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).
The configuration of call queue is set in a way that the agent should pick up and answer the call, because of the forced connection the called party and the caller will be connected automatically. This function is mostly used in call service centers.
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