GL Communications, Inc. Datasheets for Network Emulators

Network Emulators are designed to simulate the potential behaviors of computer networks.
Network Emulators: Learn more

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...
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...
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...
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.
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...
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...
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 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 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 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 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...
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, 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...
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...
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 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 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 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 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 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 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 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 -...
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, 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...
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...