Modular PC-based telecommunications analysis, measurement, & simulation.PC-Based T1/E1/T3 Analysis Specializing in both hardware and software design, GL Communications offers a complete line of T1/E1/T3 test solutions. Our PC-based and Laptop-based analysis tools utilize GL's field-proven Ultra Cards as their hardware platform. GL's T1/E1 software provides an outstanding variety of testing options in the key areas of voice band analysis, protocol analysis (ISDN ISDN in full Integrated Services Digital Network Digital telecommunications network that operates over standard copper telephone wires or other media. , SS7, GR-303, HDLC (High-level Data Link Control) A data link protocol from ISO for point-to-point communications over serial links. Derived from IBM's SDLC protocol, HDLC has been the basis for numerous protocols including X.25, ISDN, T1, SS7, GSM, CDPD, PPP and others. , Frame Relay, V5.X, etc.) and echo cancellation (manual, semi-automated, and automated per ITU G.168). Voice Quality Assessment GLs Voice Quality Testing (VQT) Software simultaneously employs PAMS PAMS para-amino salicylic acid. , PSOM PSOM Primary Secretory Otitis Media PSOM Persistent Shared Object Model protocol (Microsoft's Office Communications Server implementations) PSOM Parallel Successive Over-Relaxation Method PSOM Pseudo-State Optical Model , and PESQ PESQ Perceptual Evaluation of Speech Quality (ITU-T) algorithms. There are several different versions of the software. One is tailored for use with the analysis cards, and another is optimized for use with the DCOSS DCOSS Digital Central Office Switch Simulator (GL Communications Inc.) DCOSS Defense Communications Operating Support System DCOSS Dedicated Central Office Switch Service . A third version is available for use with GL's Analog Test Set which provides a pair of analog two-wire interfaces (RJ-11) and optional 4-wire cellular phone interfaces for assessing voice quality on analog and wireless systems. Typical network applications include VoIP, PSTN, ATM, Frame Relay, and Wireless Networks. Digital Central Office Switch Simulation/Bulk Call Generation GL also offers a versatile line of products called the Digital Central Office Switch Simulator (DCOSS) that is ideal for simulating and testing advanced telecommunications networks such as switches, gateways and transmission systems. The OCOSS mimics a Class V switch; establishes Voice, Modem, and Fax calls, and performs quality measurement for VoIP, PSTN, ATM, and Wireless Networks. An ancillary product is the Analog Phone Simulator which provides analog telephone interfaces to telecommunications test equipment. |
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