ISDN Features

Primary Rate Interface (PRI), Answering Calls

Programming (Cont’d)

22-02-01 : Incoming Call Trunk Setup

Use this option to set the service type for PRI trunks using. Enter 0 (for normal operation) or 3 (to have the PRI trunk use the DID tables and route on the last three digits a caller dials). There is one item for each Night Service Mode.

Default Setting: All trunk service types set for normal (0).

22-03-01 : Trunk Ring Tone Range

Assign Ring Tone Ranges to trunks. Customize the tones within each Ring Tone Range in Program 82-

01.Trunks ring extensions according to the Ring Tone Range selected in 22-03 and the user settings made with Service Code 820. You may want your ISDN trunks to ring with a unique ring tone.

Default Setting: Pattern 0.

22-04-01 : Incoming Extension Ring Group Assignment

To have PRI trunks ring extensions, use this program to assign extensions (up to 32 max.) to Ring Groups (1-100). You must also assign the PRI trunks to the Ring Groups in Program 22-05 below. See How the Telco Handles PRI Trunks on page 12 for more.

Default Setting: All extensions are in Ring Group 1.

22-05-01 : Incoming Trunk Ring Group Assignment

To have PRI trunks ring extensions, assign trunks to Ring Groups (Ring Groups =1-100, 102 = In-Skin/ External Voice Mail, 103 = Centralized Voice Mail). Normally, you should assign a trunk on a PRI PCB to the same Ring Group. You must also assign extensions to Ring Groups in Program 22-04-01 above. See How the Telco Handles PRI Trunks on page 12 for more.

Default Setting: All trunks are in Ring Group 1.

22-06-01 : Normal Incoming Ring Mode

For each extension in the Ring Group assigned in 22-04-01, indicate if trunks should ring (1) or not ring (0).

Default Setting: All extensions ring.

22-08-01 : DIL/IRG No Answer Destination

If an incoming PRI trunk call rings longer than the DIL No Answer Time (Program 22-01-04), it routes to the Ring Group you specify in this option (Ring Groups=1-100, In-Skin/External Voice Mail = 102, Cen- tralized Voice Mail = 103).

Default Setting: Calls reroute to Ring Group 1 based on the timer in Program 22-01-04.

22-11-01 : DID Translation Table Number Conversion Specify for each Translation Table entry (2000):

The digits received by the system (eight max.)

The extension the system dials after translation (24 digits max.)

The name that should show on the dialed extension’s display when it rings (twelve charac- ters max.)

The Transfer Target-1 and 2

If the Transfer Targets are busy or receive no answer, those calls are transferred to the final transfer destination (Program 22-10).

Operation mode

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Aspire ISDN PRI Manual

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NEC ISDN-PRI manual Incoming Call Trunk Setup, Trunk Ring Tone Range, Incoming Extension Ring Group Assignment

ISDN-PRI specifications

NEC ISDN-PRI (Integrated Services Digital Network - Primary Rate Interface) is a telecommunication standard that provides high-capacity voice and data transmission over digital networks. Offering exceptional reliability, ISDN-PRI has become a crucial component for businesses seeking robust communication solutions. One of the standout features of NEC ISDN-PRI is its ability to support 23 voice channels, each capable of delivering clear and high-quality audio simultaneously. In addition to voice channels, ISDN-PRI can also handle one data channel, facilitating data transmission at speeds of up to 2.048 Mbps.

A significant characteristic of ISDN-PRI is its digital nature, allowing for efficient use of bandwidth and minimizing issues common in analog systems, such as signal degradation and noise. This technology leverages time-division multiplexing (TDM), which enables multiple voice signals to occupy a single transmission medium without interference. Each channel is allocated a specific time slot, ensuring a seamless communication experience.

NEC ISDN-PRI is also known for its features such as call setup and teardown capabilities. Utilizing the D channel, ISDN-PRI can establish and terminate calls quickly, enhancing overall call management and enabling businesses to handle high volumes of concurrent calls efficiently. Moreover, businesses can benefit from supplementary services, including caller ID, call forwarding, and call waiting, which enhance operational efficiency and customer service.

Security is another critical aspect of NEC ISDN-PRI. The technology includes features like encryption and secure access protocols, ensuring that sensitive data remains protected during transmission. These security measures are vital for businesses dealing with confidential information and seeking to comply with industry regulations.

Furthermore, ISDN-PRI is highly compatible with various telecommunication infrastructures, making it a versatile choice for organizations looking to upgrade or integrate their existing systems. The ability to connect to PBX systems and support multiple protocols adds to its appeal, providing businesses with scalability and flexibility as their communication needs evolve.

In summary, NEC ISDN-PRI stands out as a reliable and efficient communication solution. With its support for multiple voice channels, high data transmission rates, robust security features, and compatibility with various systems, ISDN-PRI is well-suited for modern business environments seeking to enhance their communication capabilities and improve overall operational efficiency.