QoS TEST SOLUTIONS

Voice / Video / Data

Voice, Video & Data Quality Testing on All Networks

(VQuad™ - Dual UTA HD, VQuad™ Probe HD, vMobile™)

Overview

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, & Analog). The VQuad™ uses a universal adapter such as Dual Universal Telephone Adapter High Density (Dual UTA HD), or VQuad™ Probe HD that provides multiple interfaces for connecting to any communication device on a network. The VQuad™ with any of the above hardware allows to test variety of networks, including Wireless (Bluetooth®, Wi-fi, 3G, 4G, LTE, PTT Mobile Radio), VoIP, Analog, and TDM, practically allowing any end-point interfaces to be tested for voice, data, and video quality.

A single VQuad™ software supports up to 6 Dual UTA HD units, which means up to 12 telephony devices and/or 12 SIP User Agents in VoIP network can be controlled within a VQuad™. A minimum of two telephony interface types are supported per Dual UTA HD and all interfaces in the device may be configured together on a single PC. VQuad™ enables users to seamlessly run multiple tests simultaneously on the devices that are connected to the Dual UTA HD.

vMobile™ - Ultra-Portable Equipment for Voice & Data Testing

vMobile™

The vMobile™ - Portable VQT Test Solution is a handheld device which can support full audio testing for mobile phones and mobile radios, as well as providing data testing for mobile phones. The vMobile™ can be hand-carried for walk and drive testing (includes GPS) as well as left in labs and can work directly with GL’s VQuad™ solution for very flexible end-to-end testing. All functionality and configuration of the vMobile™ is accessed using the remote web-based Console or Console App which is installed on any Android or iOS device.

OWD Measurement on 5G Networks
Dual UTA HD with VQuad™

VQuad™ - Portable and mTop™ Rackmount Hardware Solutions

Dual UTA HD (High Density) includes support for Bluetooth® Wideband, FXO Wideband and SIP Wideband (ex: AMR WB), with which you can easily interface with any Mobile Device, FXO, or SIP devices supporting HD Voice.

GL offers high-density VQuad™ mTOP™ Solution within which multiple Dual UTA HD devices can be stacked. Two-stacked 1U mTOP™ test instrument can accommodate up to 6 Dual UTA HD units, thus supporting up to 12 telephony devices. VQuad™ mTOP™ test solution - greatly reduces the licensing costs per device. A minimum of two telephony interface types are supported per Dual UTA HD and all interfaces in the device may be configured together on a single PC. VQuad™ supports multiple tests to run simultaneously on devices connected to Dual UTA HD.

In addition, GL's mTOP™ Probe variant, which is an all-in-one self-contained test instrument. The latest VQuad™ mTOP™ Probe includes Dual UTA HD device combined with the PC in one single portable box. This comprehensive mTOP™ Probe hardware unit is designed for easier portability and convenient for field testing as it includes necessary PC interfaces along with Windows® 10 64-bit operating system and remote accessibility via scripting and remote desktop. There are no moving parts with the unit, so reliability and longevity are integral.

VQuad™ - Associated Application

Various associated applications (Voice QualityVideo QualityData testsEcho and Delay testsFax testsVoice Band Analysis) works with VQuad™ to provide "end-to-end assessment" with additional test and measuring capabilities. All the applications work in conjunction with the VQuad™ for automatically and remotely analysing the captured data and sending the test results to the central database. VQuad™ scripting allows for automated call control, and traffic simulation to conduct tests on Wireless, IP, PSTN and TDM networks.  Different types of traffic supported includes - NB and HD Voice, Video, Tones, DTMF/MF Digits, Fax, and other Data (HTTTP, UDP, TCP, SMS, Email, DNS, Route, FTP, ….).

VQuad™ scripting can automate the Voice, Video, and Data testing from anywhere remotely controlling the mobile devices. GLNetTest solution optionally provides Video Quality Testing supported on Android, PC and Linux based clients (end points) and also provides Automated Data Testing on Mobile Devices (Android and Apple) and a PC internet connection.

The Dual UTA HD can interface with a mobile radio for voice quality testing, control of the Push-to-Talk (PTT) feature is available with the Dual UTA HD and the VQuad™ software. Directly before the audio file is transmitted the VQuad™ software will command the Dual UTA HD to enable the PTT on the radio. This feature makes the testing completely automated and hands free.

Enhanced VQuad™ with Dual UTA HD supports two methods of automated testing of mobile devices, Bluetooth and Wired Headset using GL’s new cable, Smartphone with Automated Call Control (ACC). Through the VQuad™ script (or manual operation), calls can be setup and send messages using iPhone SIRI or Android Google Voice available on mobile devices. VQuad™ includes Text-to-Speech technology for automatically creating the necessary voice prompts required to work with Siri or Google Voice.

VQuad™ - Related Software Applications

  • GL's Voice Analysis Tool (VAT™) application is used to analyze the audio content within any PCM audio files and generates a variety of audio metrics. VAT™ has a user-friendly interface to perform manual and automated analysis of multiple tests using a single PCM audio file received from the VQuad™, vMobile™, or any other applications.
  • GL's Voice Quality Testing (VQT) software utilizes various ITU standard algorithms, including Perceptual Objective Listening Quality Assessment (POLQA) version 2.4 and optional upgrade version 3 (ITU-T P.863), Perceptual Evaluation of Speech Quality (PESQ ITU-T P.862), PESQ LQ/LQO (P.862.1), and PESQ WB (P.862.2) to support next-generation voice quality testing standards for fixed, mobile, and IP-based networks. The software evaluates voice quality across multiple parameters by analyzing received (degraded) files and comparing them with sent (reference) files using both manual and automated methods.
  • GL also offers an advanced, automated solution AutoVQT™ that evaluates thousands of voice files in mere minutes, utilizing the industry benchmark algorithm POLQA (ITU-T P.863 version 2.4) to evaluate voice quality across various applications, including VoIP, Mobile, and PSTN networks.
  • Both VQT and AutoVQT™ applications work in conjunction with GL's VQuad™, vMobile™, Voice Analysis Tool (VAT™), Message Automation and Protocol Simulation (MAPS™), or T1/E1 Analysis platforms, increasing efficiency and reducing analysis time. Users can access all associated results through the GL WebViewer™ central database via any web browser providing a comprehensive solution for measuring, analyzing, and optimizing voice quality across a range of networks and applications.
  • With GL's WebViewer™, the results can be queried and displayed on a remote client PC using web based browsers. Customized consolidated view of the VQuad™, call control and test results along with the graphical report can be generated. The status of each node in the network can be monitored. The Results, VQuad™ Nodes, and the Devices can be plotted in the WebViewer™ Google Maps using the GPS co-ordinates saved in the database. The output results can be exported to TXT, XLS, or PDF files.

Features

Single-box Portable
QoSTesting Solution

  • For Wireless Network
    • Connectivity - Bluetooth® NB & WB, PTT, GPS, 4-wire Balanced I/O Interfaces on Dual UTA HD
    • Devices – Military/Mobile Radios, 4G/3G/Wifi Smartphones (iPhone, Android, Blackberry), Bluetooth® Headsets/Stereo/Car Kits, Wired Headset with Smartphone Automated Call Control (ACC)
  • For VoIP Network
    • Connectivity - Internal SIP cores within VQuad™ (SIP and H.323 Signaling - Does not require Dual UTA HD), 4-wire Balanced I/O, HSET Interfaces on Dual UTA HD
    • Devices – VoIP Phones, HATS
  • For TDM Network
    • Connectivity - T1 E1 Interface facilitated through GL’s T1 E1 Analyzer Hardware (ISDN and CAS Signaling - Does not require Dual UTA HD)
    • Devices – Digital Phones, PBX, Media Gateways over TDM network
  • For PSTN Network
    • Connectivity - FXO Interface on Dual UTA HD
    • Devices – Analog Phones, Media Gateway, PBX, ATAs over PSTN network
  • GPS and ITS location tracking with results overlay

Platforms

  • On any PC including Rack/Tower, Laptop, Netbook, and Tablet

  • VQuad™ mTOP™ Rackmount [Two-stacked 1U mTOPs] supports up-to 6 Dual UTA HD units (i.e., 12 telephony devices connected simultaneously)

  • mTOP™ Probe unit along with necessary PC interface forms a portable test instrument convenient for field testing
  • Supports up to 12 SIP UAs in VoIP interface (does not require any hardware)

  • Works with  Dual UTA HD, or VQuad™ Probe HD

  • VQuad™ Probe HD is a self-contained unit that includes VQuad™, Dual UTA HD and PC

  • Supports multiple tests to run simultaneously on all the devices connected to Dual UTA HD interface. 

  • Outward and Port-to-Port Loopback of 2-Wire and 4-Wire interfaces with No Delay or up to 2000ms user-specified delays (Dual UTA HD only)

  • USB2.0 and USB3.0 capable

  • VQuad™ support for NB, WB and SWB sampling rates. Specify Sampling Rate per Dual UTA HD unit directly from the VQuad™ script

  • All of the communications within VQuad™ solution supports IPV4 and IPv6

Automation through Scripting

  • Complete automation with enhanced scripting and remote operation including traffic generation, call control, and automated scheduling of operations

  • Local VQuad™ can control remote VQuad™ systems to expand testing for an entire network. 

  • Various commands are available for Call Control, Device Operations, File Transfer, Traffic Generation/Detection, VQT, Data Testing, Central Database Connections, and Remote VQuad operations
  • Call type identifier to report the type of Network (3G, 4G, LTE, 5G, PSTN, VoIP) on both the sides of the call

  • All results and events are automatically transferred to a Central Database

  • Remote support of VQuad™ using CLI (both Windows® and Linux) or VQuad™ API (both Windows® and Linux)

Remote Control and Monitoring using web based WebViewer™

  • Remote monitoring with result query and real-time statistics

  • Real-time status of entire network with ability to remotely access and control any node within network

  • Support for primary and secondary Central Database IP addresses for backup and redundancy.

  • Customization of result view and statistics graphs

  • Remote control of VQuad™, File Monitor, VQT, and Command Center nodes

  • Console view of NetTest and VQuad results and statistics graphics

  • VQuad™ results, events, node status, and devices can be plotted on google map within WebViewer™ with the user-defined co-ordinates (absence of GPS receiver connectivity)

  • Customized report generation and report scheduling for the user specified filters

File Monitor Utility

  • Transfers all the degraded files to analysis system

  • Supports connections to multiple nodes to handle network failovers

  • VQuad™ also reports File Monitor status to WebViewer™ using which the utility status can be monitored

Dual UTA HD

Dual UTA HD Hardware Unit
Dual UTA HD Hardware Unit

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 of the interfaces on front of the board.

Additionally, the Dual UTA HD (v.2) includes support for testing HD voice using Bluetooth® Wideband, and FXO Wideband along with hardware loopback controlled through the VQuad™ software (including self-test mechanisms). Dual UTA HD hardware also includes a new optimal PTT interface, Self-Test LED, GPS connect LED, enhanced flexibility added to the VQuad™ Script, and full IPV6 support.

For more details, please visit Dual UTA HD webpage.

VQuad™ Probe HD - A Self-Contained Unit with VQuad™, Dual UTA HD, and PC

VQuad™ Probe HD Front and Back Panel View

VQuad™ Probe HD Front and Back Panel View

VQuad™ mTOP™ Solution Brochure

GL's VQuad™ Probe HD solutionis an all-in-one self-contained VQuad™ with Dual UTA HD test instrument designed for conveniently testing multi-interface telephony devices for Smartphone/Handset Benchmark drive testing.

A single VQuad™ Probe HD includes dual independent sides connecting to any type of telephony devices across various interfaces including FXO, 4-wire Analog, PTT, Handset Phones, Mobile audio, and Bluetooth. It has the ability to generate Wireless as well as 2-Wire and 4-wire analog calls using same hardware. You can perform simultaneous Voice, Video, Data, Fax, and Time Delay Measurements from a single VQuad™ Probe HD unit and the embedded SBC allows it to be conveniently used for field/drive testing.

3.5mm In/Out Jacks (Balanced Audio - Side 1 & 2), supports NB (8000 samples/s), WB (16000 samples/s) and SWB (48000 samples/s) Bluetooth Antennas - Side 1 & 2, supports NB (8000 samples/s) and WB (16000 samples/s)

Hardware Specifications

Physical Dimensions

Length: 10.4 inches

Height: 3.0 inches

Width: 8.4 inches

Power requirements

12V, 3Amps Power Supply

External Connections

USB 2.0, & USB 3.0: Type A USB Jack (Communication with Keyboard/Mouse/second Dual-UTA/ USB T1 E1 Analyzer)

3.5mm In/Out Jacks (Balanced Audio - Side 1 & 2)

  • Input Impedance – 600 ohms, 1000 ohms and User-Definable

  • Output Impedance - 600 ohms, 1000 ohms and User-Definable

  • Dual RJ-22 Jacks (Handset/Headset Base - Side 1 & 2)

  • 3.5 mm Output Jack (Monitor)

  • Dual RJ-45 Jacks (PTT - Side 1 & 2 )
    PTT - Side 1 & 2 Input /Output Impedance - 600 ohms, 1000 ohms and User-Definable

  • Dual RJ-45 Stacked Jacks (GPS In/Out - Side 1 & 2 )

  • Bluetooth Antennas - Side 1 & 2

  • GigaBit Ethernet port – LAN connection

SBC specifications

  • Intel Core i3 or optional i7 NUC Equivalent, Windows® 11 64-bit Pro Operating System

  • USB 3.0 and 2.0 Ports, 12v/ 3A Power Supply

  • USB Type C ports, Ethernet 2.5GigE port

  • 256 GB Hard drive, 8G Memory (Min)

Two HDMI ports

Compliance

CE, FCC, TBR21 compliant

Frequency Range Compliance

FXO PCI card (VQT012)

300-3400Hz

Dual UTA HD FXO 2-wire interface (8K samples/sec)

100-3500Hz

Dual UTA HD FXO 2-wire WB interface (16K samples/sec)

100-4000Hz

Dual UTA HD Balanced, Mobile, PTT, Handset interfaces (8K samples/sec)

100-3500Hz

Dual UTA HD Balanced, Mobile, PTT, Handset WB interfaces (16K samples/sec)

100-7000Hz

Dual UTA HD Bluetooth interface (8K samples/sec)

200-4000Hz

Order information

  • MT005/MT005E

  • VQT270

  • DUAL UTA Options

  • VQuad™ Options

Refer to VQT Price Lists

 

VQuad™ mTOP™ Specifications

GL's VQuad™ mTOP™ solution includes two mTOPs (mTOP™ 1 that includes an SBC connects to mTOP™ 2 via USB). So, essentially creating a system with one VQuad™ system and 6 Dual UTA HDs.

A single VQuad™ along with up-to 6 Dual UTA HD units [Two-stacked 1U mTOPs], supports connection to 12 independent telephony devices. It has the ability to generate Wireless as well as 2-Wire and 4-wire analog calls using same hardware.  You can perform simultaneous Voice, Video, Data, Fax, and Time Delay Measurements from a single VQuad™ mTOP™ test solution - greatly reducing the licensing costs per device.

In Lab, the solution is setup along with separate 1U PCs, which include Central Database with WebViewer™, VQT POLQA, GL NetTest Mobile Device Controller (MDC), GL NetTest Target Server, and VAC Agents. All systems are connected to the central system for remote monitoring, remote operation, and storing results/events.

Pdf-icon VQuad™ mTOP™ Solution Brochure
Front and Back Panel of VQuad™ mTOP™ 1

Front and Back Panel of VQuad™ mTOP™ 1

Front and Back Panel of VQuad™ mTOP™ 2

Front and Back Panel of VQuad™ mTOP™ 2

GPS connection on mTOP™ 1 daisy chains the GPS to multiple mTOP™ systems

GPS connection on mTOP™ 1 daisy chains the GPS to multiple mTOP™ systems

Space Requirements

  • Height: Two-stacked 1U mTOPs [Total space—2U]
  • Length: 16 Inches
  • Width: 19 Inches

Compliance

  • CE, FCC, TBR21 compliant

Frequency Range Compliance

  • FXO PCI card - 300-3400Hz
  • Dual UTA HD FXO 2-wire interface - 100-3500Hz
  • Dual UTA HD FXO 2-wire WB interface - 100-4000Hz
  • Dual UTA HD Balanced, Mobile, PTT, Handset interfaces - 100-3500Hz
  • Dual UTA HD Balanced, Mobile, PTT, Handset WB interfaces - 100-7000Hz
  • Dual UTA HD Bluetooth interface - 200-4000Hz

Dual UTA Frequency Range

  • 4-wire, 8000 Samples - 100 Hz to 3500 Hz
  • 4-wire, 16000 Samples - 100 Hz to 7000 Hz
  • 2-wire, 8000 Samples - 100 Hz to 3500 Hz
  • 2-wire, 16000 Samples - 100 Hz to 4000 Hz

Power Requirements

  • 100-240 VAC Power Supply
  • External Connections
  • mTOP™ 1 includes embedded PC (SBC)
  • mTOP™2 omits PC and connects to mTOP™ 1 via single USB cable.
  • GPS Receiver on mTOP™ 1 (Optional) can daisy chain the GPS to multiple mTOP™ systems.

    Both mTOP™ units include -

    • USB 2.0, USB 3.0: Type A USB Jack (Communication with PC and Power)
    • 3.5mm In/Out Jacks (Balanced Audio - Side 1 & 2)
      • Input Impedance - 600 Ω, 1000 Ω and User-Definable
      • Output Impedance - 600 Ω, 1000 Ω and User-Definable
    • RJ-11 Jacks (FXO - Side 1 & 2)
    • RJ-22 Jacks (Handset/Handset Base - Side 1 & 2)
    • 3.5mm (Monitor)
    • Dual RJ-45 PTT Jacks (Side 1 & 2)
      • PTT - Side 1 & 2 Input Impedance - 600ohms, 1000 ohms and User-Definable
      • PTT - Side 1 & 2 Output Impedance - 600ohms, 1000 ohms and User-Definable
    • Bluetooth® Antennas - Side 1 & 2
    • Serial COM Port & Display VGA (Video Graphics Array) ports

Embedded PC Specifications

  • USB 3.0 and 2.0 ports (with support for mouse/keyboard)
  • USB Type C ports, Ethernet 2.5GigE port
  • ATX Power Supply
  • GigaBit Ethernet ports
  • 256GB Hard Drive
  • Intel Core i3 or optional i7 equivalent
  • Standard 8GB memory
  • Two HDMI ports
  • Windows® 11 64-bit Pro Operating System

vMobile™ - Ultra-Portable

The vMobile™ - Portable VQT Test Solution is a handheld ultra-portable device that brings true mobility to voice and data quality testing for any mobile phone and any mobile radio, changing the way automated drive and walk testing is performed.

vMobile™
Specifications

Physical Dimensions

Length : 7"

Width : 3.5"

Height : 1.5"

Power requirements

USB Type C Connector

External Connections

  • 2x Bluetooth® modules
  • 1x Embedded Wi-Fi module
  • 1x Onboard GPS
  • 1x Mobile Radio with PTT
  • 1x MON Port (Speaker)

LEDS

  • Blue Charging LED
  • Power LED

Connectivity - Bluetooth® NB & WB, PTT, GPS, Wired Headset Smartphone ACC, 4-wire Balanced I/O Interfaces on Dual UTA HD

Devices - Military/Mobile Radios, 4G/3G/Wifi Smartphones (iPhone, Android, Blackberry), Bluetooth® Headsets/Stereo/Car Kits, Mobile devices with Smartphone ACC

Automated wireless testing

Wireless networks can impair voice quality by various means including poor mobile phone quality, voice/video compression and decompression algorithms, delay, loss or gain in speech levels, noise, acoustic and landline echo, and other distortions.

GL provides a compact and portable solution for testing Wireless and Mobile Radio devices for voice, video, and data quality using the GL VQuad™ application with the Dual UTA HD, or all-in-one VQuad™ Probe HD. The Dual UTA HD includes interfaces for Push-to-Talk for mobile radios, and Bluetooth for connecting to any mobile phone.

Enhanced VQuad™ supports two methods for automated testing of mobile devices, Bluetooth and Wired Headset using new Smartphone with Automated Call Control (ACC) cable.

Some of the important features include:

  • Test mobile end-to-end voice, video, and data, quality measurement and analysis results
  • Control Smartphones on any wireless network (Bluetooth®, 5G, VoLTE, VoWiFi, VoFemto, 3G) - both NB and WB voice supported
  • Automated mobile phone testing using either Bluetooth or the Wired Headset Smartphone ACC methods
  • Mobile Phone call control – supports Bluetooth®, Dual PTT, 3.5mm Output Audio Jack, and Dual 3.5mm In/Out terminations
  • Support for voice quality testing on VoLTE network with AMR Wideband codec (with 16000 Sampling Rate) using Bluetooth® Wideband
  • Control Mobile Radios with Push-to-Talk functionality; Supports radio keying and send/record audio
  • Bluetooth® option for Testing Bluetooth® Phones and Bluetooth® Headsets
  • Bluetooth® also performs RSSI, Battery level functions, and Network identity
  • Wired Headset supports NB, WB, SWB
  • Impair outgoing traffic using a noise file or user-defined white noise
  • All results along with call control information are sent to central database. Query results remotely using the WebViewer™.
  • Compatible with automated GPS location time-stamping

Some of these applications include

    • Voice Quality Testing (VQT) software for analysis according to widely accepted ITU (International Telecommunications Union) voice comparison algorithms (POLQA, PESQ LQ/LQO/WB)
    • Data Quality Testing (NetTest™)application for performing automated data testing on a wireless or wired network; tests include TCP, UDP, VoIP, Route, HTTP, FTP, DNS, SMS, Email, SIMInfo, Phone Info, and UEInfo
    • Video Quality Testing (VAC™) application for performing fully automated Video Conference testing and get Audio and Video MOS QoS results along with several analytical metrics
    • Echo Measurement Utility (EMU) for echo and delay measurements, including RTD, OWD, ERL, EPD, and more
    • Voice-band Analyzer (VBA) for monitoring voice band traffic (Speech Level, Activity Factor, RMS Factor, DC Level, Noise Level, Jitter, Echo Return Loss, Echo Delay, and Echo Dispersion)
    • Fax Quality Testing for emulation and analysis of T.30 faxes (GLInsight™ or FaxScan™)
    • Drive Testing solution for plotting all results and call control information along with co-ordinates using GPS receiver option in VQuad™, and Google Maps option within WebViewer™
    • WebViewer™ for web based controlling and monitoring VQuad™ nodes over the entire network 

For more details, please visit Voice, Video, and Data Testing in Wireless Network webpage.

  • Connectivity – 2-Wire FXO, 4-Wire Balanced I/O, HSET Interfaces on Dual UTA HD
  • Devices – Analog Phones, Next Generation Gateways, PBX, ATAs over PSTN network

Automated QoS Testing of Analog Network

GL's VQuad™ with Dual UTA HD provides the solution for testing analog 2-wire interfaces (PSTN, ATA, Media Gateway). The Dual UTA HD supports 2 Analog FXO interfaces (RJ11) and provides Off/On- Hook, DTMF Dialing, Flash Hook, Tone Detection (Dialtone, Ringback, Busy, Fast Busy, SIT) and CallerID.

The Dual UTA HD Analog interface supports two-stage dialing, IVR testing, Voice Quality Testing, Delay Measurements, and Echo Measurements.

  • Supports 2 independent FXO ports per Dual UTA HD
  • Dual UTA HD connect to any PSTN, ATA, and next generation Gateways
  • Global support – can connect to any 2-wire interface anywhere
  • Wide Band (WB) and Narrow Band (NB) support (for HD and SD Audio)
  • Manual or Automatic operation of traffic generation and full call control
  • Each analog port may be controlled independently for traffic and call control
  • Supports all standard and customized call progress tones
  • Send/detect DTMF /MF digits, and tones of different frequencies (NB – up to 4 KHz, WB – up to 8KHz, SWB – up to 24 KHz)
  • Support for No Call Control (Quick Connect) on FXO interface 
  • Call control with Caller ID detection and display
  • Impair outgoing traffic using a noise file or user-defined white noise
  • Full FXO Functionality via flexible Scripts
  • All results along with call control information are sent to central database. Query results remotely using the WebViewer™.
Additional functionalities –

For more details, please visit Automated Analog (2-wire, 4- wire) Voice Quality Testing webpage.

  • Connectivity – Internal SIP cores within VQuad™ (SIP and H.323 Signaling - Does not require Dual UTA HD), 4-wire Balanced I/O, HSET Interfaces on Dual UTA HD
  • Devices – VoIP Phones, Soft Phone, HATS

IP SoftPhone Testing

With the growing requirements for voice quality testing within VoIP networks, a major concern is testing the VoIP Network, VoIP phones, VoIP Softphones, and Analog Telephone Adaptors (ATA).

GL's VQuad™ with VoIP option, provides the ability to perform manual or automated tests on Softphones in the VoIP network.
The VQuad™ provides direct connection to the VoIP network with up to 12 user agents per VQuad™ connected simultaneously.

  • Manual or Automatic call control (SIP protocol) with user-defined parameters for authentication and proxy
  • SIP Call Control within VQuad™ supports handling up to 4 SIP cores, and support up to 12 User Agents.
  • Time/Digit/Tone triggering of send/receive voice files.
  • Testing Analog Telephone Adapters (ATAs)
  • Supports outband DTMF/MF digits for RFC4733 and RFC2833.
  • Impair outgoing traffic using a noise file or user-defined white noise
  • Supports almost all standard Voice Codecs (G.722, AMR, G.729 & more). 
    For more information to voice-codecs webpage
  • Additional functionalities –

For more details, please visit VoIP Testing using VQuad™ webpage.

  • Connectivity – T1 E1 Interface facilitated through GL’s T1 E1 Analyzer Hardware (ISDN and CAS Signaling - Does not require Dual UTA HD)
  • Devices – Digital Phones, PBX, Media Gateways

Automated Testing of TDM Network

Using the T1 E1 Analyzer, the VQuad™ can generate and receive up to 12 simultaneous CAS or PRI ISDN or No Call Control (NOCC) calls on T1 or E1 trunks. Once the call is up, send/record voice via the VQuad™ to get VQT MOS results.

The T1 E1 option includes a script based CAS State Machine for creating any desired CAS protocol. Included with the PRI ISDN are all variants associated with ANSI and ETSI specifications.

  • Supports Call Control for PRI ISDN and CAS Protocols
  • Also supports No Call Control (NOCC), where the T1 E1 call is connected without any call control required.
  • Send/detect DTMF /MF digits, and tones of different frequencies (NB – up to 4 KHz, WB – up to 8KHz, SWB – up to 24 KHz)
  • Supports up to 12 simultaneous T1 E1 channels using VQuad™ interface
  • Impair outgoing traffic using a noise file or user-defined white noise
  • Additional functionalities –

For more details, please visit VQT in TDM Networks webpage.

OWD - End points at same location

OWD - End points at same location

RTD - End points at separate location

RTD - End points at separate location

  • Both sides of the established call may be co-located on same Dual UTA HD or geographically separated.
  • One Way Delay (OWD) - VQuad™ includes an advanced method for performing One Way Delay (OWD) measurements using a Correlator algorithm. The Correlator method is extremely accurate and works with the next generation Dual UTA HD
  • Round Trip Delay (RTD) – the enhanced correlator algorithm method for accurate RTD measurements supported on Dual UTA HD
  • The measurements require GPS only for OWD and if the two sides of the call are geographically separated (not on same Dual UTA HD).
  • Post Dial Delay (PDD)
  • Signal-to-Noise Ratio (SNR = S/N)
  • Oscilloscope and Spectral Display
  • RMS Power as well as C-Message 
  • Audio analysis of any recorded voice file for both Power and Frequency. RMS power and frequency response outputs are necessary for testing the network for full WB voice support.
Audio Analysis
Audio Analysis
OWD using Correlator
OWD using Correlator

For more details, please visit Network Delay Measurements webpage.

Echo Identification

Echo Identification

Acoustic Echo Canceller Testing

Acoustic Echo Canceller Testing

  • Supports echo measurements over any network using EMU
  • Assess sidetone, line, and acoustic echo and the corresponding delays.

For more details, please visit Echo Measurement Utility (EMU) webpage.

  • Monitor voice band traffic
  • Measure Active Speech Level, Activity Factor, RMS Factor, DC Level, Noise Level, Echo Return Loss, Echo Delay, and Echo Dispersion statistics.

For more details, please visit Voice Band Analysis webpage.

Automated Voice Quality Measurement

Automated Voice Quality Measurement

  • Network-independent VQT – Supports legacy, as well as Next Generation networks
  • POLQA (ITU-T P.863)
  • PESQ (ITU-T P.862), PESQ LQ, LQO (P.862.1), PESQ WB (P.862.2)
  • Call control analysis (Failed Calls, Dropped Calls, and Call ID)
  • Monitoring IVR System for voice and data quality
  • Includes Text-to-Speech technology (VQT009) for automatically creating the necessary voice prompt for placing call over Siri or Google Voice
  • Supports PESQ/POLQA (both NB and WB) measurements
  • Supports both Narrow band (NB) and Wideband (WB) audio codecs (both 8k and 16k samples/sec) 
  • Auto detects voice files with wideband attributes
  • All VoIP Codec supported including - G.711, G.711 App II with VAD, G.729, G.726, G.726 with VAD, GSM, AMR NB and WB, EVRC, SMV, iLBC, SPEEX NB and WB, G.722, and G722.1.

Visit Voice Codecs webpage for more comprehensive information.

For more details, please visit Voice Quality Testing (VQT) Software webpage.

Automated Data Quality Testing

VQuad™ is enhanced to support Data Testing including TCP, UDP, VoIP, Route, HTTP, FTP, DNS, SMS, Email, PhoneInfo, SimInfo, and UEInfo. The Data Tests are configured via the VQuad™ scripting and supports Wireless devices as well as PC Ethernet connections (wired, WiFi, Broadband 3G/4G, and LTE).

  • Network independent, supports 4G LTE, 3G, WiMax, and Wired Internet connections
  • Supports Mobile devices (i.e. iPhone, Android)
  • Supports PC Ethernet connection (Wired, Wi-Fi, Broadband (3G or 4G))
  • Different type of tests supported - TCP, UDP, HTTP, FTP, DNS, VoIP, Route, SMS, Email, PhoneInfo, SimInfo, and UEInfo.
  • End-to-End SMS Testing over wireless network directly and remotely
  • Remotely perform Data tests from GLNetTestApp on mobile devices (iPhone, Android); this requires connection with Mobile Device Controller server. Mobile device communicates with Mobile Device Controller from anywhere in the world.
  • Fully automated and remote testing with all results accessible via WebViewer™.
Automated Video Quality Testing

VQuad™ can now initiate, control, test, and measure video conferencing services over IP, and Wireless networks, using additional support of a Video Controller/Server and Video Clients (Agents).
Video Tests can be configured between any two active video clients with flexibility of specifying the typical characteristics of the Video test.   Video Test agents generates simulated video calls to other test agents as per these test parameters.

  • Fully automated Video Conference testing performed with QoS results provided along with several analytical metrics
  • Support for Android, PC and Linux based video clients (end points) for active Video Quality Testing
  • Both manual and automated tests are supported
  • Tests can be run directly from the Android phone or using the VQuad™ interface
  • Configure unlimited test plans; video test parameters include Codec, Bandwidth, Latency, Frame Rate, GoP (Group of Pictures) Structure, Echo, and Resolution
  • Test results include Video MOS, Audio MOS, and A/V MOS along with a variety of analytical and quality metrics
  • Fully automated and remote testing with all results accessible via WebViewer™.
Drive Testing for Wireless Networks
  • Drive test with any Wireless device with real-time GPS mapping
  • GPS connectivity for recording timing and location of tests performed
  • The GPS mapping records and adds the real-time GPS information to all test results and VQuad™ call control.
  • GPS Location includes stamping each result with Latitude, Longitude, and GPS Time Stamp
  • The Indoor Tracking System (ITS) in VQuad™ is developed to support VQT in remote locations where GPS signal is unavailable
  • The ITS information (location, timestamp) is saved to the database per VQuad™ Measurement
  • GPS information is automatically sent to central database and accessed via Google Maps feature in WebViewer™.

For more details, please visit Drive Testing webpage.

  • Supports Fax testing (sending and receiving) up to 4 independent and simultaneous T.30 faxes over 2-Wire, and 4-wire analog networks
  • Support higher resolution and multi-page fax TIF files
  • Tx and Rx fax rate from 2400 baud to 33600 baud with V.34 fully supported.
  • Interfaces supported for fax generation include 2-wire FXO and 4-wire analog.
  • Automatically save the fax session (both East and West directions) to a PCM file.
  • Supports higher resolution and multi-page fax TIF files.
  • Use GLInsight™ or GL Fax Scan analysis software packages for further analysis of the recorded fax files. GL's FaxScan™ can be configured for fully automated analysis.

For more details, please visit Fax Emulation Using VQuad™ webpage.

  • Simulate IVR Users and IVR System
  • Single-box portable solution and Rackmount PC solution for higher density
  • Complete automation with enhanced scripting and remote operation including traffic generation and call control scripting
  • Automate the IVR testing process - call establishment and traffic generation detection process through scripts
  • Monitoring IVR System for voice and data quality
  • Perform Quality of Service (PESQ) or path confirmation tests
  • Within a proper voice call, additional analysis is available such as Round Trip Delay (RTD) and Voice Quality Testing (VQT)
  • Support for Command Line Interface (CLI) to access VQuad™ remotely

For more details, please visit Testing Interactive Voice Response (IVR) & Voice Mail (VM) Systems webpage.

WB Bluetooth Testing

The VQuad™ with Dual UTA HD units can connect to any network or any end-equipment supporting HD (WB) audio on all interfaces. The Dual UTA HD includes interfaces for 2-wire analog FXO, 4-wire analog (Tx/Rx), Push-to-Talk for mobile radios, and Bluetooth for connecting to any mobile phone.

With the Dual UTA HD Bluetooth® option, the Dual UTA HD act as a Bluetooth® Headset and connects to the mobile phone to perform voice quality analysis along with delay measurements on Bluetooth® enabled mobile devices.

vquad dual uta-hd  WB bluetooth
Test Bluetooth® Enabled Mobile Devices and Associated Network

As a new feature of the Dual UTA HD Bluetooth® option, and using special firmware, the Dual UTA HD can act as the Mobile Device and connect to any Bluetooth® headset to perform ‘Voice Quality Tests’ on the Bluetooth® Headsets. In other words, isolate the Bluetooth® headset for voice quality analysis.

This is extremely important for testing Bluetooth® headsets, Bluetooth® in the car, and pretty much any Bluetooth® device which connects to a mobile phone for voice. The Dual UTA HD connects to the Bluetooth® headset and allows voice quality analysis along with delay measurements. Both narrowband and wideband codecs are supported.

vquad dual uta-hd testing bluetooth headset

Test Bluetooth® Devices (Headsets, Car Stereo Kit …)

  • Mobile (3G, VoLTE, VoWiFi, VoFemto, 5G) network with both NB and WB voice
  • Mobile Phone call control – supports Bluetooth® 2.5mm Audio Headset Jack interfaces, and 3.5mm terminations for Smartphones (iPhone, Android)
  • Support for voice quality testing on VoLTE network with AMR Wideband codec (with 16000 Sampling Rate) using Bluetooth® Wideband
  • Control Mobile Radios with Push-to-Talk functionality; Supports radio keying and send/record audio
  • Bluetooth® also performs RSSI, Battery level functions, and Network identity

VQuad™ with Dual UTA HD - WB 2-wire Analog FXO

2-wire Analog FXO

  • Connect to any PSTN, ATA, and next generation Gateways
  • Global support – can connect to any 2-wire interface anywhere
  • Supports 2 independent FXO ports per Dual UTA HD
  • Wide Band (WB) and Narrow Band (NB) support (for HD and SD Audio)
  • Full FXO Functionality via flexible Scripts

24-Port VQuad™ HD Analog Phone Simulator

The VQuad™ 24-port HD FXO solution is an all-in-one 2U rack supporting both Wide Band (WB) and Narrow Band (NB) Audio. The 2U VQuad™ HD FXO system incorporates two embedded SBCs (Single Board Computer), each running latest VQuad™ software, along with 12 Dual UTA HD units supporting a total 24 FXO Analog ports. All 24 FXO ports are independent and can be fully automated or remote controlled for a fully autonomous test solution. Access to the 24 Analog ports is via an Amphenol connector on the back of the system which can be broken out to 24 RJ11 connections. Each embedded SBC includes two Gigabit Ethernet connections, two USB connections, and a VGA monitor connection. LED lights on the front of the 2U Rack display status of each SBC along with each Dual UTA HD.

Multiple VQuad 24-Port FXO Racks can be connected for virtually unlimited FXO ports. When combined with the WebViewer™ Central System all results and events can be saved directly to a Central Database and accessed using the WebViewer (direct access to the database tables is also available). Analysis is provided using GL Voice Quality Analysis (both POLQA and PESQ supported), Echo Measurement Utility (EMU), Fax Analysis, and Voice Band Analyzer (VBA).

Like MAPS™ APS solutions, VQuad™ 24-Port FXO solution also includes all the required functionalities of analog simulation - Refer to Functional Specifications for complete details.

  • Supports 24 independent HD FXO ports per VQuad™ system (2U)
  • Scalable solution for unlimited number of FXO ports
  • Wide Band (WB) and Narrow Band (NB) support (for HD and SD Audio)
  • Multiple Users and Tests per system
  • Run tests between systems
  • Fully automated and remote accessible via CLI
  • Remote accessible via Central Database
  • Full FXO Functionality and Analysis via flexible Scripts
24-Port VQuad™ HD

Features High-Density WB Solution
VQuad™ 24 Port HD
Space Considerations 2U multi-VQuad system with total 12 Dual UTA HD units
Ports 24 Analog FXO ports accessed via 50 Pin Amphenol connector
FXO Audio NB and WB (HD) Audio Supported
Operation Fully Independent FXO Ports with full control between VQuad systems
Bulk Call  Fully Supported via VQuad Scripting
Remote Control Fully Supported via CLI, API or WebViewer
Traffic Voice, Digits, Tones, Fax
Voice Quality POLQA (including NB and WB), and PESQ

VQuad™ with Dual UTA HD - WB 4-wire Analog

vquad dual uta-hd 4-wire WB Analog
  • Balanced – replaces headset (mic/speaker) anywhere
  • RJ22 – replaces the phone Handset on any phone at the Curly Cord
  • PTT (Push to Talk) – connect to any mobile radio (DoD, Emergency Services, Government) and supports voice and keying the radio
  • Mobile – connect to any mobile phone, the phone will recognize the Dual UTA as a headset.

VQuad™- WB VoIP

VQuad Dual UTA HD
  • VQuad™ can be configured to support up to 12 VoIP SIP User Agents
  • Testing Analog Telephone Adapters (ATAs)
  • Supports outband DTMF/MF digits for RFC4733 and RFC2833.
  • Impair outgoing traffic using a noise file or user-defined white noise
  • Supports almost all standard Voice Codecs (PCMU, PCMA, G726_40, G726_32, G726_24, G726_16, GSM, G729, and Wideband HD audio codecs).

    For more information to voice-codecs webpage.

Python Scripting for Automation and Remote Access of Voice Quality Testing

Python Command Line Interface

The VQuad™ and Voice Quality Testing (VQT) Python libraries provide a range of Python functions which can be used to remotely or locally control these two applications. The VQuad™ library provides the functionality of the existing VQuad™ Command Line Interface (CLI) as well as the ability to run prewritten scripts sequentially. The VQT library can be used to run automatic and manual VQT tests with custom settings.

Python for VQuad™ works by connecting to the existing VQuad™ CLI and using a portion of the CLI commands to make simple functions. This connection to the CLI makes the library fast and responsive. Python scripts can perform a variety of Call Control and Audio operations on any device associated with the VQuad™ system. Additionally, access to the original CLI functions is possible through use of the VQuad™ library and the Python ctypes library.

Python for VQT works by connecting to the existing VQT CLI and using a portion of the CLI commands to run manual and automated VQT tests. Class variables are linked to the settings for each test and can be changed easily.

Python API Scripting

Main Features

  • Python scripts support accessing VQuad™ and VQT functionalities remotely
  • Controls VQuad™ and VQT nodes located at various destinations
  • Automation with enhanced Python scripting and remote operation includes traffic generation, call control, and automated scheduling of operations

Command Line Interface (CLI) for remote access

VQuad™ provides full support for CLI on both Windows® and Linux environment. VQuad™ CLI also supports both IPv6 and IPv4.

The VQuad™ Command Line Interface (CLI) is designed to remotely access various application functionalities and thus controlling VQuad™ nodes located at various destinations.

The VQuad™ Remote Access (Client) allows VQuad™ operations to be remotely controlled by one (or several) VQuad™ clients over a LAN, WAN, or Internet.

All Call Control functions, and traffic simulation functions are supported. These includes - Load Call Control Script Configuration, Load VQuad™ Master Configuration, Start Stop Call Control Script, Place Call, Answer Call, Disconnect Call, Set and Get Log Files, and many other operations. It also supports traffic functions such as Send and Record Voice Files, Transmit and Detect Digits, Send and Detect Tones, Send and Receive Fax, OWD/RTD Correlation, and Stop Traffic.

VQuad™ CLI (Windows)
VQuad™ CLI (Windows)
VQuad™ CLI (LINUX)
VQuad™ CLI (LINUX)

Windows® and Linux APIs for VQuad™ and VQT

GL has developed Windows® and Linux APIs for VQuad™ and VQT. Customers can now build custom, faster and cheaper applications using the features already available with GL applications. All important functionalities required to control VQuad™ and VQT remotely are available through APIs to ease the most complex application development activities.

The VQT API environment provides two-way traffic to the VQT server, ability to control the VQT server remotely and provides for instant feedback of VQT client actions.

The VQT functions that are generally available through APIs are listed below –

  • Connect/disconnect the client applications with a VQT Server
  • Automatically perform VQT with PESQ/POLQA algorithms
  • Start/Stop VQT Auto-mode operations
  • Capture individual VQT events to file in real-time
  • Retrieve the VQT Statistics
  • Load VQT auto measurement configuration files

The VQuad™ functions that are generally available through APIs are listed below –

  • Connect/disconnect the client applications with a VQuad™ Server and GL Listener.
  • Perform all general device configurations
  • Send and receive files on the configured devices
  • Load auto traffic configuration files and scripts
  • Perform call control functions (place call, receive call, disconnect)
  • Perform all traffic actions (send/detect tones/digits/files, send/record voice)
  • Perform voice quality, delay, noise, and echo measurements
  • Retrieve the all results and statistics
  • Monitor status of all remote VQuad™ nodes

Resources

GL provides complete solution for Voice, Video, and Data Testing and Analysis across various networks. Visit Complete Voice, Video, and Data Quality Testing Solutions page for complete details.

Item No. Description

 

 Related Software

VQT010

VQuad™ Software (Stand Alone)

VQT013

VQuad™ with SIP (VoIP) Call Control

VQT015

VQuad™ with T1 E1 Call Control

VQT251

Dual UTA HD Next generation Dual UTA with FXO Wideband support

Accessories
USB Cable 2.0 (1)
3.5 mm jack audio cable (2)
RJ 11 cable (2)

VQT252 Dual UTA HD – Bluetooth Option
VQT461 Dual UTA HD Smartphone ACC Cable

VQT601

Mobile Device Controller (MDC) Software

VQT600

VQuad™ NetTest Data Server Solution

VQT611

Target Data Server (1 Gbps)

VQT650

VQT661
VQT662
VQT663
VQT671

Video Application Controller (VAC)
 (includes VAC Server and VAC companion software)

VAC Windows/Linux Agent, single license, 5Mbps
VAC Windows/Linux Agent, single license, 10Mbps
VAC Windows/Linux Agent, single license, 50Mbps
VAC Android Agent, single license, 5Mbps

VQT022
VQT022a

VQuad™ Fax Emulation (2 simultaneous ports) 
VQuad™ Fax Emulation (8 simultaneous ports)

VBA038

FaxScan™ for PCM

PKV104

FaxScan™ for SIP and Fax over IP (T.38)

VQT002

Voice Quality Testing (PESQ only)

VQT006

VQT w/ POLQA Server license (no limitations)

VQT014 AutoVQT™
VQT014U Upgrade from VQT POLQA to AutoVQT™

VBA032

Near Real-time Voice-band Analyzer

EMU037

Echo Measurement Utility (EMU) Software

VQT040

WebViewer™

VQT041

WebViewer™ w/Oracle

VQT011

Dual UTA  - Software Development Kit (SDK)

VQT273

VQuad Probe Watchdog Service

VQT008 Voice Analysis Tool (VAT™)
VQT009 Speech-to-Text Conversion
 Item No. Related Hardware

VQT270

VQuad™ Probe (with Dual UTA)

VQT271

VQuad Probe without Dual UTA

VQT279

VQuad Probe Rackmount Kit

MT001 mTOP™ Rack Mount Enclosure w/SBC (intel core i3)
MT001E mTOP™ Rack Mount Enclosure w/SBC (intel core i7)
MT002 mTOP™ Rack Mount Enclosure w/o SBC
MT005 mTOP™ Probe (Portable Stand-alone) (intel core i3)
MT005E mTOP™ Probe (Portable Stand-alone) (intel core i7)

VQT251

Dual UTA HD Next generation Dual UTA with FXO Wideband support

VQT280

VQuad™ Probe HD (with Dual UTA HD)

Accessories
Power Adapter 12V, 3Amps (1)
3.5 mm jack audio cable (2)
RJ 11 cable (2)

VQT281

VQuad™ Probe HD w/o Dual UTA HD

VQT291 vMobile™ - Portable VQT Test Solution

UTE001

Portable USB based Dual T1 or E1 Laptop Analyzer with Basic Analyzer Software

 

Cable and Accessories / Warranty & Upgrades

 

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