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GL Communications
is a global provider of test and measurement tools for TDM, VoIP, and Wireless networks. Founded in 1986, GL is headquartered in Gaithersburg, MD, USA with branch offices in Bangalore, India, and Shanghai, China. GL's Packet Series products provide the simulation and analysis needed to test today's Voice over Internet Protocol (VoIP) networks. VoIP test tools can be used to test IP end point devices such as Gateways, IADs, IP phones, Soft phones, and so on for voice, fax, data, or multimedia transmission over IP.Amost all standard VoIP protocols - Ethernet, SIP, RTP, RTCP, MGCP, MEGACO, H323, SIGTRAN, with control over signaling are supported. Manual and bulk calling are available along with the ability to simulate traffic (Voice, Digits, Tones, Talk, etc.) after the session is established. A detailed protocol analysis provides a packet-to-packet investigation, thus allowing packet delay, jitter, etc. to be calculated automatically. Real-time RTP (voice) monitoring and capturing completes a powerful VoIP solution. |
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VoIP Analysis & Simulation Test Tools PacketCheck™ - Ethernet performance analysis tool for 10Mbps, 100Mbps and 1Gbps LAN. Message Automation & Protocol Simulation™ - Protocol simulation and protocol analysis tool along with automation capability, and unlimited ability to edit messages and control scenarios (message sequences); variety of protocols such as MGCP, SIP, MEGACO, SS7, , ISDN, GSM, and others. IPNetSim™ - Simulates an entire IP network in a single-box; tests all real-time IP network conditions and other link impairments independently in both directions at speeds of up to 100 Mbps (or1Gbps per link). PacketScan™ - Monitor tool to capture live IP traffic; Monitor / record audio and video data of a session to files; Detailed call statistics such as packet loss, gap, jitter, delay, RTP performance statistics, and unparalleled voice band statistics. RTPToolBox™ - Simulation tool to create and terminate RTP sessions, independent of call-signaling protocols such as SIP, H323, MEGACO, or MGCP; Monitor RTP and RTCP packets. PacketGen™ - VoIP bulk call generator for stress testing and precise analysis of the VoIP network equipment; generates both SIP signaling & RTP traffic (voice, fax, digits, tones); manual and bulk calling capabilities with complete flexibility on each call session. VoIP Network Analysis Solutions Voice Quality Testing in VoIP - GL’s VQuad™ with the optional VoIP package provides a complete voice quality testing solution for VoIP network elements. Available solutions include Testing VoIP Soft-phones, Testing Analog Telephone Adapters (ATAs), and Testing VoIP, Analog and Digital Phones. Echo Canceller Testing in VoIP - GL has the broadest range of testing solutions for echo cancellers (EC) in VoIP, TDM, and Wireless networks; tools help to characterize echo, noise, and speech characteristics of voice connections. Network Surveillance in VoIP - The non-intrusive solution uses GL's Ethernet probe called "PacketScan™" to monitor packet flows in real-time within a VoIP network. A central database stores the real-time and historic data. The Real-time Voice-band Analyzer (VBA) is another analysis tool that works with PacketScan™. The system also facilitates various views using a web interface – PacketScanWeb™, and VBAWeb™. The intrusive monitoring system uses GL’s VQuad™ to automatically place voice calls between end points; quality is measured and provided for display at an NMS. Voice measurements include MOS (Mean Opinion Score), round trip delay (RTD), jitter, clipping, voice levels, etc T1 E1 Single or Dual Multiport Repeater T1 E1 Multiport Repeaters are used to generate multiple identical T1 E1 outputs for each T1 E1 input, thus increasing the range and number of T1 E1 signals. Learn More |
GL Communications announces Emulation of 3G Protocols Over IP The transition to an all IP infrastructure is not necessarily waiting for LTE (4G). Carriers are building out their 3G networks opting for IP (Internet Protocol) over ATM (Asynchronous Transfer Mode) in the core network. GL Communication's latest product emulates all elements involved in the IuCs and IuH interfaces, namely the RNC, MSC, Home NodeB (HnB - Femtocell), and Home NodeB (HnB) Gateway.Learn More GL Announces SIGTRAN Protocol Simulator for ISDN over IP GL Communications Inc. has announced the release of its newest product, SIGTRAN Protocol Simulator for ISDN over IP - an advanced protocol simulator/tester used for simulating SIGTRAN ISDN.Learn More GL Announces IPNetSim™ with Multi Link and 10 Gbps Rates IPNetSim™ is an IP network simulator that simulates impairments commonly found in IP Networks, such as bandwidth constriction, congestion, packet jitter, packet delay, packet bit errors, packet loss and other conditions. It can be used to test IP end point devices such as Gateways, IADs, IP phones, Soft phones, and so on for voice, fax, data, or multimedia transmission over IP.Learn More STM-1 Mux and Traffic Capture / Analysis GL Communications has announced the release of STM-1 Mux - a product that multiplexes and demultiplexes 63 E1 signals to and from an optical STM-1 stream. STM-1 Mux is a cost-effective (inexpensive), compact, only 1U high, SDH (Synchronous Digital Hierarchy) multiplexer designed for applications in metro and access networks for efficient transport of traditional TDM and emerging data traffic.Learn More |
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