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Fax PSTN Call Capture and Analysis
GLInsight™ with FAX for PSTN is a powerful and feature rich offline software tool that analyzes pre-recorded PSTN fax calls.
The software demodulates the PCM stream, decodes the fax protocol between the endpoints, and provides the results in a
user-friendly textual and graphical format. V.34HD, V.17, V.33, V.29, V.27, V.21, T.30, and T4/T6 are all supported along with Tiff image reconstruction.
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Fax IP Call Capture and Analysis
GLInsight™ with FAX for IP is a powerful and feature rich offline software tool that analyzes pre-recorded IP fax calls.
The software handles both IP G.711 fax calls and IP T.38 fax calls. In IP T.38 calls, complete decoding and anlaysis of T.38
packets, T.30 frames, T.4 / T.6, and ECM is performed. IP G.711 fax calls are handled similarly to PSTN fax calls.
Complete Tiff image reconstruction is provided for both. GL's PacketScan™ can be used to capture and filter specific IP fax calls.
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Modem PSTN Call Capture and Analysis
GLInsight™ with MODEM for PSTN analyzes modem recordings by appropriate signal analysis, demodulation, phase analysis,
error correction and data decompression. Startup protocols V.8, V.8bis, and V.8 short are supported. Modulations V.92, V.90,
V.34, V.32bis/V.32, V22bis/V.22, V.21, V.23, and Bell 103/ Bell 212 are supported. V.42, V.42bis, V.44, MNP2-4, MNP5, and V.14
are the supported error correction and data compression protocols.
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Modem IP Call Capture and Analysis
GLInsight™ with MODEM for IP analyzes modem traffic recordings within IP packets, by depacketization of the PCM signal,
appropriate signal analysis, demodulation, phase analysis, error correction and data decompression. Startup protocols V.8, V.8bis,
and V.8 short are supported. Modulations V.92, V.90, V.34, V.32bis/V.32, V22bis/V.22, V.21, V.23, and Bell 103/ Bell 212 are supported.
V.42, V.42bis, V.44, MNP2-4, MNP5, and V.14 are the supported error correction and data compression protocols.
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Fax Call Generation
The DCOSS (Digital Central Office Switch Simulator) can generate and receive bulk fax calls (up to 480) using V.27, V.29, V.33,
and V.17 protocols on either E1/T1 trunks or 2-wire analog FXO ports (DCOSS-APS). Supported parameters include Error Correction
(ECM), Resolution, and Fax Header text. Both single page and multi-page faxes can be transmitted/received either manually
(per call basis) or automatically using the DCOSS Bulk Calling and Bulk Call scripting. Using the Fax Quality Test (FQT), the fax
transmission and fax reception may be verified to determine if the fax was properly completed and if the fax speed was properly maintained.
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Modem Call Generation
The DCOSS can generate and receive modem calls (up to 96) using V.21, V.23, V.34, V.90, or V.92 modulations / protocols on
either E1/T1 trunks or 2-wire analog FXO ports (DCOSS-APS). Supported parameters include Error Correction (ECM), Framing, Retraining,
and Modulation among many other parameters. Modem calls may be established manually (per call basis) or automatically using the
DCOSS Bulk Calling and Bulk Call scripting. Once a modem connection is established, the user may send text, files, or just maintain the
connection for an indefinite period of time. The modem connection can be verified using the Modem Quality Test (MQT) feature -
checking transmission speed, retrains, renegotiations, and frame retransmissions.
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T1 E1 Traffic Classifier
GL's T1/E1 Traffic Classifier provides non-intrusive, real-time monitoring and classification of T1 and E1 traffic. It can classify one or more T1/E1 lines
located locally or remotely. The traffic is monitored in real-time for 16 different traffic types including silence, voice, a variety of data modulations, fax
modulations, DTMF digits, and call progress signals. Classification can be done on selected timeslots across multiple T1/E1 lines. A multi-channel strip
chart display shows traffic types and durations using a configurable color scheme. An off-line feature can playback or fast forward through previously
recorded and classified traffic data.
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