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 6961 IP phone model is the final in its family line is mostly used by management and clerks, the model support voice and video communications (Cisco UC Phone 6961, Standard Handset)
Zamir Telecom Limited
Zamir Telecom is one of Bangladesh`s most promising VOIP solutions provider of the present time. Zamir Telecom Ltd is the only VOIP termination provider to make way in Telehouse Europe Data centre at North Tower Docklands London UK. With 24/7 expert level
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