74 APPENDIX A: PROVISIONING YOUR ISDN LINE
AT&T 5ESS Switch
To order ISDN service for an AT&T 5ESS switch, provide the telephone
company with the information in Table 21.
Table 21 Ordering ISDN Service for an AT&T 5ESS Switch
Required Information Specification
Line type National ISDN 1 line
Line code 2B1Q (2B+D)
Interface type S/T interface with NT1 (model 43x) or
U interface (model 44x) and RJ-45 jack
Maximum terminals (MAXTERM) 1
Maximum B channels (MAXB CHNL) 2
Actual user Yes
Circuit-switched data 2
Circuit-switched data channel Any
Terminal type A-Basic or E-Type (data only) Terminal
Display No
Circuit-switched data limit 2
Voice or data Data
Call appearance Idle
DN (directory number) must be set as follows:
Parameter Setting
B1 Circuit-switched data
B2 Circuit-switched data
D Signaling only
MAXTERM 1
MAXB CHNL 2
ACT USR Y
CSD 2
CSD CHL Any
TERMTYP TYPEA or TYPEE
Display No
CSD Limit 2
CA PREF 1
HWBook Page 74 Friday, June 19, 1998 3:42 PM
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