56
C
HAPTER
2: D
IAL
P
LAN
Table 8 lists typical extension ranges in a 3-digit and a 4-digit dial plan.
Table 9 describes these ranges in more detail and gives the default ranges
and values for 3-digit and 4-digit dial plans.
Table 8
Typical Extension Ranges for 3-digit and 4-digit Dial Plans
Extension Type
3-digit (See Notes 1 and 2)
4-digit (See Notes 1 and 2)
Telephones
NBX 100:
100–449
SuperStack 3 NBX:
1000–3999
Auto Attendant
500–599
500, 501, plus 5500–5599
Hunt Group
NBX 100:
450–499
(maximum of 30 groups)
SuperStack 3 NBX:
4000–4099
External Extensions
(includes line card
ports and Call Park)
600–799
(external Auto Discovery
starts at 750)
6000–7999
(external Auto Discovery
starts at 7250)
Call Park (must fall
within External
Extension range)
NBX 100:
601–609
SuperStack 3 NBX:
6000–6099
Note 1:
The NBX 100 is shipped with a factory default 3-digit dial plan. If you import
any 4-digit plan, you must manually specify any 4-digit extension ranges that are not
set by the imported plan. You must also manually change any device extensions so
that they fall within the appropriate range.
Note 2:
The Superstack 3 NBX is shipped with a 4-digit dial plan. If you import any
3-digit plan, you must manually specify any 3-digit extension ranges that are not set
by the imported plan. You must also manually change any device extensions so that
they fall within the appropriate range.
Summary of Contents for NBX 100
Page 14: ......
Page 18: ...18 ABOUT THIS GUIDE ...
Page 26: ...26 CHAPTER 1 INTRODUCTION ...
Page 138: ...138 CHAPTER 2 DIAL PLAN ...
Page 322: ...322 CHAPTER 3 DEVICE CONFIGURATION ...
Page 328: ...328 CHAPTER 4 USER CONFIGURATION ...
Page 412: ...412 CHAPTER 10 TROUBLESHOOTING ...
Page 458: ...458 APPENDIX B ISDN COMPLETION CAUSE CODES ...
Page 480: ...480 GLOSSARY ...
Page 492: ...492 INDEX ...