Previous
PSTN Modernization in a Broadband Access Network
White Papers The ISAM platform makes this possible with unequalled network topology, flexibility and PSTN-class quality enhancements. The way voice services are delivered to end users is changing at the same time as fixed line operators are faced with the...
[October 11, 2005, 3:00]
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]
IP Network Solutions: Interconnecting VoIP Networks and the PSTN (for Smaller Service Providers)
White Papers The purpose of this paper is to discuss and explore the issues, challenges, and solutions of interconnecting IP technology with SS7 technology to provide VoIP access to the PSTN. This paper focuses on a distributed ownership infrastructure model...
[November 9, 2005, 0:00]
TechNet Webcast: Mediation Server and PSTN Gateways in Communications Server 2007 (Level 300)
White Papers This webcast focuses on the role of Mediation Server, which is the technology that provides Public Switched Telephone Network (PSTN) and Private Branch eXchange (PBX) interoperability for Microsoft Office Communications Server 2007.
[August 31, 2007, 1:00]
How Cisco IT in India Converged the VoIP and PSTN Infrastructure
White Papers Limited call-center status and IN Exchange helped make communication more convenient for some Cisco employees, but did not resolve the basic and most obvious issue created by the restriction on PSTN and VoIP interconnection.
[March 5, 2008, 0:02]
VoIP Hacks: Link Two Asterisk Servers With PSTN
White Papers Asterisk can handle all of these steps automatically, routing the call to the other office's PSTN trunk, waiting until it's answered, and dialing the recipient's extension to complete the connection. One can build a two-office unified dial plan...
[October 24, 2007, 1:00]
Gizmo Adds Business Enhancements and More IM Networks
Blog Gizmo5 (formerly The Gizmo Project) has been my preferred program for IM text chat and audio calls (including PSTN calls worldwide) for quite some time now. The bottom line is, these guys are good - when it comes to IM text chat, audio calls and...
[May 16, 2008, 8:29]
Doubts no deterrent to BT on big IP switch
Talkback PRESS RELEASE:Historical Significance Internet Communications Technology BreakThrough : PSTN Transmissions Quality NextGen TCP/ IP. All TCP &UDP packets all arrive at destination with PSTN quality latency ¬ a single packet ever gets dropped due...
[February 25, 2005, 21:49]
VegaStream Vega 50 review
Reviews These can be used to connect the gateway to either PSTN phone lines or, in our case, extensions from a central PBX. The two types of connection can also be mixed to support failover to the PSTN in the case of a network or power failure and local...
[May 6, 2005, 12:25]
Signaling System 7 (SS7)
White Papers Signaling System 7 (SS7) is an architecture for performing out-of-band signaling in support of the call-establishment, billing, routing, and information-exchange functions of the public switched telephone network (PSTN).
[August 14, 2003, 0:00]
Cisco IP Transfer Point as the Signaling Gateway for the Cisco PGW 2200 Softswitch
White Papers The Cisco PGW 2200 Softswitch is a carrier-class call agent that performs the signaling and call-control tasks - such as digit analysis, routing, and circuit selection - within the public switched telephone network (PSTN) gateway infrastructure.
[August 25, 2004, 10:33]
BT promises truly universal broadband
Talkback Funny how at present they are doing all they can to force customers to stay on their current PSTN in order to have broadband, even with a separate company? Of the exchanges that have benefitted from LLU, ISPs are simply offering PSTN phone service...
[March 12, 2005, 2:41]
Doubts no deterrent to BT on big IP switch
News Under the 21st Century Network (21CN) project, announced back in June, BT will ditch its existing PSTN equipment and replace a complex web of interconnecting legacy technologies with a single IP network by 2009.
[October 18, 2004, 15:45]
BT promises truly universal broadband
News The scheme will see BT gradually abandon its existing ATM and PSTN voice network. This is a decisive move from narrowband to broadband, and from PSTN to broadband," said Paul Reynolds, chief executive of BT Wholesale, at a press conference at the...
[June 9, 2004, 13:05]
SpeedTouch 716g review
Reviews Moreover, the PSTN connection can be used directly for calls as well as emergency failover; you also get facilities to hold and transfer incoming callers, along with support for call waiting and conferencing.
[April 11, 2005, 8:25]
BT next-gen network to roll out from November
News In a test situation using multi-service access nodes (MSANs) at Cambridge and Woolwich, the system — which will replace the country's ageing circuit-switching PSTN network with one based on Internet protocol (IP) — successfully transmitted 23...
[July 26, 2006, 16:30]
Technology to Support Contact Center Agents Working Remotely
White Papers As a result, mixed situations, where legacy PBX, PSTN, CTI, and VOIP co-exist, will continue well into the future and lead to scenarios where remote call center agents will need to work in mixed PSTN/VOIP environments.
[October 11, 2005, 3:00]
Skype teams up with C&W
News The call-termination agreements with Cable & Wireless and B3G Telecom will allow Skype to route calls from its SkypeOut customers across their PSTN networks. Unlike Skype's free standard service, which only allows users to phone other Skype...
[December 22, 2004, 11:55]
Enum VoIP registry goes live in UK
News The idea behind Enum is to allow businesses to use standard telephone numbers with their VoIP systems and have calls carried solely over the internet, rather than first being routed over the traditional PSTN network.
[March 12, 2009, 15:24]
Tackling VoIP security concerns
News Of course, the traditional telephone network (public switched telephone network, or PSTN) is not invulnerable to security breaches. Hackers can access the trunk gateway to the PSTN and make unauthorised toll calls
[September 27, 2006, 15:10]
