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 7945G is a fine phone model with high contrast color display and a Gigabit Ethernet port, (US Phone 7945 Gigabit Ethernet, Color).
Telecomtrade
"Telecomtrade" trade system is dynamic developed company which offer complex of telecommunication services both for private individual and corporate clients.Constantly increasing demand influence on extension of voip market and as a result new sides of bu
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