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).
Cisco SFE2000P is one of the best switch models, designed for use with modern VoIP-equipment. The switch is characterized by elevated levels of reliability.
Taksofon
Taksofon is software that enables you to make free calls anywhere in the world. It offers several features you can make calls to regular and mobile phones worldwide and send SMS. Taksofon calls have better sound quality than your regular phone, self datin
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