| |
 |
4400
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4400D
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4406D+
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4412D+
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4424D+
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4424LD+
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |
4450
Large Business Systems 20-15,000
telephones 99.9%
Reliability Superior
Operating System |
 |
|
|
 |