E
E&M (Ear and Mouth)
Is the interface on a VOIP device that allows it to be connected to analog PBX trunk ports (tie lines).
E.164
The international public telecommunication numbering plan. An E.164 number uniquely identifies a public network termination point and typically consists of three fields, CC (country code), NDC (national destination code), and SN (subscriber number), up to 15 digits in total.
E1
A wide-area digital transmission scheme (European): 2,048 Mbits/s; 31 channels, 64 Kbps each.
Endpoint
SIP or H.323 terminal or Gateway. An endpoint can Call and be Called. It generates and terminates the information stream.
Business VoIP
VoIP
for Business
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