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GL Communications Releases APIs for MAPS Protocol Testing

July 25, 2016

GL Communications, a developer of testing and measurement software for communications services such as landline ISDN and mobile GSM, announced this month that it has added an application programming interface (API) to its Message Automation & Protocol Simulation (MAPS) testing application.

This announcement means that MAPS users will now have an avenue for attaching MAPS features to their own testing applications. Users will be able to use the API to test multiple connections and protocols at once while also having their choice of Python or Java to make a connection to GL’s platform. MAPS comes with a set of scripts for those languages (perhaps, soon others) that can be used to begin testing right away. It also supports user-created scripts so it can adapt to operators’ specific testing environments.

Jagdish Vadalia, a senior manager for product development at GL, commented on the development and provided more detail about the API features users can expect.

“The new API allows for programmatic and automated control over all MAPS platforms,” Vadalia said. “Each MAPS server can receive multiple client connections and offer independent execution to each client. Likewise, each client is able to connect to multiple MAPS servers, including servers running different protocols, permitting complex cross-protocol test cases.”

“In addition to existing Tcl and VBS APIs, GL is now offering Python and Java APIs for most variants of MAPS. The new API is written using an object-oriented coding paradigm, designed to give the user simple and intuitive containers for their messages, calls, and regressions,” Vadalia continued.

MAPS is capable of transmitting and detecting various types of signals that would occur through cable or airwaves. It supports voice, video, text messages, dial tones, HTTP, FTP, and many other types of signals that may arrive in a selection of codecs. For example, it supports voice-over-IP protocols like SIP, SIGTRAN, and Diameter.

Most important to the growth of telecommunications companies, it also supports 3G and 4G mobile. It can simulate radio signals sent across LTE and GSM variants so operators can test their networks to make sure everything is in working order.

The biggest advantage for enterprising operators is that they can now create their own testing equipment that will take advantage of the foundation that GL has laid. Telecoms do not need to reinvent the wheel; they only need to attach their own creations to MAPS, which Vadalia also added can find a spot in nearly any testing environment.

“This script-based flexibility makes MAPS an appropriate test tool for almost any testing paradigm, including: functional regression testing, long duration, high volume performance or load testing, protocol conformance testing, negative testing, IVR traversal, interoperability testing, [and] voice quality testing.”

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