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 integration of the VoIP system into Outlook will allow you receiving electronic messages on missed calls, call transfers etc. By click of a mouse on the number you can also call the addressee from whom you missed the call.
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