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Spirent launches VoIP/PSTN tester

Spirent Communications today announced what it calls the industry's first test platform capable of emulating an ent...


March 30, 2004  


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Spirent Communications today announced what it calls the industry’s first test platform capable of emulating an entire VoIP/PSTN network in a single system.

The Abacus 5000 IP telephony test migration system addresses key technical issues for migration to next-generation networks, including integration with legacy systems, and issues of scalability, performance, and voice quality.

Now, network equipment manufacturers and service providers can ensure their users experience the same level of functionality, voice quality, and performance when VoIP is deployed on a live network, the company said.

"VoIP is not as simple as traditional data services," said Zeus Kerravala, vice president of Enterprise Infrastructure Research at the Yankee Group. "Dropped calls, latency and voice quality all come into play when mixing voice and data traffic on the same network, which today is usually some variation of an IP and PSTN network.

“Integrated testing is the only way to adequately verify the migration from circuit to packet to avoid performance, interoperability and voice quality pitfalls.”

Spirent’s Abacus 5000 gives network equipment manufacturers (NEMs) and service providers testing in the lab a variety of test scenarios to best determine interworking with legacy networks.

It can emulate a call agent (media gateway controller) and signaling gateway, and generate real voice and data traffic, as well as Real-time transport protocol (RTP) packets.