GL Communications provides unique, targeted, PC-based test, analysis and simulation products to the worldwide telecommunication industry. Founded in 1986 and well known for their extensive range of T1/E1/T3/STM-1 Test Solutions, GL Communications have progressively extended their product range to include areas such as voice quality testing (VQT), Echo cancellation testing, Digital Central Office Switch Simulators and Voice over IP (VoIP) simulators and analysers.

Products Available

• E1/T1 Analysis - Portable Solution providing analysis of E1 or T1 lines on your laptop
• OC3/STM-1 Analysis - PCI card that turns your PC into an STM-1 Analyser
• DCOSS - Digital Central Office Switch Simulator
• VQT - Software to Provide Audio Analysis, PESQ, PAMS and PSQM measurements
• Wireless VQT - Automated Voice Quality Testing for Wireless Networks
• PacketGen - Software based SIP Call Generator
• PacketScan - Software Based VoIP and Video Analysis Tool
• RTP Toolbox - Generation and Detailed Analysis of RTP Streams
• GL Insight - Software Provides Fax + Modem Analysis
• Sigtran - Analysis Support for Sigtran VoIP Protocols
• GL VQuad - Multi Network Voice Quality Testing
• GL MobNetMon - Voice Quality Drive Testing

Summary

GL Communication have become recognised experts, within the test and measurement field, with their extensive range of E1/T1 software tools, including echo cancellation and audio analysis. The extension of this product range to include, not only quality measurements for voice, video, fax and modem, but also support of the Voice over IP protocols that are becoming prevalent in today's communications networks, has made GL products a solution for anyone working in telephony.