GL Announces Mission Critical Record/Replay System for Telecommunication Lines

Synchronous Trunk Record-Playback

enhanced Synchronous Trunk Record/Playback application for TDM facilities such as T1 E1, T3 E3, OC-3/STM-1 lines. Possible applications include:
• A dispersed / coordinated mission that involves long and large communications over standard T1 E1 lines. Such a mission can be recorded and replayed precisely for diagnostic, regression, and training purposes
• Record and Replay of precise and exact full duplex T1 E1 communications during a 1st Responder / Homeland Security crisis
• Record and Replay of critical periods in a crisis

GL’s Synchronous Trunk Record/Playback (or STRP) application has both Record and Playback features that permits the user to synchronously record any type of traffic (voice, digits, and tones) on many complete T1 or E1 lines (trunks) with accurate timestamp. Playback of some or all of the recorded data permits the user to recreate the transmission exactly as it occurred.

The STRP application records the live T1 E1 traffic, and saves it to a file. The file naming convention is based on coordinated universal time (UTC) with the precision of 100 nano seconds intervals. UTC-based time is loosely defined as the current date and time of day in Greenwich, England.


Main Features

Record traffic on all 24 T1 channels (or all 32 E1 channels) for a specified duration or continuously.
For large capacity, GL’s Octal T1 E1 boards offers to record and playback on up to 192 T1 channels and 256 E1 channels per board. More scalability can be achieved with multiple boards.
Synchronously Record & Playback live T1 E1 traffic on multiple T1 E1 trunks.
Schedule recording to auto start recording of T1 E1 traffic on a specified Date and Time (Day, Month, Year, Hour, Minute, and Second).
The recorded files can be played back with the Playback feature.
Recording is performed using A-Law, and µ-Law codec
Mark the events as you playback recorded files. Jump to the event directly to start playing back from this event point.
Most valuable application for critical data analysis in defence and research activities.

Recording Feature

Records all the incoming T1 E1 traffic on the selected T1 E1 ports (lines).

Limited Recording
Records Live T1 E1 traffic for a specified duration of time. The Countdown Time display remaining time duration.

Schedule Recording
Automatically start recording Live T1 E1 traffic as per the schedule. Traffic can be recorded continuously or for a specified duration.


Playback Feature

Playback feature provides options to load the recorded files per Mission. Once the file is loaded, you can observe the Mission Name, total duration, Start and End time of the recorded file.

User Defined Events

During playback events can be marked and defined at a particular time. Once the event is defined, user can jump to the event time position. For example, if there are two different voices recorded in the file, then user can mark and jump to that event to listen to a particular voice.


Playback Tools
Provides Play, Continuous Playback, Pause, Stop, Backward, and Forward features to listen to a recorded file.


For more Info please visit GL web site


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