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).
Is often met in business practice, during calls to organizations at the moment, when the call is transferred to another number or is set on hold, one hears a music in the telephone dynamics.
Avop Direct
Advanced Voice Order Processing System (AVOP) is a wholly owned subsidiary of Nettel Holdings, Inc. By joining AVOP Direct, carriers and service providers will be able to avoid the time and expense of negotiating and managing one-time agreements with othe
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