Pocket Reference Guide

TABLE 5-1(CONT'D)

FEATURE INDEX

Feature Name

Command

Register

Field

Data Demultiplexer

 

100

16

 

c

 

Data Dump/Load

 

100

16

 

d-h

Data Line Security

121 -

129

3

 

d

 

Dictation Trunk

151 -

156

2

 

9

 

 

501

-

580

4

 

b

 

Direct-In lines

121

-

129

8

 

b-e

 

501 -

580

4

 

d- g

Direct Inward Dial

 

100

05

 

g-1

Trunks

 

110

35-37

c -

f

 

121 -

129

8

 

d,e

 

 

185

01 -

14

c,d

 

501

-

580

1

 

e,j

 

 

 

 

4

 

d -

k

 

 

 

 

5

 

b ~ f

 

 

 

 

6

 

b. d- J

 

 

 

 

7

 

b- i

Direct Inward System

121 -

129

2

 

e

 

Access (DISA}

 

193

01

 

b.c,d

 

501 -

580

1

 

e.th,j

 

 

 

 

4

 

h -

k

Direc-t Line Select

401

-

480

 

 

c:

 

Direct Trunk Select

401- 480

 

 

c

 

Discriminating Ringing

 

100

03

 

f

 

Distinctive Callback

 

100

03

 

9

 

Ringing

 

 

 

 

 

 

 

-

 

----- --

-

-

·- __j

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Mitel SX-50 manual 151 156, 129 501 580, 121 129 185, 480
Page 22 Page 24

SX-50 specifications

The Mitel SX-50 is a highly regarded private branch exchange (PBX) system that was widely used in the 1980s and 1990s for its robust features and reliable performance. Designed to meet the communication needs of small to medium-sized businesses, the SX-50 integrates advanced technologies that enhance voice communication and streamline operational efficiency.

One of the key features of the SX-50 is its modular design, allowing businesses to customize the system according to their specific needs. This modularity enables the addition of various line cards and trunk interfaces, accommodating different types of telephone lines such as analog and digital. This flexibility ensures that organizations can scale their communication systems as they grow, making it a cost-effective solution.

The SX-50 employs integrated voice processing capabilities, which include voicemail and automated attendant functions. These features help improve customer engagement by ensuring that calls are directed to the appropriate parties, reducing response times and enhancing service levels. The voicemail system allows users to manage their messages efficiently, with features such as remote access and forwarding.

In terms of technology, the SX-50 utilizes Time Division Multiplexing (TDM) for voice transmission, ensuring high-quality audio and minimized latency during calls. This technology supports traditional telephony, making it compatible with various standard telephone sets, which was often a significant advantage during its peak use. The system was also capable of supporting both local and long-distance calls, making it versatile for different business environments.

The Mitel SX-50 is characterized by its solid reliability and ease of maintenance. The system provides straightforward software updates and troubleshooting, enabling IT personnel to manage and resolve issues with minimal disruption to service. This reliability contributed to its popularity among businesses that depended on consistent communication.

Moreover, the SX-50 features user-friendly interfaces for both administrators and end-users, ensuring that employees can easily navigate the system. Overall, the Mitel SX-50 remains an important piece of telecommunication history, showcasing how traditional PBX systems can effectively serve the communication needs of businesses. Its blend of modular design, integrated features, and reliable performance set a standard for future developments in telephony technology.
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