Chapter 9. Dial Options

1=Hang up line 2=Dial number

 

4=DIAL

 

 

3=Redial last #

 

 

 

 

 

 

 

 

4=Answer Call

 

 

 

 

5=Dial stored #

 

 

 

 

 

6=Store/Review #

Figure 9-2

Dial Menu Tree

Hang Up Line

Terminates current call.

Dial Number

Enter and dial a number from the keypad. If an error is made while entering a number, press the Down arrow to correct the mistake. Press Cancel twice con- secutively to exit this menu item without dialing a number. Press Enter to dial the number and save as stored number 9 for redialing purposes.

Redial Last Number

Redial the last number called (or attempted). This number is saved as stored number 9 from the last attempted phone call.

Answer Call

Selectively answer incoming calls when Auto Answer is configured for dis- able. (Auto Answer is described in the section Auto Answer in Chapter 6.)

Dial Stored Number

Dial one of ten stored phone numbers. The Up and Down arrows permit view- ing and selecting of stored number. Press Enter to dial the number and save as stored number 9 (SN9) for redial purposes.

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ISU 128 User Manual

61202.029L2-1

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ADTRAN ISU 128 user manual Hang Up Line, Dial Number, Redial Last Number, Answer Call, Dial Stored Number

ISU 128 specifications

The ADTRAN ISU 128 is a versatile and robust integrated service unit designed for network access solutions, particularly within telecommunications and enterprise environments. This unit plays a critical role in enabling high-speed data transmission, supporting various voice, video, and data services over traditional and next-generation networks.

One of the noteworthy features of the ADTRAN ISU 128 is its ability to aggregate multiple digital circuits into a single access point. It supports T1, E1, and fractional T1/E1 interfaces, making it a flexible choice for customers with different bandwidth needs. The unit allows for seamless migration from legacy systems to modern broadband services, ensuring that businesses can scale their operations without significant infrastructure changes.

The ADTRAN ISU 128 also excels in its support for various protocols, including Frame Relay and ATM, providing the necessary flexibility to adapt to different network architectures. This adaptability is essential for businesses that rely on diverse communication platforms to maintain connectivity and operational efficiency.

Another significant aspect of the ISU 128 is its built-in features for diagnostics and monitoring. The unit includes comprehensive loopback and performance monitoring capabilities, which enable network administrators to troubleshoot potential issues proactively. This functionality ensures a reliable connection and minimizes downtime, which is critical for maintaining service-level agreements (SLAs).

In terms of user interface, the ADTRAN ISU 128 is designed with ease of use in mind. The unit can be configured and managed through a web-based graphical user interface, allowing for straightforward remote access to settings and performance metrics. This capability facilitates quick adjustments and upgrades, helping to streamline network management tasks.

The ISU 128 is also built with a strong emphasis on reliability and durability. It is housed in a compact, rack-mountable design, making it suitable for various deployment environments. These characteristics, combined with support for redundant power supplies, enhance the unit's reliability in critical operations.

Overall, the ADTRAN ISU 128 stands out as a powerful solution for organizations seeking to optimize their network access. With its advanced features, compatibility with multiple technologies, and emphasis on reliability, the ISU 128 is an ideal choice for those looking to enhance their communication infrastructure in a rapidly evolving digital landscape.