PSTN
RSS PSTNVoIP Security Accelerated With Fortinet's Advanced VoIP Security Architecture
White Paper Both enterprise users and service provider provisioned applications are driving the acceptance of VoIP as a viable alternative to the traditional telephone services offered through the Public Switched Telephone Network... [13 Nov 2009]
Integration of GSM Module With PC Mother Board (GSM Trunking)
White Paper Making outgoing calls to any GSM mobile/Landline from any registered extension of IP PBX (Asterisk) will bypass costly PSTN line. The basic idea behind this paper is to integrate GSM module with PC mother board. [12 Nov 2009]
Securing Voice Networks
White Paper Converged voice and data communication can be more secure than traditional PSTN communication with proper planning and design. Voice-related threats include toll fraud, denial of service attacks, impersonation exploits,... [03 Nov 2009]
"Integration of TTY Calls Into a Call Center Using the Placeholder Call Technique"
White Paper Traditional call centers are often designed to accept only voice calls over the PSTN, that is, telephone calls from hearing and speaking persons traveling over the Public Switched Telephone Network. All organizations... [30 Aug 2009]
SIP Trunking With Microsoft Office Communication Server 2007 R2
White Paper The Voice over IP solution is not only limited to corporate LAN infrastructure but has also extended to the World Wide Web This expansion is facilitated by VoIP carriers or SIP (Session Initiation Protocol) Trunk service providers, which... [15 Aug 2009]
Two Layer Denial of Service Prevention on SIP VoIP Infrastructures
White Paper The emergence of Voice over IP (VoIP) has offered numerous advantages for end users and providers alike, but simultaneously has introduced security threats, vulnerabilities and attacks not previously encountered in networks with a closed... [20 Jun 2009]
Securing Internet Protocol Telephony
White Paper In recent years, Internet Protocol (IP) Telephony has grown into a viable alternative to traditional Public Switched Telephone Network (PSTN) voice services. While most professionals in this industry are familiar with... [31 May 2009]
Protocols for the VoIP and Converged Network
White Paper Comparing protocol flows for PSTN and VoIP calls This is the second of six technical briefing papers that examine the concepts, operation and analysis of converged networks. A call through a converged network involves a... [18 Mar 2009]
Winning in the Age of Convergence: Product Framework for CSPs
White Paper Falling Public Switched Telephone Network (PSTN) revenues coupled with triple / quadruple play are driving CSPs to formulate convergence-led strategies for future growth. Convergence is fundamentally transforming the way... [14 Mar 2009]
BT's 21CN 'a threat to next-gen broadband'
News CN is the overhaul of BT's core network from traditional PSTN lines, to a single, all-IP network for voice and data. The pace of progress on BT's 21CN and Ofcom's leisurely attitude to ironing out regulatory issues could... [25 Feb 2009]
TechNet Webcast: Implementing Voice in Communications Server 2007 (Level 200)
White Paper The presenter will explain how IT professionals can use Microsoft Office Communicator 2007 to make voice calls within the corporate network and the Public Switched Telephone Network (PSTN). The attendee of this webcast... [11 Dec 2008]
TechNet Webcast: Understanding Call Routing in Office Communications Server 2007 (Level 200)
White Paper The presenter will explain how IT professionals can use Microsoft Office Communicator 2007 to make voice calls within the corporate network and the Public Switched Telephone Network (PSTN). The attendee of this webcast... [11 Dec 2008]
Detecting Spam in VoIP Networks
White Paper Voice over IP (VoIP) is a key enabling technology for the migration of circuit-switched PSTN architectures to packet-based networks. The problem of spam in VoIP networks has to be solved in real time compared to e-mail... [14 Oct 2008]
BT's wi-fi parts ways with The Cloud
News Steve Nicholson, The Cloud's chief executive, also pointed out in his company's statement that The Cloud remained "reliant on BT for PSTN among other services and will continue to work closely in the hope they reconsider... [30 Sep 2008]
More businesses turning to VoIP?
News One example is session initiation protocol (SIP) trunking interfaces being added to equipment by many PBX manufacturers, which makes it easier for business telephone exchanges to be connected to the public switched telephone network... [14 Aug 2008]
