GL Communications Inc. Announces Portable and Automated Wireless Voice Quality Testing Solutions

GL Communications Inc. Announces Portable and Automated Wireless Voice Quality Testing Solutions

March 31, 2006

    GAITHERSBURG, Md., March 31 /Xinhua-PRNewswire/ -- GL
Communications Inc. today announced a "drive testing
enhancement" to their Wireless Voice Quality Testing
(VQT) Solutions ( http://www.gl.com/drivetesting.html ). 
Users of this new product can automatically analyze voice
quality of their wireless network as they drive through
their geographic region of interest. Features include: a
complete portable solution, automated call control for most
mobile phone models, support for Bluetooth(TM), and mapping
software with voice quality results and mean opinion scores
stamped with GPS time and location coordinates. 

    Rob Bichefsky, Senior Manager at GL explained,
"This tool is conveniently packaged, just plug it into
the cigarette lighter, connect to a PC Notebook using USB
connections, and start the test.  Calls are automatically
and continuously placed and voice quality statistics are
gathered and mapped."  Other quality measures include
round trip delay (RTD) measurements, noise and signal
levels, jitter, and clipping occurrences. 

    Along with automated wireless network testing, GL's VQT
Solutions can also support standard PSTN, VoIP, and T1 E1
networks. 
 
    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 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 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 algorithm PESQ.

    GL's Network Surveillance and Monitoring products
include Probes for TDM, VoIP, ATM, and Wireless networks.
An open standards based approach provides scalable, feature
rich, real-time access to network intelligence. 

    For more information, please contact: 

     Shelley Sharma
     GL Communications Inc 
     Phone: [phone] ext. 114 
     E-mail: [e-mail]

SOURCE  GL Communications Inc.