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Press Release: GL Announces Enhancements to
Voice, Fax, and Modem Testing Solutions

Gaithersburg, Maryland, USA - April 24th, 2006 - GL Communications Inc, today announced Enhancements to their Voice, Fax, and Modem Testing Solutions. Briefing the news to the press, Mr. Vijay Kulkarni, CEO of the company said, "Looking at the electronic communication trends, voice, fax, and modem transmission continue to be dominant forms of communicaton over a wide variety of wired and wireless networks". He continued, "Wireless networks now carry more voice than wired networks with over 2.2 billion mobile phones or 60% of worldwide phones. Wireless voice growth has yet to peak. So voice, fax and modem are here to stay for the foreseeable future".

Mr. Kulkarni emphasized, "To successfully deploy voice, fax, and modem services requires extensive network design, test and traffic engineering. In this process, test equipment can prove valuable, if it can: Generate and receive voice, fax, and modem signals in bulk over wired and wireless networks. Monitor and distinguish voice, fax, and modem signals in real time for traffic engineering and network design purposes. Analyze voice, fax, and modem signals after capture for troubleshooting failed or poorly handled calls".

GL's suite of Voice, Fax, and Modem solutions product provide: Voice, Fax, and Modem Signal Generation and Reception, Fax and Modem PSTN Call Capture and Analysis, Fax and Modem IP Call Capture and Analysis, and Voice, Fax, and Modem Classification. For comprehensive information on GL's Voice, Fax, and Modem testing solutions click here.

About GL Communications Inc

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

GL's TDM Analysis & Emulation line of products includes T1, E1, T3, OC-3, STM-1, analog four-wire, and analog two-wire interface cards and solutions. Capabilities include voiceband traffic analysis and emulation across all traffic types (voice, digits, tones, fax, modem), all protocols (HDLC, ISDN, SS7, CAS, GSM, GPRS, CDMA), and with capacities up to thousands of channels.

GL's VoIP products generate / analyze thousands of calls simultaneously with traffic types such as voice files, digits, tones, noise, and fax using G.711, G.729, AMR, EVRC, and GSM codecs. Additional features include visual analysis, real-time listening, recording, and voice quality assessment using ITU algorithms PAMS, PSQM, and PESQ.

GL's Wireless Products perform protocol analysis and voice quality assessment on GSM, CDMA, UMTS, and CDMA 2000 networks. Connections can be made to any wireless phone with automated call control, GPS, mapping software, and real-time signal measurements.

GL's Echo Canceller testing solutions provide the broadest range of simulation and analysis, including compliance testing per G.168 and G.160.

GL's Network Surveillance and Monitoring products include Probes for TDM, 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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