Lucent Technologies 8403 manual How to Use the Feature Directory

Models: 8403

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How to Use the Feature Directory

The Feature Directory, shown in Figure 3, provides a convenient quick reference list for 12 features.

Press Feature then

dialpad button.

F1 F 2 F 3 F 4 F 5

F6

a

 

F 7

 

F 8

 

F 9

 

F *

 

F 0

 

F #

b

 

c

 

 

 

 

Figure 3. The 8403 Feature Directory

If the entries for any of the Feature Directory positions are blank, your system manager may assign features to them. You can access these features by pressing Feature and then the

corresponding entry number, 1 through 9, or 0, or character,

*or #, on the dial pad.

For example, if the Send All Calls feature is assigned to F1, you would press Feature , then dial

1in order to use this feature. If you have programmed your home number on an Abbreviated Dialing button assigned to F*, you would press Feature and then press the * key on your dial pad whenever you want to use this AD button.

The red light next to Feature goes on steadily when the button is pressed in order to let you know that your dial pad is now in the Feature selection mode.

Most likely, the Feature Directory on your voice terminal has already been completed for you. However, if there are changes in feature assignments, you can remove the old Feature Directory card from behind the plastic cover, and write (or type) the new feature assignments on the blank Feature Directory located under the current one. For your convenience, the lines on the Feature Directory are spaced for typing.

Note: You are not limited to the 12 features shown on your Feature Directory. All other features available with your DEFINITY switch, the DEFINITY ECS, or with System 75 can be accessed by simply dialing a 1-, 2-, or 3-digit feature access code, without using Feature . Your system manager can supply those access codes for you.

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Lucent Technologies 8403 manual How to Use the Feature Directory

8403 specifications

Lucent Technologies 8403 is a significant telecommunications switch that was primarily utilized in the late 1990s and early 2000s. It played a crucial role in the evolution of telecommunication systems, reflecting the rapid advancements in technology during that period. The 8403, part of the Lucent 8400 series, was known for integrating various features and capabilities that were vital for modern telecommunication networks.

One of the standout features of the Lucent 8403 was its advanced switching technology. Utilizing time division switching and digital signal processing, the device was capable of handling a large volume of calls simultaneously while maintaining high-quality voice transmission. This technology enabled efficient routing of calls and minimized the risk of dropped connections, which was a concern in earlier analog systems.

Another significant characteristic of the Lucent 8403 was its support for a wide range of telecommunications protocols. The switch was designed to facilitate both traditional telephone services and emerging digital services, including ISDN and Frame Relay. By accommodating both circuit-switched and packet-switched networks, the 8403 provided flexibility that major telecommunication providers demanded during that transition period.

The 8403 also featured enhanced signaling options, such as Common Channel Signaling System No. 7 (CCSS7), which allowed for improved call setup, control, and management. This feature significantly reduced the time it took to establish a call, thereby improving overall network efficiency.

Scalability was another key characteristic of the Lucent 8403. As telecommunication needs grew, service providers could expand their systems by integrating additional hardware and modules without requiring a complete overhaul of the existing infrastructure. This adaptability was crucial as demand for services fluctuated and as new technologies emerged.

Moreover, the switch was designed with reliability and redundancy features in mind. Its architecture included failover mechanisms that ensured continued operation even in the event of hardware failures. This reliability was essential for operators that required uninterrupted service delivery.

Lastly, the user-friendly interface of the Lucent 8403 provided simplified management and monitoring capabilities. System administrators could easily access performance metrics, troubleshoot issues, and manage configurations, facilitating more efficient maintenance and operations.

In conclusion, the Lucent Technologies 8403 played a transformative role in telecommunications infrastructure during its era. Its blend of advanced switching technology, protocol support, scalability, reliability, and user-friendly management tools made it a foundational component in the evolution of modern telecom networks. As a result, it served as a significant stepping stone toward the complex, integrated systems we see today.