pstn Resources

ZDNet Dictionary Definition

PSTN: Public Switched Telephone Network The worldwide voice telephone network. Once only an analog system, the heart of most telephone networks today is all digital. In the U.S.,...; Full PSTN Definition >>

ZDNet Resources

CMBA - CallManager Basic Administration v6.0 or v5.1: Instantly save $400 off the standard course price when you register on TechRepublic or ZDNet! Offer ends August 22, 2008.View Available Dates and LocationsNow running both CUCM 6.0 and CM 5.1 in all labs! Exclusively at Global Knowledge, you choose the version of Cisco Unified Communications...; Tags: Global Knowledge Network Inc., Administration, IP Telephony, IP, Training, Cisco Systems Inc., PSTN, VOIP, Network Technology, Workforce Management, Networking, Telecommunications, Human Resources; Training 2008-06-01
CIPT1 v6.0 - Implementing Cisco Unified Communications IP Telephony Part 1: Instantly save $500 off the standard course price when you register on TechRepublic or ZDNet! Offer ends April 30, 2008.View Available Dates and LocationsPrepare to install and configure a Cisco Unified Communications Manager CUCM solution in a single site in this course, focusing primarily on CUCM Release ...; Tags: Global Knowledge Network Inc., Phone, Telephony, Schaumburg, Router, IP Telephony, Cisco Unified Communications System, Cisco Systems Inc., PSTN, VOIP, Telecom & Utilities, Telecommunications, Networking; Training 2008-04-01
CIPT2 v6.0 - Implementing Cisco Unified Communications IP Telephony Part 2: Instantly save $500 off the standard course price when you register on TechRepublic or ZDNet! Offer ends April 30, 2008.View Available Dates and LocationsPrepare to install and configure a Cisco Unified Communications Manager CUCM solution in a multisite environment in this course. You'll focus on CUCM Release ...; Tags: Telephony, Router, IP Telephony, Mobility, Cisco Unified Communications System, Cisco Systems Inc., PSTN, VOIP, Telecommunications, Networking; Training 2008-04-01
TUC - Troubleshooting Cisco Unified Comm Systems: View Available Dates and Locations This course equips network professionals with the knowledge and skills required to troubleshoot Unified Communications systems/solutions in enterprise, mid-market, and commercial deployments. Learn troubleshooting methodology, triage, resources, tools, and fixes at the integrated system/solution level, as well as for components...; Tags: Router, Network, Cisco Systems Inc., PSTN, Routers & Switches, Network Technology, Networking; Training 2008-01-01
GWGK/TUC Mini Camp: View Available Dates and LocationsGWGK: This advanced Authorized Cisco course covers the in-depth and important topics needed to implement Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments with CallManager and Cisco Unity. Learn to install, configure, monitor, and troubleshoot Cisco voice gateways and ...; Tags: Fault-tolerance, Router, Network, PBX, Cisco Systems Inc., PSTN, HQ, Routers & Switches, Network Technology, VOIP, Networking, Telecommunications; Training 2008-01-01

ACCMU - Administering Cisco Unified Communications Manager and Cisco Unity v6.0 or v5.1: View Available Dates and LocationsNow running both CUCM 6.0 and 5.1 in all labs! Exclusively at Global Knowledge, you choose the version of Cisco Unified Communications Manager CUCM you wish to deploy in your lab environment. You'll receive both CUCM 6.0 and 5.1 enhanced lab...; Tags: Cisco Unity, Global Knowledge Network Inc., Phone, Unified Communications, IP, Training, Cisco Systems Inc., PSTN, Cisco Unified Communications Manager, VOIP, Telecommunications, Networking; Training 2008-01-01
GWGK - Implementing Cisco Voice Gateways & Gatekeepers: View Available Dates and LocationsThis advanced Authorized Cisco course covers the in-depth and important topics needed to implement Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments with CallManager and Cisco Unity. Learn to install, configure, monitor, and troubleshoot Cisco voice gateways and gatekeepers...; Tags: H.323, Fault-tolerance, Router, PBX, Cisco Systems Inc., PSTN, VOIP, Routers & Switches, Telephony, Network Technology, Networking, Telecommunications; Training 2008-01-01
IPTX - Cisco IP Telephony Express: View Available Dates and LocationsLearn CallManager Express CME and Unity Express CUE architecture, components, functionality, and features for up to 240 IP phones. Lab exercises reinforce learning as you build CME and CUE networks using Voice over IP VoIP. Simple VoIP concepts are also covered and applied...; Tags: Phone, Telephony, Router, Network, IP Telephony, Cisco Systems Inc., PSTN, AutoAttendant, VOIP, Routers & Switches, Networking, Telecommunications; Training 2008-01-01
CMBA - CallManager Basic Administration v4.1: View Available Dates and LocationsOur enhanced 3-day course delivers the skills you need to add, move, change, and troubleshoot IP telephony devices. Learn the skills required to support IP phone users and identify network and server impact when administering changes. You will also configure the latest Cisco...; Tags: Global Knowledge Network Inc., Administration, IP Telephony, IP, Cisco Systems Inc., PSTN, VOIP, Network Technology, Networking, Telecommunications; Training 2008-01-01
CIPT1 - Cisco IP Telephony Part 1 v6.0 or v5.1: View Available Dates and LocationsNow running both CUCM 6.0 and 5.1 in all labs! Exclusively at Global Knowledge, you choose the version of Cisco Unified Communications Manager CUCM you wish to deploy in your lab environment. You'll receive both CUCM 6.0 and 5.1 enhanced lab guides, and...; Tags: Global Knowledge Network Inc., Telephony, Router, Network, IP Telephony, IP, Training, Cisco Systems Inc., PSTN, VOIP, Telecommunications, Telecom & Utilities, Network Technology, Networking; Training 2008-01-01
CUCMBC - Cisco Unified Communications Manager Boot Camp v6.0/v5.1: View Available Dates and LocationsNow running both CUCM 6.0 and 5.1 in all labs! Exclusively at Global Knowledge, you choose the version of Cisco Unified Communications Manager CUCM you wish to deploy in your lab environment. You'll receive both CUCM 6.0 and 5.1 enhanced lab...; Tags: Global Knowledge Network Inc., Router, Lab, Network, Unified Communications, PBX, Cisco Systems Inc., PSTN, Routers & Switches, VOIP, Network Technology, Networking, Telecommunications; Training 2008-01-01
How Cisco IT in India Converged the VoIP and PSTN Infrastructure: 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. Because PSTN and VoIP could not be interconnected, two network infrastructures were needed - essentially two...; Tags: Information Technology, Cisco Systems Inc., PSTN, VOIP, Telephony, Telecommunications, Networking; Case studies 2007-12-18
Dynasoft TeleFactura Billing (exe): Web-ready, Dynasoft TeleFactura is the definitive voice/data billing and engine solution for any company needing a full-featured solution to manage/control the access of their voice/data customers. TeleFactura interfaces with any Radius/AAA-compatible equipment to give full telephony and gatekeeper engine capability. We also offer hosted and outsourced service options to mitigate...; Tags: SIP, Telephony, Outsource, PSTN, Dynasoft TeleFactura, Session Initiation Protocol (SIP), VOIP, Telecommunications, Telecom & Utilities, Interactive Voice Response (IVR), Outsourcing, Emerging Technologies, Networking, It Operations, Business Operations, Outsourcing & Subcontracting; Software downloads 2007-09-14
Comcast VoIP 1, Dave "Grandfather of Internet" Farber, 0: And so, as Rich Tehrani reports, it played out in a Texas courtroom yesterday when Comcast successfully defended itself against a $2.2 billion lawsuit filed by Caritas Techologies.Dave Farber, who is often cited as the "grandfather of the Internet," holds a series of VoIP-related patents. That was, and is,...; Tags: Telephony, TELECOMMUNICATIONS, Internet, Comcast Corp., conferee, telephone, Caritas Techologies.Dave Farber, patent, VoIP, in-charge conferee, PSTN, network; Blog posts 2006-11-14
XCallerID (zip): New version for Caller ID program. It works with PSTN, ISDN & Mobile lines. Persons Database (Name, Address, Phone, Mobile, e-mail, job, birthday); Messages Database (Title, DateTime, Message, Sound, Program); Incoming Calls Database (Name, Phone, DateTime, Rings, Line) It supports PSTN, ISDN and now Mobile phones connected via cable, irda...; Tags: Phone, Mobile, ISDN, PSTN, Telecom & Utilities; Software downloads 2006-08-10
Study: VoIP reliability, audio quality still not equal to PSTN: Study: VoIP reliability, audio quality still not equal to PSTNVoIP ReliabilityWe started using a product called the EdgePRO by XRoads Networks and it has provided a very good solution for us in terms of VoIP Reliability. I would recommend it highly, as we have had several ISP outages and...; Tags: Telephony, Internet service providers (ISPs), VoIP Reliability, VoIP, PSTN; Discussion threads 2006-07-22
SightSpeed 5.0 beta adds new video codec: SightSpeed released a beta download of its 5.0 version (it's confusingly labeled version 4.6) of its IP video and voice service last night, with a bunch of new features, listed below. The highlight of the beta is a new codec that improves video clarity and resolution. PSTN out calling PSTN...; Tags: SightSpeed, video; Blog posts 2006-05-25
Network Engineering to Support the Bandwidth Manager Architecture: Network level behaviours can impact the determinism of call admission control decisions for a particular bandwidth management deployment. This white paper augments the bandwidth management technical report with a discussion of the impact of different network routing / forwarding models when used in conjunction with the bandwidth manager. The bandwidth...; Tags: Bandwidth Management, Network, PSTN, VOIP, Networking, Telecommunications; White papers 2006-05-01
Hierarchical Inter-CMS Architecture Using Standalone SIP Route Proxy: Cable Multiple Service Operators MSOs are rapidly ramping up their VoIP subscriber base. As they deploy regional Call Management Servers CMSs, they also deploy costly interconnects with the PSTN for routing calls either to another CMS or to the PSTN. A hierarchical inter-CMS architecture using a standalone SIP route proxy...; Tags: SIP, PSTN, Cable Multiple Service Operator, Session Initiation Protocol (SIP), VOIP, Emerging Technologies, Telecommunications, Networking; White papers 2006-03-30
Skype expert: SkypeOut a "lousy PSTN experience": Skype expert: SkypeOut a "lousy PSTN experience"Where's my fork?Time to STICK IT IN THEM. $3 billion in good money after bad. Criminally negligent stupidity.You'll find regrets on eBaySkype is fundamentally unsuited to PSTN calls -- yet this is how they plan to make money? eBay are SUCKERS!Try Stanaphone instead for...; Tags: VOIP, PSTN, Skype Technologies S.A., SkypeOut, eBay Inc.; Discussion threads 2006-02-22