What is NI2?
Information About Technology
Core Definition
NI2 (National ISDN 2) is a telecommunications standard that defines how a Primary Rate Interface (PRI) connects to the ISDN (Integrated Services Digital Network). It enables the transmission of voice, data, and other services over a dedicated digital line. NI2 typically offers 23 voice/data channels and one signaling channel.
Benefit Definition
NI2 offers businesses a reliable and efficient way to manage their communications needs. It allows for more simultaneous calls than traditional phone lines, provides a faster connection, and supports features like caller ID and direct inward dialing. Businesses with high call volumes or a need for advanced communication features find NI2 particularly beneficial.
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Technical Definition
NI2 is a North American telecommunications standard used within the ISDN protocol suite. It defines the physical and data link layer interface between a customer’s equipment (such as a PBX) and an ISDN network’s digital switch. NI2 specifies a 1.544 Mbps Primary Rate Interface (PRI) containing 23 bearer channels (B channels) for voice or data at 64 Kbps each and one signaling channel (D channel) at 64 Kbps.
