GL Communications, Inc. Datasheets for Network Test Equipment

Network test equipment is used to test, probe, and analyze telecommunication, network and telephone systems.
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Product Name Notes
eGTP, also called evolved- GPRS Tunnelling Protocol (GTP) or GTP version 2 (GTPv2), is primarily used in LTE for exchanging user traffic over GTP tunnels across the...
Complex T1 E1 testing just got simpler with GL's new portable USB based T1 E1 analyzer ! GL's new USB based T1 E1 Analyzer is the world's most powerful, compact,...
MAPS™ APS is the high capacity Analog 2-wire Bulk Call Generator used to test a Central Office (CO), PBX, ATAs, Gateway or other telecommunications equipment, which provide local loop interfaces.
Mobile Application Part (MAP) is an application layer protocol used by various elements in GSM, UMTS, and GPRS mobile core networks to provide services to mobile phone users. MAP can...
Multi Stream UDP/TCP Traffic Generator and Analyzer is a hardware-based Ethernet tester capable of generating multi-stream Ethernet traffic of varying packet length and also analyze the loopback traffic. It has...
Packet Data Analysis (PDA) is an outstanding tool for live monitoring of signaling and traffic over IP. Packet Data Analysis (PDA) is distributed with GL’s Packet Analyzers, allowing users...
PacketGen™ is a PC-based real-time VoIP bulk call generator (including both SIP signaling and RTP generation) for stress testing and precise analysis of the VoIP network equipment. PacketGen™ is based...
Universal Mobile Telecommunications System (UMTS) is a 3rd generation mobile technology that can support greater data rates for voice and video data to the wireless end users. The underlying transport...
A T3 line is an ultra-high-speed signal capable of transmitting data at rates up to 44.736 Mbps. An E3 signal is situated at the third level within the Plesiochronous Digital...
As traffic intensity increases, network elements within wireless network (including switches, routers, gateways and transmission) can impart various impairments such as errors, excessive delay, congestion, blocking, loss, and degrade quality.
Asynchronous Transfer Mode (ATM) is a flexible network protocol carrying voice, video, and data in fixed length cells. ATM network has two kinds of interfaces, UNI (Interface between ATM User...
Asynchronous Transfer Mode (ATM) is a flexible network, which carries voice, video, and data in the same way, i.e. fixed length cells. It has generated a number of revenue opportunities...
BICC (Bearer Independent Call Control protocol) is a call control protocol based on ISUP and is used between the serving nodes to support ISDN services independent of the bearer and...
Call-center quality engineers, brokerages, government agencies, and other entities have a need to monitor fax transactions. Monitoring is done by recording the analog or IP traffic using suitable call capture...
Capturing and analyzing high volume calls is increasingly important to Wireless Carriers, Internet Service Providers, and Equipment vendors to ensure that quality of experience does not degrade with call intensity,...
CDMA technology has undergone many stages of revolution to offer improved voice and data service to the end users. In order to deliver both voice as well as data service...
Channel Associated Signaling (CAS) is a method of signaling in telephone networks where each channel or timeslot carrying speech also carries with it the signaling and addressing to set up...
CSFB is a technology devised to allow Voice and SMS services to travel over LTE (packet-based all-IP) networks, which cannot normally handle circuit switched services. So, when a LTE device...
DCME testing, analysis and verification is easy with GL's DCME Analyzer. The DCME Analyzer is a PC-based system (Desktop/Laptop) with GL's Dual port USB E1 pod to connect non-intrusively to...
Frame Relay is another commonly used data link protocol based on packet switching technology. It is mainly incorporated by the corporate data networks due to its cost-effective data transmission, and...
Frame Relay is commonly used data link protocol based on packet switching technology. It is mainly incorporated by the corporate data networks due to its cost-effective data transmission, and flexible...
FXS and FXO are ports used by analog phone lines or phones. A Foreign Exchange Subscriber (FXS) port supplies ring voltage, battery current, dial tone and voice signals. Foreign Exchange...
Generally, today’s applications are intended to work on different networks such as enterprise networks, storage, cloud services, web services, ftp, audio/video streaming, etc. Typically, such applications have a client and...
GL Insight™ enables decoding and analysis of pre-recorded modem and fax transmissions. The transmission signals can be recorded from PSTN or IP media. It is a unique system used by...
GL offers next generation Dual UTA HD hardware unit, which supports all the interfaces and telephony devices as that of Dual UTA unit in a smaller (compact) design, with most...
GL provides client –server based TRAU Record/Playback, and TRAU Emulation & Analysis modules The WCS TRAU Tx/Rx Test (TrauTerr) module is a GUI based client as well as command-line based...
GL’s RTP Core allows creating, managing and deleting RTP sessions. RTP Core is a stand-alone application that acts as an interface between RTP Dll and the integrating applications such as...
GL’s ISDN Emulator for T1E1 network is available as GUI based as well as Command-line based applications through which the various ISDN configurations can easily be created, thereby allowing the...
GL’s PacketExpert™ 10G provides comprehensive testing of 10 Gbps wirespeed Ethernet/IP networks. It has two 10 Gbps Optical ports, and two 10/100/1000 Mbps Electrical/Optical ports capable of BERT, Smart Loopback,...
GL’s vHandi™ is a compact portable hand-held FXO simulator (Foreign Exchange Office) that can simulate an analog phone. The vHandi™ call and voice tests can be completely automated or...
GL's Dual T1 E1 Express (PCIe) Boards are high-density dual T1 or E1 boards with newer PCIe (x1) bus interface. These cards are identical to the portable tProbe™ units, except...
GL's IPNetSim™ Handheld is a hand-held battery operated instrument that can simulate the real-time IP and Carrier Ethernet network dynamics by means of hardware controlled packet delay, loss, jitter, errors,...
GL's LTE Protocol Analyzer within PacketScan™ - All IP Protocol Analyzer is capable of capturing, decoding and performing various test measurements across various interfaces i.e. S1, S3, S4, S5 (or...
GL's Octal & Quad T1 E1 boards are high density and provide Four (4) or Eight (8) RJ-48 T1 E1 ports and multiples thereof. For example, configurations of 8, 12,...
GL's PacketShark™ is a portable product that can tap packet networks, capture Ethernet packets at wire speed, i.e., in optical or electrical interfaces up to 1 Gb/s and selectively filter...
GL's VQuad™ Probe HD is an all-in-one self-contained node supporting multiple physical interfaces for connecting to practically any wired or wireless network while automatically performing voice and data testing. This...
GL's ISDN Emulator offers a complete solution for testing, troubleshooting, installation and maintenance of devices and networks implementing PRI ISDN. It is useful to test ISDN products designed for either...
GL's Message Automation & Protocol Simulation (MAPS™) designed for SIP testing can simulate User Agents (User Agent Client- UAC, User Agent Server-UAS), Proxy, Redirect, Registrar and Registrant servers. This test...
GL's new tProbe™ is an enhanced version of our popular USB based T1 E1 VF Analyzer / Emulator. This hardware incorporates all the features of the previous analyzer such...
GL's TRAU Analyzer is used to non-intrusively monitor TRAU frames at the A-bis interface (BTS to BSC links), and A-ter interface (BSC to MSC links). Application can automatically detect and...
GPRS and UMTS are evolutions of the Global System for Mobile Communications (GSM) networks. GPRS is a 2.5G mobile communications technology that enables mobile wireless service providers to offer their...
GPRS Service was introduced (in the late 90's and early 2000's) to enhance data carrying capabilities of the basic GSM Network. GL Communications supports the following types of GPRS analyzers:...
GPRS, or General Packet Radio Service, was introduced (in the late 90's and early 2000's) to enhance data carrying capabilities of the basic GSM Network. Initially it used the conventional...
GR-303 is a standard interface for Integrated Digital Loop Carrier (IDLC) systems that consists of an Integrated Digital Terminal (IDT) located in the Local Digital Switch (LDS) and a Remote...
GSM being one of the first mobile communications standard, was predominantly over traditional TDM network. It continues to be the default standard in many parts of the world. With recent...
GSM is a globally accepted standard for digital cellular communications. GSM stands for Global System for Mobile Communication and is an open, digital cellular technology used for transmitting mobile voice...
GSM stands for Global System for Mobile Communication and is an open, digital cellular technology used for transmitting mobile voice and data services. A GSM network is made up of...
Internet Protocol (IP) Multimedia Subsystem, popularly known as “IMS”, is built on Session Initiation Protocol (SIP) as the base to further support packaging of voice, video, data, fixed, and mobile...
ISDN is a very common protocol in the legacy network. There are two types - PRI (Primary Rate Interface or 23B +D) for T1 E1 lines and BRI (Basic Rate...
Mobile networks are in the process of transitioning to Long Term Evolution, a Fourth Generation (4G), all packet network architecture. It will permit vastly higher data rates to mobile smart...
MTP2 (Message Transfer Part Level 2) protocol operates on layer 2 of OSI. In SS7 network, it is responsible for the reliable transmission of higher layer signal messages over an...
Multi-Link Frame Relay, or MFR, is similar to Multi-Link PPP, and both are a form of inverse multiplexing. Users rely on inverse multiplexing when access line capacity does not scale...
Packet capture and analysis is crucial for managing large and small-scale networks. Tools to capture and replay are often useful for service providers who wish to make field captures of...
PacketExpert™ is a portable (USB based) Quad Port Ethernet / VLAN / MPLS / IP / UDP Tester with 4 Electrical Ethernet Ports (10/100/1000 Mbps) and 2 Optical Ports (1000...
PoS is a highly scalable layer 2 protocol that uses PPP encapsulation to carry IP packets directly in SONET/SDH networks. Currently it carries a majority of the Internet traffic because...
s ExpertSAM™ is an optional application with GL’s PacketExpert™, Ethernet / IP Tester that comes in 2 platform variants – ExpertSAM™ 1 Gbps (PXE106) – This is a quad port...
Selective Signaling "SS-1" is a 2 and/or 3 digit dial system used by the Federal Aviation Administration "FAA" within their National Airspace System "NAS" Ground-to-Ground Air Traffic Control Network. It...
Signaling that occurs between switches (such as PBXs, local exchange carrier and interexchange carrier) in telephone networks is sent either within the voice traffic or on a separate dedicated signaling...
SIGTRAN protocol decoder software is a VoIP testing tool that permits real-time analysis, call trace, capture, and filtering of SS7 and ISDN signaling messages over IP. SIGTRAN uses a new...
SIGTRAN protocols are an extension of the SS7 protocol family, but carried over IP. A Signaling Gateway (SG) translates the SS7 TDM layers to SIGTRAN IP format. It supports the...
Skinny Call Control Protocol (SCCP), also referred to as "Skinny," is a Cisco Systems proprietary signaling and control protocol used to communicate between IP devices and Cisco Unified Communications Manager...
SS7 (Signaling System 7) separates the information required to set up and manage telephone calls in the Public Switched Telephone Network (PSTN) onto a separate packet switched network (Signaling Network).
SS7 (Signaling System Number 7) defined by the International Telecommunication Union (ITU- T) is a globally adopted protocol for out-of-band signaling systems. The network elements involved in SS7 networks are...
Testing IP network performance with high volume calls is increasingly important to Wireless Carriers, Internet Service Providers, and Equipment vendors to ensure that quality of experience does not degrade with...
The Dual VF Tx Rx (earlier called as Simplified Audio Client) application is designed exclusively to perform non-intrusive and intrusive VF audio monitoring, VF audio recording, and testing easily. Dual...
The Inverse Multiplexing over ATM (IMA) Emulator application can simulate the inverse multiplexing of an ATM cell stream over multiple physical links and retrieve the original stream at the far-end...
The VQuad™ software is used to automatically send and record voice, video, and data traffic from four different types of network (Quad refers to 4 network types: Wireless, VoIP, TDM,...
The above diagram depicts some of the internals of the Long Term Evolution (LTE) network. The user (UE) has very high speed RF connection to the nearest local tower. This...
The Diameter protocol is intended to provide a framework for Authentication, Authorization and Accounting (AAA) applications such as network access, roaming, and IP mobility. The AAA protocols are used to...
The Dual Universal Telephony Adapter (Dual UTA) is a comprehensive hardware device designed to interface and test the voice and data quality of telecommunication networks. The Dual UTA features all...
The File based HDLC Record/Playback (Hdlcfunc) module is an optional application that allows HDLC Traffic Capture/Playback. It also allows transmission/recepti on of *.HDL frames files located on the server and...
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...
The HDLC is a protocol operating at the data link layer. The HDLC protocol embeds information in a data frame allowing data flow control and error correction. Each flag consists...
The HDLC protocol is a data link layer used for transmitting data between called nodes. The HDLC protocol embeds information in a data frame that allows devices to control data...
The HDLCTerr module performs multi-channel HDLC emulation and analysis. It permits frame error testing and transmission of memory generated sequences of fixed or variable length HDLC frames, GL *.HDL Trace...
The Integrated Services Digital Network (ISDN) system allows voice, data and video to be transmitted simultaneously across the world using end-to-end digital connectivity. ISDN, based on the telephony network, was...
The Media Gateway Control Protocol (MEGACO/H.248) is a signalling and call control protocol used between the Media Gateway Controller (MGC) and Media Gateway (MG) for supporting multimedia stream transmission. The...
The Media Gateway Control Protocol (MGCP) is a signaling and call control protocol used between the Media Gateway Controller (MGC) and Media Gateway (MG). The MGC uses MGCP to instruct...
The MLPPP Analyzer can be used to capture and decode a host of PPP protocols exchanged between pairs of nodes over T1/E1 links. It provides useful analysis of the PPP,...
The Multi-Class Extension to Multi-Link PPP allows a sender to fragment the packets of various priorities into multiple classes of fragments, and allows high-priority packets to be sent between fragments...
The Network Delay Emulator application provides full duplex delay simulation for PoS and ATM based traffic from 1 ms to 500 ms, with incremental delays of 1 ms. The application...
The PoS Analyzer captures a host of PoS protocols exchanged between the two nodes over SONET & provides useful analysis, which includes distribution of protocols, protocol fields, frame lengths, and...
The PPP Analyzer captures a host of PPP protocols exchanged between the two nodes over T3/E3 links & provides useful analysis, which includes distribution of protocols, protocol fields, frame lengths...
The Remote MAPS™ feature is a client server module, designed for multi-node multi-interface simulation from a single GUI. The application has the ability to remotely control multiple MAPS™ Servers running...
The SS7 (C7) IUP is UK national standard protocol used to interconnect two Public Network Operators. The IUP feature was derived from the standards of the Public Network Operators -...
The T1 E1 J1 Switch can be used to control multiple T1/E1 lines to monitor, drop and insert, and perform intrusive and non-intrusive tests simultaneously. One can operate the switch...
The ULTRA T1 (E1) is an enhanced third-generation product that consolidates the essential pieces of industry-standard test equipment into a powerful, PC-Based T1 and E1 solution. Utilizing familiar computer user...
The Universal HD T1/E1 is an enhanced PC-Based T1 and E1 solution that utilizes familiar computer user interfaces, to provide comprehensive and versatile T1 or E1 testing capability at a...
This optional software provides time stamped indications of all signaling bit changes. The application works with one or multiple Ultra T1/E1 Cards or with the Portable T1/E1 Analyzers. Signaling bit...
This software permits the user to transmit and / or capture any signal on T3 or E3 lines with GL's T3/E3 Analyzer. Typical applications include transmission or capture of prerecorded...
Traditional telecommunications networks usually limited to making and receiving voice calls are now supporting enhanced services such as prepaid calling, tele-voting, number portability, call transfer, and so on. Such enhanced...
TRAU Toolbox™ is an ideal tool to test network elements at A-bis and A-ter interface. The tool can be used to create, monitor, and terminate multiple TRAU/GSM traffic (TRAU sessions).
UMTS (Universal Mobile Telecommunications System) being an access network in the mobile communication area provides a common interface to both GSM and GPRS core network. UMTS is capable of handling...
UMTS, or Universal Mobile Telecommunications System is a 3rd generation mobile technology evolved from GSM technology. It uses W-CDMA (Wideband Code Division Multiple Access) as radio access. With increased spectral...
V5.x is a switching and signaling telecommunication protocol between Access Network (AN) and Local Exchange (LE) and operates only on E1 circuits. GL's V5.x analyzer can be used to capture...
Voice communications for air traffic management, whether it is Air-Ground (A-G) or Ground-Ground (G-G) were predominantly over TDM based Air Traffic Management (ATM) networks. With the latest developments in EUROCAE...
Voice, data, and video traffic is exploding as smartphones, IP TV, video streaming, and "cloud" based services takeoff. A majority of the backbone transport for these applications continues to be...
VoIP networks predominantly use SIP to setup and tear down voice calls and increasingly for video and multimedia calls. PSTN networks predominantly use SS7 to do the same. PSTN SS7...
Wireless networks can impair voice, video, and data quality by various means including poor mobile phone quality, voice compression and decompression algorithms, video compression and decompression algorithms, delay, loss or...
With most carriers rolling out multi-services, including voice, video, fax, and data transported via packet networks, there is need for constant testing and monitoring of Quality of Service (QoS) and...