E1/T1

E1/T1

A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).

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Plantronics Calisto P240 USB Handset

Plantronics Calisto P240 USB HandsetThis is a portable USB handset for PC communications, it has noise cancelling microphone, wideband audio and a familiar handset desing.

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United States iBasis

iBasis is a leading carrier of international long distance telephone calls and provider of retail prepaid calling cards sold online and through retail stores throughout the U.S. We provide high quality service for billions of minutes of international call

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