GAITHERSBURG, Md., July 01, 2020 (GLOBE NEWSWIRE) -- GL Communications Inc., a global leader in telecom test and measurement solutions, addressed the press regarding their MAPS™ APS emulator for performing voiceband measurements of legacy 2-wire and 4-wire voice grade circuits.

[See the complete illustration here: https://www.gl.com/images/Newsletter/2-wire-and-4-wire-voiceband-measurements.jpg ]

[See the product announcement newsletter: https://www.gl.com/newsletter/2-wire-and-4-wire-voiceband-measurements-newsletter.html ]

“GL’s test tools can be configured to simulate 2-wire calls with FXO and FXS ports and 4-wire calls with VF ports to provide various voiceband measurements. The voiceband measurement tests supported are - Voice Quality Test (VQT) using PESQ or POLQA algorithms, Signal-to-Noise Ratio and Level, Three Tone Slope (Gain Slope), C Notch Noise, 1004 Hz Net Loss, Attenuation Distortion, Intermodulation Distortion, and Impulse Noise,” said Vijay Kulkarni, CEO of GL Communications.

Important Features

  • Perform voiceband measurement tests for Central Office, PBX, Gateway, Analog/Digital/VoIP Networks
  • Manual and automated bulk analog call simulation
  • Call monitoring and call recording
  • Multiple users and tests per system
  • Up to 96 independent FXO ports per MAPS™ APS system
  • Fully automated and remotely accessible with Remote MAPS™ client
  • APIs for Python and Java

About GL Communications

GL Communications is a global provider of telecom test and measurement solutions. GL’s solutions are used to verify quality and reliability of Wireless (4G LTE, 3G, 2G), SONET/SDH, Ethernet/IP, TDM, and PSTN networks.


Shelley Sharma 
Phone: 301-670-4784 
E-mail: info@gl.com

Media Contact:pressrelease@gl.com