voip signaling
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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]
Webcast: Voice over IP Security
White Paper The signaling is also vulnerable to attack, which can include misdirected or counterfeit signaling messages that may be difficult to detect. It's important to understand that VoIP is vulnerable to specific types of attacks. [30 Jun 2008]
Understanding Voice over IP Signaling Protocols in Cisco Telephony Implementations
White Paper Understand the specific functions Voice over Internet Protocol (VoIP) signaling protocols perform and how this information will help you design, build, maintain, and troubleshoot a Cisco VoIP implementation. [30 Jun 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 From one integrated product you can easily monitor, test, and generate VoIP and SS7 ISUP signaling and media. Spectra2 is a hardware and software testing solution for testing VoIP and converged networks. [10 Apr 2008]
Interoperating SIP Networks With Net2Phone
White Paper Nagarro developed the gateway done in Java using the SIP User Agent from Dynamicsoft and developed a signaling stack for the Net2Phone protocol as part of this development. Net2Phone is one of the leading VoIP service provider. [04 Apr 2008]
Live Webcast: Essentials of Successful VoIP Migration
White Paper Understand call management and VoIP signaling protocol options. Do you know the top five best practices for successfully deploying Voice over Internet Protocol (VoIP)? Do you understand the three critical technical considerations for running voice... [06 Dec 2007]
Mobicents: JSLEE for the People, by the People
White Paper Interesting services can be built by placing fragments of code, or "Event handlers," in the signaling path at the server. VoIP, as many have said, is more than merely Voice over IP. Recent years have seen several highly popular applications like... [28 Nov 2006]
Blocking spam in Enterprise IP Telephony networks
White Paper The proposed approach is based on the simple analysis of the VoIP signaling messages (set-up and termination requests). Voice over IP (VoIP) technology introduces powerful choices to spammers and telemarketers. [20 Apr 2006]
Understanding Media and Packet Processing in VoIP Networks
White Paper Unlike the PSTN, elements in a VoIP network are distributed and utilize flexible signaling protocols and open application interfaces to advance the development and deployment of new voice services. Media and packet processing subsystems provide the... [14 Feb 2006]
An Integrated QoS Control Architecture for IEEE 802.16 Broadband Wireless Access Systems
White Paper After analyzing the current strategies to provide IntServ for the Internet connection via IEEE802.16-2004 WirelessMAN, a mapping rule and a fast signaling mechanism for providing both InterServ and DiffServ are given under Point to Multi-Point... [22 Nov 2005]
Providing Integrated QoS Control for IEEE 802.16 Broadband Wireless Access Systems
White Paper A fast signaling mechanism is designed to provide cross layer integrated QoS for Point to Multi- Point (PMP) mode. Comparison between traditional RSVP signaling mechanism and proposed signaling mechanism is given. [22 Nov 2005]
Interworking Signaling Enhancements for H.323 and SIP VoIP
White Paper The Interworking Signaling Enhancements for H.323 and SIP VoIP feature enables VoIP networks to properly signal the setup and tear-down of calls, including generating in-band tones and announcements when needed at the originating or terminating... [26 Dec 2004]
Overview of the Session Initiation Protocol
White Paper Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. [26 Dec 2004]
An Overview of H.323 - SIP Interworking
White Paper SIP is an emerging signaling protocol, designed initially for Voice over IP (VoIP) applications, and was particularly successful in carrier class networks. The popularity of SIP has gained momentum and is seen to be making inroads into H.323... [24 Dec 2004]
