenal. Such tools have reached a high level of dependence among security... [18 Apr 2008]
Solving the Firewall/NAT Traversal Issue of SIP: Who Should Control Your Security Infrastructure?
White Paper Developed by the Internet Engineering Task Force (IETF), SIP has today become the signaling protocol of choice for establishing realtime communications, including Voice over IP (VoIP) calls. Research suggests that SIP is the VoIP protocol that has... [11 Apr 2008]
SIP Testing With Spectra2
White Paper Spectra2 is a hardware and software testing solution for testing VoIP and converged networks. From one integrated product you can easily monitor, test, and generate VoIP and SS7 ISUP signaling and media. [10 Apr 2008]
Session Initiation Protocol (SIP) and MCIAdvantage
White Paper One is potential short-term savings by moving to end-to-end voice over IP and mixed IP-PSTN (Public Switched Telephone Network) and by moving PBX (Private Branch Exchange) voice to VoIP usage. This paper explores the new communication services... [10 Apr 2008]
Interoperating SIP Networks With Net2Phone
White Paper Dynamicsoft also felt a similar business need for interoperating with one of the leading VoIP service providers and building support for this into their suite of SIP infrastructure software. Dynamicsoft is one of leading companies in the field of... [04 Apr 2008]
Application Notes for VegaStream Europa 50 BRI Gateway
White Paper This paper explains describe the configuration procedures required to allow VegaStream Vega50 Europa BRI gateway to interoperate as a TDM to SIP and SIP to TDM converter on the 3Com VCX platform for VoIP applications. [03 Apr 2008]
Taridium Case Study: T4G
White Paper The company recognized that the success of their business required a new communications infrastructure that used VoIP (Voice over Internet Protocol) and supported SIP (Session Initiation Protocol). Taridium's ipbx enterprise VoIP platform offered... [27 Mar 2008]
Session Border Controller - Design & Development
White Paper The scope of the project included extensive code optimization and porting of Aricent's products, such as the performance-optimized SIP UA and MEGACO Toolkit, which helped the customer achieve high performance levels. [14 Jan 2008]
Nortel Network Case Study: Timico
White Paper This Session Initiation Protocol (SIP)-based platform enabled Timico to launch carrier-grade, hosted multimedia services. Timico wanted to enable a new and ambitious service provider to stand out in the hosted business-to-business communications... [14 Jan 2008]
