GL Announces SS1 Protocol Analyzer

23rd March 2010

ES Admin

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GL Communications Inc., announced today the release of its newest SS1 Protocol Analyzer software for its T1 E1 hardware platforms. Addressing the press conference, Mr. Vijay Kulkarni CEO of the company said, “Selective Signaling 1 or SS1 is a 2 and/or 3 digit dial system used by the Federal Aviation Administration. GL's SS1 Analyzer detects and analyzes tone sequences that make up SS1 dial digits. Sequences of pulse and guard tones are detected, decoded, and assembled into their corresponding dial digits. The tone sequences are also verified for compliance against a specification parameter file which can correspond to published standards or user criteria”.

He added, “GL's T1 E1 Cards and USB based T1 E1 units provide dual T1 E1 ports and dual VF ports thru which SS1 protocol analysis is possible”.
Mr. Kulkarni elaborated, “For Offline analysis, the SS1 analyzer allows users to specify the folder containing the files for SS1 analysis. File formats supported are a-law and u-law pcm files”.

Important Features

* T1 or VF real time monitoring and analysis
* Offline (file based) analysis of prerecorded files
* Ability to capture either TDM or audio signals
* Configuration screens to conveniently specify the criteria used to evaluate the sequence of SS1 tones, including specifying the use of 2-digit or 3-digit dial codes
* Display of received dial codes, including the characteristics of the underlying tones. Dial codes whose underlying tone sequences do not meet stated criteria are clearly identified with the erroneous tone characteristics highlighted
* Provides controls to save sets of evaluation criteria, to reinstate previously saved criteria, and to reinstate factory default (industry standard) settings
* Save results to files in a form that is widely understood by popular desktop data management and analysis tools such as Microsoft® Access and Microsoft® Excel
* Allows easy reviewing any number of selected dial code sequences and their underlying tone sequences while ongoing capture and analysis is proceeding
* Operate the SS1 Analyzer either remotely from the data acquisition site, or as on the same PC that is capturing the data