0 + (7 or 10 digits)
A feature of the North American Numbering Plan that identifies customer dialed calls that are operator assisted, either by electronic or manual (human) means. [After T1.401-1988]
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A feature of the North American Numbering Plan that identifies customer dialed calls that are operator assisted, either by electronic or manual (human) means. [After T1.401-1988]
Abbreviation for zero transmission level point.
10/100 Mbps baseband twisted-pair (Ethernet)
In telephony, a noise weighting used in a noise measuring set to measure line noise as it would be perceived if the line were terminated with a No.144-receiver, or a similar instrument.
Note: The meter scale readings are in dBrn (144-line).
In telephony, a noise weighting used in a noise measuring set to measure noise across the receiver of an instrument equipped with a No.144-receiver.
Note: The meter scale readings are in dBrn (144-receiver).
Single Carrier Radio Transmission Technology.
2.5nd Generation Wireless
2nd Generation
3rd Generation
3rd Generation Partnership Project
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