Specializing in both hardware and software design, GL Communications Inc. offers a complete line of T1/E1/T3/OC-3 Test Solutions. GL's field-proven Ultra T1/E1/T3/OC-3 cards are used as the hardware platform for their PC-Based and Laptop-Based testing equipment. GL's Analysis software provides customers with a wide range of telecommunications testing options, including: call and signaling analysis (DTMF, MF, MFC-R2, etc.), protocol analysis (ISDN, SS7, GR-303, Frame Relay, HDLC, V5.X, ATM, GSM, GPRS, etc.), G.168 echo cancellation testing, BERT testing and much more.
Automated Data Testing over Wired & Wireless (Bluetooth®, WiFi, 3G, 4G, LTE) Networks
Communications is dramatically changing as mobility and IP technologies such as LTE, Advanced LTE, WiMax, 3G, and Broadband Internet lead this transformation. As these technologies are rolled out, basic voice/data quality will ultimately determine the fate of carriers and end equipment manufacturers.
GL’s VQuad™ NetTest solution provides automated network data testing while supporting Mobile Devices (Android and Apple) and a PC internet connection.
Using GL’s VQuad™, both Voice and Data Quality can be analyzed simultaneousl..
Intrusive Network Voice Quality Testing
Overview | Network Monitor VQT Components | Distributed VQuad™ Node | Voice Quality Testing(VQT)
Voice Band Analysis (VBA) | Echo Measurement Utility (EMU) Software | NetTest from PC and Mobile devices | Remote Client WebViewer™ | VQuad™ Command Center | Buyer's Guide
Click here to get more information on "WebViewer™ Live Demo"
Today's telecommunication network is a combination of Wireless networks, VoIP networks and traditional PSTN networks. With voice communication traversing through varieties of bearer networks, mainta..
Network Impairment Simulator
Testing system performance under realistic network conditions requires the introduction of impairments that could be expected to be seen on networks, especially public networks which are uncontrolled. There are a number of ways to do this. A basic method is to use network simulation devices that can emulate conditions expected to be encountered.
Packet loss can include a straight-forward % of packets to be lost to burst models where for an error event a certain number of packets will be disrupted. Latency or packet delay, and jitter, the variance in inter-packet delay, out-of-order packets, duplicate packets, and network congestion are other types of packet..
Test Engineers can now efficiently test voice quality with common platform and common software, thereby avoiding purchasing dedicated software and equipment for various technologies. The test tools provide the means of sending and receiving speech signals through various network interfaces. GL's VQT (Voice Quality Testing) software then rates the transmissions using ITU standard algorithms POLQA, PESQ and PSQM. Mean Opinion Score (MOS), speech level, noise level, echo, and other distortions common to voice transmissions are measured and provided automatically, remotely, and repetitively as required by the end user. Typical network applications include VoIP systems, PSTN, ..
(Wireless Voice Quality Testing Goes Mobile)
Overview | Main Features | VQT Results and GPS Mapping
Hardware Configuration | Wireless Call Control | Buyers Guide
Voice Quality Testing for wireless networks is an increasingly important concern throughout the industry.
GL's Wireless VQT solution provides all the necessary equipment and functionality in order to fully manage voice quality testing on wireless networks. Adding to its existing wireless test solution, GL introduces Wireless VQT Drive-Testing, which provides the necessary portable equipment and functionality for a true mobile test. The GL Dri..