PictureTel LIVE GATEWAY 3.1 - Manual (Page 22)

Switch Types
In the Switch Type field, click the down arrow to display an expanded list of switch types.
If you choose a switch type that requires additional information, the BRI Configuration screen expands:
Check the following table for your switch type and its default values.
Switch Type
Number
Plan
Number
Type
SPIDs MSNs
AT&T 5ESS Point-to-
Point
Unused Unused NA NA
AT&T 5ESS Multipoint Unused Unused Required NA
National ISDN1 Unused Unused Required NA
DMS 100 Unused Unused Required NA
VN3 Unknown Unknown NA Optional
NTT Unknown Unknown NA Optional