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.
Call Data Records
GL’s Call Data Records (CDR) is the software-based call-processing part of the GL’s TDM Call Capture and Analysis (CCA, PacketScan™, PPP Analyzer) solution. The CDR output centers around each ‘call’ and for each call it reports comprehensive information occurring on T1 and E1 lines and IP networks, including,
voice capture for both directions
supported codecs data rates are - a-law, µ-law, 16-bit PCM (Intel), 16-bit PCM (Motorola), MS Wave, G.726 (40 Kbps, 32 Kbps, 24 Kbps, and 16 Kbps), and 14-bit 16 KHz G.722 (64 kbps)
complete signaling information for each direct..
Digital Central Office Switch Simulator (DCOSS)
DCOSS Software Version 5.4.5 is Now Available with Windows XP Support also! Click here to download
Description | Related Links | Features | Screenshots
Specifications | Latest Software | Buyer's Guide
TMC Labs Review of DCOSS: Internet Telephony March 2002 Issue
Communications Convergence Magazine Article on DCOSS
Download DCOSS Release Notes 5.4.5
The Digital Central Office Switch Simulator (DCOSS) converts a PC (portable, tower, rack-mount) into a digital central office switch simu..
Handheld multi-functional, multi-technology test platform for Ethernet, IP, SONET/SDH/PDH, OTN & Fibre Channel.
Test & Measurement’s SMALLEST, ULTRA LIGHTWEIGHT handheld testing solution for Ethernet, & Fiber-Channel networks
Key BlueScope Benefits
Unmatchable market performance
-Test up to 32-Mulistreams each with customizable traffic profiles.
-Powerful Packet Flooding. Flood nearly any field of a packet including MAC, VLAN, MPLS with Layer 3 & 4 payload options.
-Dual port Packet Capture and Analysis utilizing WireShark engine
-The most compact OTN tester on the market. Supports OTU-1/2
-Unparalleled physical layer testing on..
The GL's LinkTest™ Dual E1 is a handheld dual-port tester for E1 and data communications (V.11 / X.24, V.24/RS232, V.35, V.36/RS449, EIA-530, EIA-530A) interfaces. Port A is full featured 2048 kb/s interface. On the other hand, Port B usage is configurable (2048 kb/s TX/RX, co-directional, clock input). The LinkTest™ Dual E1 has an external DC input but it also has internal batteries. This makes this tester suitable for field testing applications.
With the support of a large range of software options for E1 services and sub rate multiplexing system, this handheld unit provides a scalable test solution for E1 and data testing. It provides a large, clea..
Message Automation & Protocol Simulation (MAPS™)
GL's Message Automation & Protocol Simulation (MAPS™) is a protocol simulation and conformance test tool that supports a variety of protocols such as SIP, MEGACO, MGCP, SS7, ISDN, GSM, MAP, CAS, LTE, UMTS, SS7 SIGTRAN, ISDN SIGTRAN, SIP I, GSM AoIP, Diameter and others. This message automation tool covers solutions for both protocol simulation and protocol analysis. The application includes various test plans and test cases to support the testing of real-time entities. Along with automation capability, the application give..
tProbe™ - T1 E1 VF and Serial Data Analysis and Emulation Hardware
….the future of T1 E1 VF Data Analysis / Emulation
Overview | Features & Benefits | Basic Software/Features | Loopbacks
Screenshots | Specifications | Application Notes | API Development Toolkit | Buyer's Guide |
T1 E1 Release Notes
T1/E1 Software Ver 7.12.3 is Now Available! Download it here
Applicatin ToolKit for Windows® and Linux Available - click here to know more
Click to watch tProbe™ Video
GL's new tProbe™ is an enhanced version of our popular USB based T1 E1 VF Analyzer / Emulator. This ..