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CHAPTER 5 NDA-24305
Page 152
Revision 1.0
TANDEM SWITCHING OF TIE TRUNKS-2/4-WIRE-PRI
STEP 6: ARRC - Assign to the system trunk-to-trunk connection. Use Alternative Route Index (ARI) D for
Direct Connection. Three possible Restrictions (RES) may be assigned; data “0”,
Connection is Restricted; data “1”, Connection is Allowed; or data “2”, Toll Restriction is
required. For TANDEM SWITCHING OF TIE TRUNKS-2/4 WIRE, TOLL
RESTRICTION is not required.
STEP 7: APAD - Assign any Pad data that may be required for desired quality of service. (Optional, see TIE
LINE CONNECTION WITH PAD CONTROL [T-5]).
Note:
In the network including CCIS No.7, assign data CDN98 (CI)=1 (of the ARTD command) to all speech
routes of CCIS No.7 network.
Refer to [T-44] TRANSFER MESSAGE (TRM).