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).
Polycom VVX 1500 is a modern multifunctional media device, designed to effectively address business challenges: meetings, conferences or business meetings, control of work, virtual interview or project, just to list some of its possibilities.
Telphin
Telphin is an Internet (VoIP) Phone Service Provider. We provide high quality and low price telecommunications for local, long-distance, and international calling! Telphin offers unlimited calling plans for an inexpensive monthly payment. All clients conn
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