UDT T1 DTI Example

Configure the UDT card first
For T1 circuits, move the dip switch the on card (default is E1). TTY into the card
and set it for DTI (default is PRI), ESF, B8ZS. T1 DTI circuits do not have a DCH.

1DTI Loop configuration: (if not already defined). Common Equipment, change in LD 17, print in LD 22.

REQ   CHG          Change existing data
TYPE  CEQU         Common Equipment
CEQU  YES          Changes to Common Equipment

DLOP    xx         The DTI digital loop number
MG_CARD l s c      The physical card slot for the DTI loop in the media gateway (IPMG)

MODE  TRK          Mode of operation
TMDI  NO           Must be configured as NO

Print the CEQU in LD 22 to see which PRI loop is associated with which media gateway card.

Having defined the loop, continue with circuit programming...

2The Route: Route Data Block, build in LD 16, print in LD 21

Note on DSEL: VOD adds a 1 for voice calls and a 2 for data calls to the dialed string, so you may encounter a recording "your call cannot be completed as dialed" with this setting. VCE may prevent fax calls, so use 3VCE for voice and data/fax applications.

TYPE RDB
CUST 00
ROUT 7
DES  IVG
TKTP TIE
M911P NO
ESN  NO
CNVT NO
SAT  NO
RCLS EXT
VTRK NO
DTRK YES
BRIP NO
DGTP DTI
ISDN NO
DSEL VCE     ← if "call cannot be completed as dialed", check this is VCE not VOD
PTYP DTT
CNDP UKWN
AUTO NO
DNIS NO
ICOG IAO
SRCH LIN
TRMB YES
STEP 33
ACOD 88
TARG 01 02 03 04
CLEN 1
BILN NO
OABS
INST
IDC  NO
DCNO 0 *
NDNO 0
DEXT NO
ANTK
SIGO STD
STYP SDAT
TIMR ICF  512
     OGF  512
     EOD  13952
     DSI  34944
     NRD  10112
     DDL  70
     ODT  4096
     RGV  640
     GRD  896
     SFB  3
     IENB  5
     TFD  0
     VSS  0
     VGD  6
SST  5 0
NEDC ETH
FEDC ETH
CPDC NO
DLTN YES
HOLD 02 02 40
SEIZ 02 02
SVFL 02 02
DRNG NO
CDR  NO
VRAT NO
MUS  YES
MRT  21
MANO NO
EQAR NO
FRL  0 0
FRL  1 0
FRL  2 0
FRL  3 0
FRL  4 0
FRL  5 0
FRL  6 0
FRL  7 0
OHQ  NO
OHQT 00
CBQ  NO
AUTH NO
TTBL 0
ATAN NO
OHTD NO
PLEV 2
ALRM NO
ART  0
SGRP 0
ARDN NO
CTBL 0
AACR NO

3Trunks: Trunk Data Block, build in LD 14, print in LD 20

DES  IVG
TN   217 01  VIRTUAL
TYPE TIE
CUST 0
TRK  DTI
PDCA 1
PCML MU
NCOS 0
RTMB 33 1
TGAR 1
SIGL EM4
STRI/STRO WNK WNK
SUPN YES
AST  NO
IAPG 0
CLS  UNR DTN CND ECD WTA LPR APN THFD HKD SPCD
     P10 VNL
TKID
AACR NO

If the circuit establishes, but sounds terrible, try changing the Pulse Code Modulation Law: PCML = MU or A.
MU-law is used in North America and Japan, A-law is used in Europe and the rest of the world.