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Press Release: GL Announces Enhanced T1 E1 Products and Software

Gaithersburg, Maryland, USA - December 7, 2009 - GL Communications Inc. announced today the release of T1 E1 Analyzer Software Version 5.28 with new applications and enhancements. Briefing the news to the media, Mr. Vijay Kulkarni, CEO of the company said, "Our T1 E1 Analysis suite of products provides comprehensive analysis and emulation capabilities for voiceband analysis and signaling protocol analysis. Two new applications introduced into the T1 E1 version 5.28 are: Call Data Records and Voice Band AnalyzerĒ. He added, ďCall Data Records (CDR) is an optional application. It works with CCA (Call Capture and Analysis) and VBA (Voice Band Analyzer) applications and generates Call Summary and Call Detail reports. CDR provides comprehensive information on each and every call occurring on T1 E1 lines.

The Voice Band Analyzer is an analysis tool for monitoring voice band network traffic. It can host different analysis modules for monitoring speech and noise levels, and line echo. The VBA application can now be invoked from T1/E1 Analyzer Ė Special Applications menu or from command lineĒ.

Mr. Kulkarni further added, "In addition to the above new applications, a host of significant enhancements were introduced to the following products: MAPS™ - T1E1, Multiple Call Capture, Protocol Analyzer and Windows Client server and other applications". He added, ďThe addition of the two new applications and the enhancements to the existing applications of the T1 E1 Analyzer product suite provides significant value addition to T1 E1 testing needs of customers".

A brief summary of the enhancements in the T1 E1 Analyzer - 5.28 Release are:

  • Support for Vista and Windows 7.0 drivers for Universal Cards

  • Bit Error Rate testing can now be performed in 56kbps mode on all T1 cards

  • VBA enhancement includes Traffic Classification

  • MAPS™ - T1E1
    • MAPS™ GSM Abis - The application is now capable of creating GSM (TRAU) sessions and generating/receiving traffic over the created session based on the codec type.
    • Traffic Options in MAPS - The following commands have been implemented to allow traffic actions

  • Enhancements to Multiple Call Capture Analysis and Goldwave software

  • Protocol Analyzers
    • The SS7 Analyzer enhanced with SS7 CDR improvements that allows direct SSP connections and simplifies data link configuration
    • The application TRAU ToolBox™ has been enhanced with several features.

  • Windows Client Server
    • Error Insertion

      • Logic errors can now be inserted at a user-determined fixed or random rate;
        In Auto Insertion Mode, it is now possible to change the rate;
        Ex:"insert fixed<new rate>", or "insert random<new rate>"
        <new rate>- can be any value between 10-2 and 10-9

    • WCS TrauTerr

      • New Log and Exit commands are added in gls files

    • WCS - The application is enhanced with additional command set:

      • set cross port loopback (on | off) #port-id
      • get cross port loopback #port-id
      • set thru mode (on | off) #port-id
      • get thru mode #port-id

About GL Communications Inc

Founded in 1986, GL Communications Inc. is a leading supplier of test, monitoring, and analysis equipment for TDM, Wireless, IP and VoIP networks. Unlike conventional test equipment, GL's test platforms provide visualization, capture, storage, and convenient features like portability, remotability, and scripting.

GLís TDM Analysis & Emulation line of products includes T1, E1, T3, E3, OC-3, STM-1, analog four-wire, and analog two-wire interface cards, external portable pods, and complete system solutions. Capabilities include voiceband traffic analysis and emulation across all traffic types (voice, digits, tones, fax, modem), all protocols (ISDN, SS7, GR-303, Frame Relay, HDLC, V5.X, ATM, GSM, GPRS, etc.), and with capacities up to thousands of channels.

GLís VoIP and IP products generate / analyze thousands of calls / traffic simultaneously with traffic types such as frames, packets, voice files, digits, video, tones, noise, and fax using G.711, G.729, AMR, EVRC, GSM and a range of other codecs. Additional features include visual analysis, real-time listening, and recording. The product line also includes Ethernet / IP Testing capability that simulates and checks frame transport and throughput parameters of Ethernet and IP networks, including delay, errors and other impairments.

GL's Voice Quality Testing (VQT) product line complements all of GL's products. Using ITU-standard algorithms (PAMS, PSQM, and PESQ), GL's VQT provides a widely excepted solution across the telecom industry. Voice Quality Testing across multiple networks (T1, E1, T3, E3, OC-3, VoIP, Wireless, and Landline) are all available.

GLís Wireless Products perform protocol analysis and voice quality assessment on GSM, CDMA and UMTS networks. Connections can be made to any wireless phone with automated call control, GPS mapping and real-time signal measurements.

GLís Echo Canceller testing solutions provide the broadest range of simulation and analysis, including compliance testing per G.168 and G.160 across TDM, IP, VoIP and Wireless networks. GLís wirelss VQT solutions help assessing impairments to voice quality such as poor mobile phone quality, voice compression and decompression algorithms, delay, loss and gain in speech levels, noise, acoustic and landline echo, and other distortions are easily assessed and accurately measured.

GLís Handheld data testers can test a wide variety of communications facilities and equipment including T1, fractional T1, E1, fractional E1, T3 and E3 modems, multiplexers, CSU, DSUs, T1 CSUs, DTUs, NTUs and TIUs and more. The testers provide convenience, economy, and portability for almost any interface, including RS232, RS-422, RS-530, X.21, T1, E1, T3, E3, and many others.

GLís Network Surveillance and Monitoring products include Probes for TDM, IP, VoIP, ATM, and Wireless networks. An open standards based approach provides a scalable, feature rich, real-time access to network intelligence. Centralized or distributed access, efficient transport and database loading allow compatibility with 3rd party and standards based monitoring systems.

For more information about GL's complete line of products,


Shelley Sharma
Phone: 301-670-4784 ext. 114

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