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  • High Definition Voice Testing with High Density Analog Phone Simulator
    Welcome to an November, 2018 issue of GL's Newsletter providing information and insight into our High Density 24-Port HD FXO VQuad TM that supports voice quality testing, echo testing, and multi-stage dialling along with other services for testing HD and SD voice over Analog / PSTN networks.
  • High-Density Bulk Call Generator for TDM, IP, Wireless Networks
    Message Automation and Protocol Simulation (MAPS TM) platform is the basis for all signaling protocols and for traffic generation - whether voice, tones, digits, fax, data, or video. It covers legacy PSTN, next generation VoIP, and Wireless equipment, interfaces, and networks (depicted below
  • How Patton and Techlan Reti Transported Norbert Dentressangle to Converged IP-Communication
    Intra-office communications were complex and costly. for Norbert Dentressangle operations in Italy. Routing. internal calls (among main and branch offices) through. Telecom Italia was tallying up excessive. monthly PSTN charges for the. supply-chain management firm. With so many facilities
  • Central Office Switching Simulator
    Welcome to the September 2019 issue of GL Communications' Newsletter providing insight into our latest product release, MAPS TM Central Office Switching Simulator - which provides a single solution for testing traffic and signaling across PSTN, IP and TDM networks in one platform. MAPS TM (Message
  • Load Test Your Call Centers!
    GL Communications can test call center functionality by automatically generating hundreds of calls from a lab environment or over the Public Switched Telephone Network (PSTN). Our solution can test interactive voice response (IVR), voicemail (VM) functionality, and measure voice quality. These call
  • The role of multicore in the evolution of communications
    of the public switched telephone network (PSTN) and early cellular networks to the packet switched technologies of the Internet. The growth in user services has placed pressure on service providers to support new applications (Figure 1) while maintaining their traditional quality. These services
  • Speech Quality Assessment of VoIP Devices
    of speech quality within VoIP and PSTN networks is vital for the satisfaction of the end-user or customer experience. Businesses spread across geographic locations and increased telecommuting has triggered drastic demand for VoIP phones. Consequently, VoIP phone manufacturers face tremendous pressure
  • Call Quality Testing in the Contact Centres
    Welcome to our August 2018 issue of GL's Newsletter providing information and insight into our new call quality monitoring and audio quality testing in the large contact centers across a wide variety of networks (VoIP, TDM, PSTN, and Wireless). Audio quality along with simple audio path
  • Customer Premises Equipment (CPE) (.pdf)
    CPE is defined as any telephone terminal equipment which resides at the customer's site and is connected to the Public Switched Telephone Network (PSTN). Telephones, modems, caller ID adjunct boxes, PBXs, and answering machines are all considered CPE. CPE should be protected against overvoltages
  • VoIP: Addressing QoS Beyond The Provider Network
    expect the Internet to deliver toll-quality voice with the same clarity as the traditional Public Switched Telephone Network (PSTN). To meet those expectations, the Internet connection must be more than merely reliable, it must be time-sensitive. Each and every voice packet must be delivered without

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