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).

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Video on Hold

The function similar to “Call on Hold”, but in this case it is used during the video conference, by pressing the button, the video conference puts on hold mode.

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