AT&T 5ESS Switch To order ISDN service for an AT&T 5ESS switch, provide the telephone company with the information in Table
Table A-1 Ordering ISDN Service for an AT&T 5ESS Switch
Required Information | Specification |
Line type
Line code
Interface type
Maximum terminals (MAXTERM) Maximum B channels (MAXB CHNL) Actual user
Display
Voice or data
Call appearance
National ISDN 1 line 2B1Q (2B+D)
S/T interface with NT1 and
Yes 2 Any
2 Data Idle
DN (directory number) must be set as follows:
Parameter | Setting |
B1 | |
B2 | |
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 |
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