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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Origination and Termination Services

Call Origination is the collecting of the call started by a calling party on a PSTN, and handing off the call to a VoIP endpoint or to other exchange phone company for completion to a called party Call Termination is a handing off or routing of calls from one Telephone Company to another.

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